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Showing 1 - 200 of 2353 Journals sorted alphabetically
3D Research     Hybrid Journal   (Followers: 19, SJR: 0.214, h-index: 10)
4OR: A Quarterly J. of Operations Research     Hybrid Journal   (Followers: 9, SJR: 1.073, h-index: 25)
AAPS J.     Hybrid Journal   (Followers: 20, SJR: 1.192, h-index: 74)
AAPS PharmSciTech     Hybrid Journal   (Followers: 6, SJR: 0.718, h-index: 54)
Abdominal Imaging     Hybrid Journal   (Followers: 14, SJR: 0.723, h-index: 60)
Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg     Hybrid Journal   (Followers: 2, SJR: 0.447, h-index: 12)
Academic Psychiatry     Full-text available via subscription   (Followers: 22, SJR: 0.492, h-index: 32)
Academic Questions     Hybrid Journal   (Followers: 7, SJR: 0.135, h-index: 6)
Accreditation and Quality Assurance: J. for Quality, Comparability and Reliability in Chemical Measurement     Hybrid Journal   (Followers: 26, SJR: 0.378, h-index: 30)
Acoustical Physics     Hybrid Journal   (Followers: 11, SJR: 0.355, h-index: 20)
Acoustics Australia     Hybrid Journal  
Acta Analytica     Hybrid Journal   (Followers: 7, SJR: 0.387, h-index: 6)
Acta Applicandae Mathematicae     Hybrid Journal   (Followers: 1, SJR: 0.624, h-index: 34)
Acta Biotheoretica     Hybrid Journal   (Followers: 5, SJR: 0.419, h-index: 25)
Acta Diabetologica     Hybrid Journal   (Followers: 14, SJR: 1.318, h-index: 46)
Acta Endoscopica     Hybrid Journal   (Followers: 1, SJR: 0.113, h-index: 8)
acta ethologica     Hybrid Journal   (Followers: 4, SJR: 0.465, h-index: 23)
Acta Geochimica     Hybrid Journal   (Followers: 4)
Acta Geodaetica et Geophysica     Hybrid Journal   (Followers: 1, SJR: 0.294, h-index: 13)
Acta Geotechnica     Hybrid Journal   (Followers: 7, SJR: 1.818, h-index: 22)
Acta Informatica     Hybrid Journal   (Followers: 5, SJR: 0.524, h-index: 32)
Acta Mathematica     Hybrid Journal   (Followers: 11, SJR: 8.021, h-index: 47)
Acta Mathematica Hungarica     Hybrid Journal   (Followers: 2, SJR: 0.53, h-index: 29)
Acta Mathematica Sinica, English Series     Hybrid Journal   (Followers: 5, SJR: 0.406, h-index: 30)
Acta Mathematica Vietnamica     Hybrid Journal   (SJR: 0.451, h-index: 5)
Acta Mathematicae Applicatae Sinica, English Series     Hybrid Journal   (SJR: 0.22, h-index: 20)
Acta Mechanica     Hybrid Journal   (Followers: 19, SJR: 0.898, h-index: 52)
Acta Mechanica Sinica     Hybrid Journal   (Followers: 5, SJR: 0.426, h-index: 29)
Acta Metallurgica Sinica (English Letters)     Hybrid Journal   (Followers: 5, SJR: 0.525, h-index: 18)
Acta Meteorologica Sinica     Hybrid Journal   (Followers: 3, SJR: 0.524, h-index: 14)
Acta Neurochirurgica     Hybrid Journal   (Followers: 6, SJR: 0.833, h-index: 73)
Acta Neurologica Belgica     Hybrid Journal   (SJR: 0.348, h-index: 27)
Acta Neuropathologica     Hybrid Journal   (Followers: 5, SJR: 6.61, h-index: 117)
Acta Oceanologica Sinica     Hybrid Journal   (Followers: 3, SJR: 0.295, h-index: 17)
Acta Parasitologica     Hybrid Journal   (Followers: 9, SJR: 0.581, h-index: 28)
Acta Physiologiae Plantarum     Hybrid Journal   (Followers: 2, SJR: 0.551, h-index: 39)
Acta Politica     Hybrid Journal   (Followers: 13, SJR: 0.658, h-index: 20)
Activitas Nervosa Superior     Hybrid Journal  
adhäsion KLEBEN & DICHTEN     Hybrid Journal   (Followers: 5, SJR: 0.103, h-index: 4)
ADHD Attention Deficit and Hyperactivity Disorders     Hybrid Journal   (Followers: 20, SJR: 0.871, h-index: 15)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 7)
Administration and Policy in Mental Health and Mental Health Services Research     Partially Free   (Followers: 15, SJR: 0.795, h-index: 40)
Adsorption     Hybrid Journal   (Followers: 4, SJR: 0.774, h-index: 52)
Advances in Applied Clifford Algebras     Hybrid Journal   (Followers: 3, SJR: 0.319, h-index: 15)
Advances in Atmospheric Sciences     Hybrid Journal   (Followers: 34, SJR: 0.959, h-index: 44)
Advances in Computational Mathematics     Hybrid Journal   (Followers: 15, SJR: 1.255, h-index: 44)
Advances in Contraception     Hybrid Journal   (Followers: 3)
Advances in Data Analysis and Classification     Hybrid Journal   (Followers: 54, SJR: 1.113, h-index: 14)
Advances in Gerontology     Partially Free   (Followers: 9, SJR: 0.141, h-index: 3)
Advances in Health Sciences Education     Hybrid Journal   (Followers: 22, SJR: 1.397, h-index: 42)
Advances in Manufacturing     Hybrid Journal   (Followers: 3, SJR: 0.2, h-index: 4)
Advances in Polymer Science     Hybrid Journal   (Followers: 41, SJR: 0.637, h-index: 89)
Advances in Therapy     Hybrid Journal   (Followers: 5, SJR: 0.79, h-index: 44)
Aegean Review of the Law of the Sea and Maritime Law     Hybrid Journal   (Followers: 7)
Aequationes Mathematicae     Hybrid Journal   (Followers: 2, SJR: 0.882, h-index: 23)
Aerobiologia     Hybrid Journal   (Followers: 1, SJR: 0.511, h-index: 36)
Aesthetic Plastic Surgery     Hybrid Journal   (Followers: 9, SJR: 0.821, h-index: 49)
African Archaeological Review     Hybrid Journal   (Followers: 15, SJR: 0.612, h-index: 24)
Afrika Matematika     Hybrid Journal   (Followers: 1, SJR: 0.248, h-index: 6)
AGE     Hybrid Journal   (Followers: 7, SJR: 1.358, h-index: 33)
Ageing Intl.     Hybrid Journal   (Followers: 7, SJR: 0.337, h-index: 10)
Aggiornamenti CIO     Hybrid Journal   (Followers: 1)
Aging Clinical and Experimental Research     Hybrid Journal   (Followers: 3, SJR: 0.529, h-index: 55)
Agricultural Research     Hybrid Journal   (Followers: 3)
Agriculture and Human Values     Hybrid Journal   (Followers: 12, SJR: 1.197, h-index: 49)
Agroforestry Systems     Hybrid Journal   (Followers: 20, SJR: 0.64, h-index: 56)
Agronomy for Sustainable Development     Hybrid Journal   (Followers: 10, SJR: 1.732, h-index: 59)
AI & Society     Hybrid Journal   (Followers: 7, SJR: 0.171, h-index: 19)
AIDS and Behavior     Hybrid Journal   (Followers: 13, SJR: 2.006, h-index: 71)
Air Quality, Atmosphere & Health     Hybrid Journal   (Followers: 3, SJR: 0.706, h-index: 19)
Akupunktur & Aurikulomedizin     Full-text available via subscription   (Followers: 1)
Algebra and Logic     Hybrid Journal   (Followers: 3, SJR: 0.566, h-index: 18)
Algebra Universalis     Hybrid Journal   (Followers: 2, SJR: 0.388, h-index: 22)
Algebras and Representation Theory     Hybrid Journal   (Followers: 1, SJR: 0.868, h-index: 20)
Algorithmica     Hybrid Journal   (Followers: 7, SJR: 0.898, h-index: 56)
Allergo J.     Full-text available via subscription   (Followers: 1, SJR: 0.183, h-index: 20)
Allergo J. Intl.     Hybrid Journal   (Followers: 2)
Alpine Botany     Hybrid Journal   (Followers: 4, SJR: 0.729, h-index: 20)
ALTEX : Alternatives to Animal Experimentation     Open Access   (Followers: 3, SJR: 1.392, h-index: 32)
AMBIO     Hybrid Journal   (Followers: 15, SJR: 1.094, h-index: 87)
American J. of Cardiovascular Drugs     Hybrid Journal   (Followers: 13, SJR: 0.864, h-index: 39)
American J. of Community Psychology     Hybrid Journal   (Followers: 23, SJR: 1.237, h-index: 83)
American J. of Criminal Justice     Hybrid Journal   (Followers: 6, SJR: 0.634, h-index: 13)
American J. of Cultural Sociology     Hybrid Journal   (Followers: 11, SJR: 0.283, h-index: 3)
American J. of Dance Therapy     Hybrid Journal   (Followers: 4, SJR: 0.175, h-index: 13)
American J. of Potato Research     Hybrid Journal   (Followers: 2, SJR: 0.558, h-index: 35)
American J. of Psychoanalysis     Hybrid Journal   (Followers: 21, SJR: 0.293, h-index: 13)
American Sociologist     Hybrid Journal   (Followers: 12, SJR: 0.18, h-index: 13)
Amino Acids     Hybrid Journal   (Followers: 8, SJR: 1.362, h-index: 83)
AMS Review     Partially Free   (Followers: 4)
Analog Integrated Circuits and Signal Processing     Hybrid Journal   (Followers: 5, SJR: 0.21, h-index: 37)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 3, SJR: 0.665, h-index: 7)
Analysis in Theory and Applications     Hybrid Journal   (Followers: 1)
Analysis of Verbal Behavior     Hybrid Journal   (Followers: 5)
Analytical and Bioanalytical Chemistry     Hybrid Journal   (Followers: 28, SJR: 1.096, h-index: 123)
Anatomical Science Intl.     Hybrid Journal   (Followers: 2, SJR: 0.301, h-index: 26)
Angewandte Schmerztherapie und Palliativmedizin     Hybrid Journal  
Angiogenesis     Hybrid Journal   (Followers: 3, SJR: 2.212, h-index: 69)
Animal Cognition     Hybrid Journal   (Followers: 16, SJR: 1.122, h-index: 55)
Annales françaises de médecine d'urgence     Hybrid Journal   (Followers: 1, SJR: 0.156, h-index: 4)
Annales Henri Poincaré     Hybrid Journal   (Followers: 3, SJR: 1.377, h-index: 32)
Annales mathématiques du Québec     Hybrid Journal   (Followers: 4)
Annali dell'Universita di Ferrara     Hybrid Journal   (SJR: 0.504, h-index: 14)
Annali di Matematica Pura ed Applicata     Hybrid Journal   (Followers: 1, SJR: 1.167, h-index: 26)
Annals of Behavioral Medicine     Hybrid Journal   (Followers: 11, SJR: 2.112, h-index: 98)
Annals of Biomedical Engineering     Hybrid Journal   (Followers: 18, SJR: 1.182, h-index: 94)
Annals of Combinatorics     Hybrid Journal   (Followers: 3, SJR: 0.849, h-index: 15)
Annals of Data Science     Hybrid Journal   (Followers: 9)
Annals of Dyslexia     Hybrid Journal   (Followers: 9, SJR: 0.857, h-index: 40)
Annals of Finance     Hybrid Journal   (Followers: 28, SJR: 0.686, h-index: 14)
Annals of Forest Science     Hybrid Journal   (Followers: 4, SJR: 0.929, h-index: 57)
Annals of Global Analysis and Geometry     Hybrid Journal   (Followers: 1, SJR: 1.136, h-index: 23)
Annals of Hematology     Hybrid Journal   (Followers: 14, SJR: 1.117, h-index: 62)
Annals of Mathematics and Artificial Intelligence     Hybrid Journal   (Followers: 6, SJR: 0.593, h-index: 42)
Annals of Microbiology     Hybrid Journal   (Followers: 10, SJR: 0.402, h-index: 26)
Annals of Nuclear Medicine     Hybrid Journal   (Followers: 5, SJR: 0.68, h-index: 45)
Annals of Operations Research     Hybrid Journal   (Followers: 8, SJR: 1.186, h-index: 78)
Annals of Ophthalmology     Hybrid Journal   (Followers: 10)
Annals of Regional Science     Hybrid Journal   (Followers: 7, SJR: 0.405, h-index: 42)
Annals of Software Engineering     Hybrid Journal   (Followers: 12)
Annals of Solid and Structural Mechanics     Hybrid Journal   (Followers: 10, SJR: 0.553, h-index: 8)
Annals of Surgical Oncology     Hybrid Journal   (Followers: 13, SJR: 1.902, h-index: 127)
Annals of Telecommunications     Hybrid Journal   (Followers: 7, SJR: 0.315, h-index: 25)
Annals of the Institute of Statistical Mathematics     Hybrid Journal   (Followers: 1, SJR: 0.931, h-index: 31)
Antonie van Leeuwenhoek     Hybrid Journal   (Followers: 5, SJR: 0.992, h-index: 87)
Apidologie     Hybrid Journal   (Followers: 4, SJR: 1.14, h-index: 57)
APOPTOSIS     Hybrid Journal   (Followers: 8, SJR: 1.554, h-index: 87)
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 2, SJR: 0.354, h-index: 27)
Applications of Mathematics     Hybrid Journal   (Followers: 1, SJR: 0.274, h-index: 20)
Applied Biochemistry and Biotechnology     Hybrid Journal   (Followers: 44, SJR: 0.575, h-index: 80)
Applied Biochemistry and Microbiology     Hybrid Journal   (Followers: 17, SJR: 0.267, h-index: 26)
Applied Cancer Research     Open Access  
Applied Categorical Structures     Hybrid Journal   (Followers: 2, SJR: 0.361, h-index: 21)
Applied Composite Materials     Hybrid Journal   (Followers: 48, SJR: 0.705, h-index: 35)
Applied Entomology and Zoology     Partially Free   (Followers: 2, SJR: 0.554, h-index: 34)
Applied Geomatics     Hybrid Journal   (Followers: 3, SJR: 0.323, h-index: 9)
Applied Geophysics     Hybrid Journal   (Followers: 8, SJR: 0.541, h-index: 13)
Applied Intelligence     Hybrid Journal   (Followers: 12, SJR: 0.777, h-index: 43)
Applied Magnetic Resonance     Hybrid Journal   (Followers: 4, SJR: 0.358, h-index: 34)
Applied Mathematics & Optimization     Hybrid Journal   (Followers: 4, SJR: 0.955, h-index: 33)
Applied Mathematics - A J. of Chinese Universities     Hybrid Journal   (SJR: 0.275, h-index: 8)
Applied Mathematics and Mechanics     Hybrid Journal   (Followers: 4, SJR: 0.37, h-index: 26)
Applied Microbiology and Biotechnology     Hybrid Journal   (Followers: 62, SJR: 1.262, h-index: 161)
Applied Physics A     Hybrid Journal   (Followers: 7, SJR: 0.535, h-index: 121)
Applied Physics B: Lasers and Optics     Hybrid Journal   (Followers: 23, SJR: 0.983, h-index: 104)
Applied Psychophysiology and Biofeedback     Hybrid Journal   (Followers: 8, SJR: 0.677, h-index: 47)
Applied Research in Quality of Life     Hybrid Journal   (Followers: 10, SJR: 0.288, h-index: 15)
Applied Solar Energy     Hybrid Journal   (Followers: 17, SJR: 0.251, h-index: 6)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 4, SJR: 0.351, h-index: 9)
Aquaculture Intl.     Hybrid Journal   (Followers: 22, SJR: 0.613, h-index: 40)
Aquarium Sciences and Conservation     Hybrid Journal   (Followers: 1)
Aquatic Ecology     Hybrid Journal   (Followers: 30, SJR: 0.646, h-index: 44)
Aquatic Geochemistry     Hybrid Journal   (Followers: 4, SJR: 0.764, h-index: 39)
Aquatic Sciences     Hybrid Journal   (Followers: 12, SJR: 1.172, h-index: 53)
Arabian J. for Science and Engineering     Hybrid Journal   (Followers: 5, SJR: 0.345, h-index: 20)
Arabian J. of Geosciences     Hybrid Journal   (Followers: 1, SJR: 0.417, h-index: 16)
Archaeological and Anthropological Sciences     Hybrid Journal   (Followers: 21, SJR: 1.056, h-index: 15)
Archaeologies     Hybrid Journal   (Followers: 12, SJR: 0.397, h-index: 13)
Archiv der Mathematik     Hybrid Journal   (Followers: 1, SJR: 0.597, h-index: 29)
Archival Science     Hybrid Journal   (Followers: 53, SJR: 0.804, h-index: 22)
Archive for History of Exact Sciences     Hybrid Journal   (Followers: 7, SJR: 0.28, h-index: 15)
Archive for Mathematical Logic     Hybrid Journal   (Followers: 1, SJR: 0.946, h-index: 23)
Archive for Rational Mechanics and Analysis     Hybrid Journal   (SJR: 4.091, h-index: 66)
Archive of Applied Mechanics     Hybrid Journal   (Followers: 4, SJR: 0.865, h-index: 40)
Archives and Museum Informatics     Hybrid Journal   (Followers: 122)
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 4, SJR: 2.841, h-index: 40)
Archives of Dermatological Research     Hybrid Journal   (Followers: 6, SJR: 0.9, h-index: 65)
Archives of Environmental Contamination and Toxicology     Hybrid Journal   (Followers: 10, SJR: 0.846, h-index: 84)
Archives of Gynecology and Obstetrics     Hybrid Journal   (Followers: 17, SJR: 0.695, h-index: 47)
Archives of Microbiology     Hybrid Journal   (Followers: 8, SJR: 0.702, h-index: 85)
Archives of Orthopaedic and Trauma Surgery     Hybrid Journal   (Followers: 8, SJR: 1.039, h-index: 56)
Archives of Osteoporosis     Hybrid Journal   (Followers: 2, SJR: 1.092, h-index: 13)
Archives of Sexual Behavior     Hybrid Journal   (Followers: 9, SJR: 1.198, h-index: 74)
Archives of Toxicology     Hybrid Journal   (Followers: 17, SJR: 1.595, h-index: 76)
Archives of Virology     Hybrid Journal   (Followers: 5, SJR: 1.086, h-index: 90)
Archives of Women's Mental Health     Hybrid Journal   (Followers: 13, SJR: 1.264, h-index: 50)
Archivio di Ortopedia e Reumatologia     Hybrid Journal  
Archivum Immunologiae et Therapiae Experimentalis     Hybrid Journal   (Followers: 2, SJR: 1.2, h-index: 42)
ArgoSpine News & J.     Hybrid Journal   (SJR: 0.102, h-index: 3)
Argumentation     Hybrid Journal   (Followers: 5, SJR: 0.295, h-index: 18)
Arid Ecosystems     Hybrid Journal   (Followers: 3)
Arkiv för Matematik     Hybrid Journal   (Followers: 1, SJR: 0.948, h-index: 22)
Arnold Mathematical J.     Hybrid Journal   (Followers: 1)
Arthropod-Plant Interactions     Hybrid Journal   (Followers: 1, SJR: 0.797, h-index: 17)
Arthroskopie     Hybrid Journal   (Followers: 1, SJR: 0.145, h-index: 8)
Artificial Intelligence and Law     Hybrid Journal   (Followers: 10, SJR: 0.288, h-index: 25)
Artificial Intelligence Review     Hybrid Journal   (Followers: 14, SJR: 0.948, h-index: 48)
Artificial Life and Robotics     Hybrid Journal   (Followers: 8, SJR: 0.231, h-index: 14)
Asia Europe J.     Hybrid Journal   (Followers: 4, SJR: 0.247, h-index: 9)
Asia Pacific Education Review     Hybrid Journal   (Followers: 9, SJR: 0.371, h-index: 17)
Asia Pacific J. of Management     Hybrid Journal   (Followers: 12, SJR: 1.676, h-index: 50)
Asia-Pacific Education Researcher     Hybrid Journal   (Followers: 11, SJR: 0.353, h-index: 13)
Asia-Pacific Financial Markets     Hybrid Journal   (Followers: 2, SJR: 0.19, h-index: 15)
Asia-Pacific J. of Atmospheric Sciences     Hybrid Journal   (Followers: 20, SJR: 1.006, h-index: 14)
Asian Business & Management     Hybrid Journal   (Followers: 7, SJR: 0.41, h-index: 10)
Asian J. of Business Ethics     Hybrid Journal   (Followers: 7)
Asian J. of Criminology     Hybrid Journal   (Followers: 5, SJR: 0.263, h-index: 8)
AStA Advances in Statistical Analysis     Hybrid Journal   (Followers: 2, SJR: 0.681, h-index: 15)
AStA Wirtschafts- und Sozialstatistisches Archiv     Hybrid Journal   (Followers: 5, SJR: 0.195, h-index: 5)
ästhetische dermatologie & kosmetologie     Full-text available via subscription  

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Journal Cover Agricultural Research
  [3 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 2249-720X - ISSN (Online) 2249-7218
   Published by Springer-Verlag Homepage  [2353 journals]
  • A Comprehensive Study of Variation in Selected QPM and Non-QPM Maize
           Inbred Lines
    • Authors: Ankita Sood; Kalpna Thakur; P. N. Sharma; Dorin Gupta; Avinash Singode; Maneet Rana; S. Lata
      Pages: 103 - 113
      Abstract: Abstract To enhance the nutritional value of maize (Zea mays L.), genetic characterization and conversion of common maize into crop enriched with quality protein maize may be beneficial. With the hope of producing a superior maize cultivar, the pattern of relationship among 40 maize inbred lines (QPM and non-QPM) adapted to hills was examined using molecular, biochemical and morphological characteristics. Among the non-QPM set, early maturing lines BAJIM-08-26 and KI-30 were found superior for grain yield, and among QPM set, CML189 line was found superior for high tryptophan content. Phenotypic performance-based clustering using Mahalanobis distance revealed seven clusters. Genotypes were grouped on the basis of flowering and yield traits. Two major clusters were defined, one consisting of all QPM lines and other have all non-QPM lines. This distinction is well observed in the plot generated by principal component analysis. This information may be used in selecting genetically divergent lines for ongoing breeding programs for quality enhancement. The selected QPM line(s) could be used as donor and the well-adapted agronomically superior lines as recurrent parent for conversion of non-QPM to QPM lines.
      PubDate: 2017-06-01
      DOI: 10.1007/s40003-017-0249-7
      Issue No: Vol. 6, No. 2 (2017)
  • Genotypic Variation of Microelements Concentration in Sesame ( Sesamum
           indicum L.) Mini Core Collection
    • Authors: Sarita K. Pandey; Eshita Majumder; Tapash Dasgupta
      Pages: 114 - 121
      Abstract: Abstract Evaluation of germplasm for mineral content and selecting varieties with high quantities of essential minerals and incorporating those varieties in breeding program can assist in developing mineral-efficient crops with higher yield which can accumulate minerals from marginal soil. Sesame an oldest oilseed crop is a popular food with medicinal value although its production is often focussed in marginal and sub-marginal lands. In the present study, 60 sesame genotypes of diverse origin collected from Bangladesh, Bulgaria, India and USA were examined in the acid-digested samples by atomic absorption spectrophotometer for Fe, Zn, Cu, Mn, Cr and Co contents. All elements except Cr were found to be highly variable among genotypes. A significant discrimination showed that elements content in the sesame seeds was a seed coat coloured specific character. High-yielding developed varieties of India contain high Zn but low Fe concentration in seed. The concentration of mineral elements in black-seeded genotypes was significantly higher than those in white seeded. The indigenous collections were found to be a good reservoir of mineral elements. Correlation study among trace elements and yield attributes indicated that though Fe and Zn were not correlated significantly with yield and its components, but the two elements were interrelated. Phenotypic and genotypic coefficient of variability and heritability were high for Fe and Zn. The study suggests that observed large genetic variability for element concentrations in the genotypes provides good prospects to breed improved sesame cultivars with elevated levels of micronutrients to mitigate mineral deficiency.
      PubDate: 2017-06-01
      DOI: 10.1007/s40003-017-0252-z
      Issue No: Vol. 6, No. 2 (2017)
  • Agri–Silvi–Horti Systems for Semiarid Regions of North-West
    • Authors: N. Kaushik; Abha Tikkoo; P. K. Yadav; R. P. S. Deswal; Surender Singh
      Pages: 150 - 158
      Abstract: Abstract Reduction in yield of arable crops under agroforestry in the tropics and subtropics is well known, but information on how different agroforestry systems influence the yield of crops is scanty. All types of agroforestry models may not be useful for all sites, but the old and traditional practices can be manipulated for meeting site-specific needs. Therefore, various agroforestry models (agri–silvi–horti systems) were developed to study their performance under semiarid conditions in north-west India. The experiment was conducted in ten-year-old silvi–horti systems comprising of shisham (Dalbergia sissoo L.) + aonla (Embilica officinalis Gaertn.), shisham (D. sissoo) + guava (Psidium guajava L.), khejri (Prosopis cineraria (L.) Druce) + aonla (E. officinalis) and khejri (P. cineraria) + guava (P. guajava) planted at a spacing of 6 m × 6 m. Three crop sequences, viz. cowpea (Vigna unguiculata (L.) Walp)—wheat (Triticum aestivum L.), clusterbean (Cyamopsis tetragonoloba (L.) Taub)—barley (Hordeum vulgare L.) and pearl millet (Pennisetum americanum (L.) R. Br.)—oat (Avena sativa L.), were intecropped for 2 years. The crops were also grown in open field. The fodder yield of the kharif crops, namely pearl millet, cowpea and cluster bean, was significantly suppressed by different silvi–horti systems during the period of study, and maximum yield was observed in sole cropping. Among different silvi–horti systems, maximum fodder yield of cowpea (10.27 t/ha) and clusterbean (5.67 t/ha) was recorded under khejri + guava, whereas pearl millet fodder yield (18.93 t/ha) was maximum in khejri + aonla silvi–horti system. Minimum fodder yield (3.47 t/ha) was recorded in clusterbean under shisham + guava, whereas maximum fodder yield (29.3 t/ha) was recorded in pearl millet under sole cropping. In rabi season, maximum grain yield of wheat (4.07 t/ha) and barley (4.38 t/ha) was recorded under sole cropping while minimum yield of wheat (2.34 t/ha) and barley (2.79 t/ha) was recorded under shisham + aonla. Fodder yield of oat was also influenced significantly by different silvi–horti systems. Maximum oat fodder yield of 62.00 t/ha was harvested from open field followed by 56.20 t/ha under khejri + guava. Maximum fruit yield (13.40 t/ha) was observed in aonla + wheat + khejri agri–silvi–horti system. Appreciable build up in organic carbon content (OC) and decrease in soil pH under agri–silvi–horti systems as compared to sole cropping. The available NPK content also increased under agri–silvi–horti systems and decreased with increasing soil depth. The agri–silvi–horti system of khejri + guava + clusterbean–barley fetched higher net returns (Rs. 76,650/ha), while the net returns from sole cropping of clusterbean–barley was only Rs. 15,953/ha.
      PubDate: 2017-06-01
      DOI: 10.1007/s40003-017-0247-9
      Issue No: Vol. 6, No. 2 (2017)
  • Site-Specific Fertilizer Nitrogen Management Using Optical Sensor in
           Irrigated Wheat in the Northwestern India
    • Authors: Bijay-Singh; Varinderpal-Singh; Yadvinder-Singh; H. S. Thind; Ajay Kumar; O. P. Choudhary; R. K. Gupta; Monika Vashistha
      Pages: 159 - 168
      Abstract: Abstract An optical sensor-based fertilizer nitrogen (N) management strategy that relies on visible and near-infrared spectral response from plant canopies was evaluated for irrigated wheat in the northwestern India. GreenSeeker™ optical sensor-guided fertilizer N dose, computed from an estimate of potential yield and response index, takes into account both the temporal and field-to-field variabilities and is applied only once after measuring in-season spectral response from the crop canopy. Seven field experiments were conducted in four wheat seasons to decide whether to apply the optical sensor-guided fertilizer N dose at 2nd or 3rd irrigation stage and to work out the appropriate N management before applying it. Robust relationships between in-season sensor-based estimates of yield and actual wheat yields were observed both at 2nd (R 2 = 0.64) and 3rd (R 2 = 0.86) irrigation stages of the crop. GreenSeeker-based fertilizer N management resulted in high yield levels and high N-use efficiency. Application of 30 kg N ha−1 at planting and 45 kg N ha−1 at 1st irrigation was found to be the appropriate N management before applying the GreenSeeker-guided dose at 2nd irrigation stage. Grain yields obtained by following sensor-guided N management were at par with those observed with the blanket recommendation of 120 kg N ha−1, but with greater recovery efficiency (by 6.7–16.2%) and agronomic efficiency [by 4.7–9.4 kg grain (kg N applied)−1]. The major outcome of this study was that applying a moderate amount of fertilizer N at planting and enough fertilizer N to meet the high N demand during the period between crown root initiation stage and maximum tillering stage before applying a sensor-guided fertilizer N dose at 2nd irrigation stage results not only in high yields but also in high fertilizer N-use efficiency in irrigated wheat.
      PubDate: 2017-06-01
      DOI: 10.1007/s40003-017-0251-0
      Issue No: Vol. 6, No. 2 (2017)
  • Quality Characterization of Brown Rice Pasta Supplemented with Vital
           Gluten and Hydrocolloides
    • Authors: Navjot Kaur; Savita Sharma; Deep Narayan Yadav; Hanuman Bobade; Baljit Singh
      Pages: 185 - 194
      Abstract: Abstract Pasta was prepared from brown rice (var. PR 118) flour incorporated with sodium alginate (0.5–2.5%), xanthan gum (0.5–2.5%), vital gluten (2–10%) and pre-gelatinized flour (10–50%) as binders. Effect of these binders on the quality characteristics of brown rice pasta was evaluated. Incorporation of xanthan gum (1.5%), vital gluten (8%), pre-gelatinized flour (40%) individually and their combination as xanthan gum (1.5%) + vital gluten (4%) + pre-gelatinized flour (20%) were found optimum to improve the cooking quality and overall acceptability of brown rice pasta. Xanthan gum (1.5%) + pre-gelatinized flour (20%) in combination can also be incorporated into brown rice in order to prepare gluten-free pasta. In addition to being a diversified convenience food, non-wheat pasta would be suitable for people suffering from wheat intolerance. Shelf life of selected pasta samples was evaluated during storage at ambient conditions for 3 months. Type of binder and storage period did not influence the cooking quality and sensory attributes of pasta significantly (p ≤ 0.05). Least significant variation was found in moisture, water activity and free fatty acid content of pasta over 3 months of storage period.
      PubDate: 2017-06-01
      DOI: 10.1007/s40003-017-0250-1
      Issue No: Vol. 6, No. 2 (2017)
  • Agriculture and Poverty Responses to High Agricultural Commodity Prices
    • Authors: Saeed Solaymani
      Pages: 195 - 206
      Abstract: Abstract A rise in global agricultural commodity prices negatively affects the wellbeing of poor people, especially in developing countries and inversely for a decline in prices of these commodities. On the other hand, they may gain or lose from high or low prices especially those groups that work in production of these commodities. This study, by applying a computable general equilibrium approach, aims to investigate the impacts of high and low agricultural commodity prices on agricultural sector and poverty across nine household groups in an unemployment situation of factors of production. It is found that, as a whole, a 45% increase and decrease in agricultural commodity prices negatively influences the economic performance of Malaysia, in real terms, by 0.24 and 0.91%, respectively. While high agricultural price stimulates the investment and export of agricultural sectors and aggregate household consumption, lower agricultural commodity prices declines investment and export in these sectors and causes a decrease in aggregate household consumption. Although both high- and low-price scenarios increase the poverty level of all household groups, with greater magnitude for lower-price scenario, all rural household groups compared to urban groups experience more increase in their poverty.
      PubDate: 2017-06-01
      DOI: 10.1007/s40003-017-0253-y
      Issue No: Vol. 6, No. 2 (2017)
  • Effect of Rainfall Variability on Rice Yield in North Eastern Hills of
           India: A Case Study
    • Authors: Deotrephy K. Dkhar; S. M. Feroze; Ram Singh; Lala I. P. Ray
      Abstract: Abstract Meghalaya, one of the Seven Sisters States located in the North Eastern Himalayan region of India, is known for two high-rainfall places, i.e. Sohra and Mawsynram, but the state often faces water crisis during the post-monsoon season. Weekly, monthly and seasonal rainfalls were analysed for the state by calculating mean, coefficient of variance, extreme value, etc. To estimate the effect of rainfall on rice yield regression model was applied. The month of August receives highest average rainfall of 1108.30 mm, but the inter year variation is very high (CV = 49.69%). Increasing linear trends were observed for pre-monsoon, monsoon and post-monsoon over the study period. The quantum of June rainfall (0.75%) and monsoon maximum temperature (13.35%) has a positive and significant impact on yield of kharif rice, whereas the quantum of August rainfall (−0.46%) has a negative and significant impact on the yield of rice.
      PubDate: 2017-07-12
      DOI: 10.1007/s40003-017-0276-4
  • Discrimination of Unfermented Pu’er Tea Aroma of Different Years
           Based on Electronic Nose
    • Authors: Wen Peng; Lan Wang; Ye Qian; Ting Chen; Bing Dai; Bo Feng; Baijuan Wang
      Abstract: Abstract In this paper, the unknown tea samples were discriminated in which year it is produced, by detecting Pu’er unfermented tea aroma of different years with electronic nose. Winmuster software has been adopted to analyze its principal component analysis (PCA), sensor difference contribution rate (loading), linear discriminant analysis (LDA) and partial least square method (PLS). The result showed that the distinction degree of PCA was 96.492%, which can separate the Pu’er unfermented tea aroma of different years. Loading analysis showed that the sensors of No.8 and No.9 made the greatest contribution to the first and second principal components of aroma. LDA analysis indicated that electronic nose can differentiate the aroma of unfermented Pu’er tea with the same type in different years. PLS results of discrimination agreed well with the reality by conducting random tea samples test. The study showed that electronic nose has odor sensors that the smell will be digital; it can not only discriminate aroma of unfermented tea, but also locate the year of unknown unfermented tea quickly.
      PubDate: 2017-07-12
      DOI: 10.1007/s40003-017-0277-3
  • Multifaceted Rhizobacteria-Mediated Growth Augmentation in Chickpea
    • Authors: Poonam Kumari; Veena Khanna; Prafull Kumar
      Abstract: Abstract Sixty-nine rhizobacteria isolated from chickpea rhizosphere were screened for their antagonistic potential against Fusarium oxysporum f. sp. ciceris under in vitro condition. Of these, 30 isolates inhibited growth of the pathogen and 13 potent antagonists were assessed for their functionality traits. Among the antagonistic traits exhibited by antagonists, production of diffusible antimetabolites insured its inhibitory effect on growth of test fungus as well as spore germination on solid media. Inhibition of fungus biomass in broth-based dual culture was revealed by 11 antagonists, while metabolic extracts of 5 isolates reduced the radial proliferation on solid media. Implication of biocidal volatiles in antagonism was demonstrated by 11 isolates; 3 produced cyanogenic volatiles, while all were ammonia producers. Investigation for hydrolytic activity demonstrated production of chitinase by 4 isolates and β-1,4-glucanase by 11, while all were protease and amylase producers. Revealing the dual potential of bioantagonists, all the isolates tested positive for IAA and salicylic acid production, 7 for siderophore production while 10 were P-solubilizers and 8 Zn-solubilizers. Under glass house condition, bacterization of chickpea seeds with potential isolate Ps14c alone and in consortium with Mesorhizobium ciceris reduced wilt incidence in pots (soil amended with F. oxysporum) to 48 and 28%, respectively, as compared to uninoculated control (74%) and also recorded appreciable increase in growth parameters. Present investigation clearly reveals the potential of rhizobacteria for use as bioinoculants.
      PubDate: 2017-07-12
      DOI: 10.1007/s40003-017-0275-5
  • Genetic Divergence Among Post-rainy Season-Grown Sorghum Local Landraces
           and Varieties for Morphological and Yield Traits
    • Authors: Ashok Badigannavar; G. Girish; T. R. Ganapathi
      Abstract: Abstract Post-rainy season-cultivated sorghum lines are local landraces, known for their grain quality and used exclusively for human consumption. Because of their importance, the present study was undertaken to estimate genetic diversity for morphological and yield-contributing traits at two locations. The ANOVA for days to flower, stem diameter, panicle width, yield per plant and 100 seed weight showed significant differences among 85 sorghum landraces and 15 popular varieties. Mean squares for all the traits were significantly affected by genotypes (G), environments (E) and G × E interaction. Relatively high broad-sense heritability was observed for grain yield at BARC, Mumbai (E1), and panicle length at ARS, Gulbarga (E2) locations, respectively. Significant positive correlations between panicle width and grain yield (0.23**) and between seed weight and grain yield (0.22**) were observed. Cluster analysis based on Euclidean distance grouped all the genotypes into five clusters with PC-6 emerging as a distinct variety. Promising landraces identified in this study would serve as genetic resources for recombination breeding.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0268-4
  • Effect of Honey on Quality Characteristics of Mutton Spread
    • Authors: Suman Talukder; Sanjod Kumar Mendiratta; Tarun Pal Singh; Ashish Kumar; Rajiv Ranjan Kumar; Arvind Soni
      Abstract: Abstract Mutton spread with improved nutritional and functional quality was developed. Control formulation of mutton spread was standardized with 30% mutton powder. Two different cooking regimes, viz. braising (BMS) and steaming (SMS), were applied to prepare control spread and were compared for sensory attributes; on the basis sensory scores, braising cooking method was selected. Three different levels (3, 4 and 5%) of honey-incorporated treatments (T-I, T-II and T-III, respectively) were formulated and compared with pre-standardized control for physico-chemical properties and sensory attributes. Cooking yield and moisture content increased significantly (P < 0.05), whereas protein content decreased (P < 0.05) with the increasing levels of honey. Scores of sensory attributes like appearance, flavor, juiciness, after taste, adhesivability and overall acceptability were significantly higher (P < 0.05) for T-II (4% honey) as compared to control. On the basis of physico-chemical properties and sensory attributes, T-II was adjudged optimum. Further, a comparative study for texture attributes and antioxidant profile was done between control and T-II. Firmness and work of shear showed higher values for T-II as compared to control. Total phenolics content, reducing power assay and antiradical scavenging activity values were found significantly higher (P < 0.05) in T-II as compared to control. Products were stored at (4 ± 1) °C for period of 21 days and studied at 7 days interval. T-II showed significantly lower (P < 0.05) total plate count and thio-barbituric acid reacting substances during entire storage. On the basis of overall attributes, it was concluded that incorporation of honey in mutton spread improved the shelf life and quality.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0269-3
  • Fatty Acids Composition and Oxidation Kinetic Parameters of Purslane (
           Portulaca oleracea ) Seed Oil
    • Authors: Seyedeh Razieh Jalali Mousavi; Razieh Niazmand
      Abstract: Abstract Purslane seed oil (PSO) was evaluated for fatty acids composition and lipid oxidation. Results showed that linoleic acid (C18:2, 33.63%), α-linolenic acid (C18:3, 26.77%), palmitic acid (C16, 16.43%), and oleic acid (C18:1, 16.36%) were the dominant fatty acids in the PSO. The saturated fatty acids of the PSO amounted to 21.09% of the total fatty acids, while the unsaturated fatty acids amounted to 78.9%. 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity of purslane seed water–methanolic extract at different concentrations varied significantly, ranging from 15.41 to 79.06%. PSO was oxidized at three temperatures (353, 363, and 373 K) under Rancimat test conditions. Reaction rate constants (k), activation energies (E a), Q 10 number, activation enthalpy (ΔH ++), and activation entropy (ΔS ++) for oxidative stability of PSO were calculated according to the activated complex theory and Arrhenius equation. The k, E a, Q 10, ΔH ++, and ΔS ++ for PSO ranged from 0.031 to 0.186 h−1, 93.46, 2.37, 90.54 kJ mol−1, and −18.62 J K−1 mol−1, respectively. Lipid oxidation rates were greatly dependent on temperature. According to fatty acid composition and high polyunsaturated fatty acids (61.88%) of PSO, it has a high E a, ΔH ++, and ΔS ++.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0271-9
  • Observation and Investigation of Starch Granules Within Wheat Pericarp and
    • Authors: Yankun Zheng; Xiong Fei; Xurun Yu
      Abstract: Abstract The pericarp and endosperm are two important wheat caryopsis sinks containing starch granules. In order to further clarify developmental characteristics of starch granules within wheat pericarp and endosperm, caryopses of hard and soft wheat at different days after pollination were used as experimental materials and their sections were observed with light and electron microscopy in this paper. The results indicated: (1) Pericarp parenchyma cells contained two types of starch granules: single-granule starch granules (ISG) and compound-granule starch granules (CSG). Pericarp parenchyma cells underwent degeneration from the part adjacent to cross cells to the part near the pericarp epidermis. Along with degeneration of pericarp parenchyma cells, CSG were transformed into ISG and all of ISG were gradually disintegrated. (2) There were denser chloroplasts present within the green pericarp cells around the vascular system in hard wheat than in soft wheat. (3) The tiny ISG appeared in aleurone cells at 9 days after pollination, but disappeared in the high-level differentiated aleurone cells. (4) ISG of the inner-layer endosperm transfer cells, sub-aleurone cells and the central starchy endosperm cells developed better in hard wheat than in soft wheat. This was probably because endosperm transfer cells had stronger nutrient transport function and the green pericarp cells provided more photosynthates for the endosperm in hard wheat than in soft wheat.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0270-x
  • Morpho-physiological Diversity to Evaluate Dry Summer Adaptability of
           Pearl Millet
    • Authors: Ejaz Ahmad Malik; Ruchika Bhardwaj; Meenakshi Goyal; Jagmeet Kaur
      Abstract: Abstract Pearl millet germplasm lines, viz., 17 cytoplasmic male sterile lines and 83 inbred lines, were evaluated for 15 different morpho-physiological traits. The correlation analysis revealed strong positive association of days to 50% flowering and maturity (0.66, 0.15) with grain yield. Significant positive association between water-soluble carbohydrates (WSC) and grain yield (0.17) depicted that WSC is a good indicative for selecting genotypes for summer cultivation. Principal component (PC) analysis showed five PCs having eigenvalue >1 explaining 74.72% of the total variation with number of tillers, WSC, stover yield, days to 50% flowering and days to maturity being the most important characters in PC1. Dendrogram based on Euclidean dissimilarity revealed two main groups at linkage distance of 354.80. The group A consisted of all CMS lines, and group B consisted of all the Punjab Inbred Bajra (PIB) lines. The germplasm lines were grouped into 11 clusters. All the test CMS lines and inbreds BDRC-1, PIB-200-P2, PIB-680, PIB-802, PIB-920 were identified as potential genotypes for summer cultivation.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0254-x
  • Comparative Study of Hydropriming to Static Magnetic Field on Seedling
           Vigour and Enzyme Activity in Wheat Seed
    • Authors: Omvati Verma; Neha Joshi; Sunita T. Pandey; R. C. Srivastava; S. K. Guru
      Abstract: Abstract The seeds of wheat variety UP 2565 were invigorated with static magnetic fields of 100- and 200-mT intensities for 1 h and hydropriming for 16 h. Seedling vigour and enzyme activities of all invigorated seeds along with untreated control were conducted in the laboratory. Seedling vigour parameters were significantly higher in invigorated seeds than that of untreated seeds. Among invigorated seeds, hydroprimed seeds took minimum time to emerge than magnetically treated seeds. Similarly root length, shoot length, seedling vigour index were also significantly higher in hydroprimed seeds than magnetically treated seeds. The magnetic treatments led to a significant increase in shoot length, root length, seedling dry weight, vigour index and enzyme activity in comparison with untreated seeds. Alpha amylase activity was also 2.7, 1.8 and 1.3 times higher in hydroprimed, 100- and 200-mT static magnetic field treatments, respectively, over untreated seeds. Electrical conductivity of seed leachate was significantly reduced by hydropriming and static magnetic field treatments. At higher magnetic field, seedling vigour and enzyme activity were reduced.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0274-6
  • Quantitative Separation of Nitrogen and Non-Nitrogen Rotation Benefits for
           Maize Following Velvet Bean Under Selected Soil Management Practices
    • Authors: I. M. Uzoh; S. E. Obalum; C. A. Igwe; R. C. Abaidoo
      Abstract: Abstract It is increasingly known that factors other than legume-fixed nitrogen contribute to rotation benefit (yield advantage of legume/cereal over cereal/cereal). The contributions of nitrogen and such other factors were quantified to guide soil fertility management in legume/cereal systems. Under greenhouse conditions, the effects of returning first crop’s residue to the soil, crop sequence (velvet/maize, maize/maize) and nitrogen-fertilizer level on yield of second maize were used to separate rotation benefits into nitrogen and non-nitrogen factors, while the corresponding effects of crop sequence, mycorrhizal inoculation and phosphorus-targeted fertilization in a parallel experiment were used to disaggregate the non-nitrogen effects. Crop residue and velvet/maize had positive effects on soil nitrogen and maize yield. Nitrogen fertilizer had optimal effects at 60 kg ha−1, while phosphorus enhanced maize yields the most when no essential nutrient was limiting. Rotation benefit was lower without (13.59%) than with (33.27%) residue. Non-nitrogen rotation benefit was 37.5%. Relative contributions of nitrogen, phosphorus, other nutrients, mycorrhiza and not-considered factors were, respectively, 34, 9, 6, 21 and 30% without residue and 68, 4, 3, 10 and 15% with residue. Crop residue management has, therefore, a strong underlying influence on legume-to-cereal rotation benefit and the relative contribution of its components.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0272-8
  • Effect of Protected Fat as Ca-Soap and Formaldehyde-Treated Full-Fat
           Soybean in the Finisher Diet of Lambs on Growth Performance, Carcass
           Traits and Fatty Acid Profile
    • Authors: Randhir Singh Bhatt; A. Sahoo; Lalit Kumar Soni; Y. P. Gadekar
      Abstract: Abstract Effect of feeding Ca-soap and formaldehyde-treated full-fat soybean (FFS) on growth, carcass traits and fatty acid profile of thirty male finisher (3 months) lambs of native Malpura breed was evaluated. Lambs were equally divided into two groups and fed on two isocaloric and isonitrogenous diets, one with Ca-soap 6 percent (T1) and the other with equivalent fat added through FFS (T2). Lambs were slaughtered at 6 months of age. Carcass traits and proximate composition were comparable in both the dietary groups. There were increased C16:0 and C18:1n9t fatty acids in Ca-soap-incorporated diet, whereas C15:1, C18:2n6c and C18:3n3 fatty acids were higher in FFS-supplemented diet. The fatty acid profile of Longissimus dorsi (LD) muscle revealed higher (P < 0.05) content of C14:0, C16:0, C18:2n6c fatty acids in FFS, whereas C18:3n3 fatty acid was higher (P < 0.05) in Ca-soap-supplemented diet. Saturated fatty acids (SFA), polyunsaturated fatty acids (PUFA) and ω-3 fatty acids were higher (P < 0.05) in Ca-soap, while monounsaturated fatty acids were higher (P < 0.05) in FFS-supplemented diet. This leads to higher PUFA: SFA ratio in Ca-soap-supplemented diet as compared to FFS. Adipose tissues of lambs fed Ca-soap showed higher (P < 0.05) contents of C18:2n6c and C18:3n3, whereas lambs fed FFS had higher C14:0, C16:0, C18:1n9t and C18:1n9c fatty acids. Thus, feeding of Ca-soap compared to FFS-supplemented diet could preferentially modulate PUFA, ω6 and ω3 fatty acid in LD muscle fat as well as adipose tissue for the benefit of human consumption.
      PubDate: 2017-06-14
      DOI: 10.1007/s40003-017-0273-7
  • Soil Organic Carbon Dynamics Responses to Soil Fertility in the
           Agricultural Regions of China
    • Authors: D. L. Han; X. P. Zhu; H. T. Jia; P. J. Yu
      Abstract: Abstract Increasing the soil organic carbon (SOC) content in croplands can not only improve the soil fertility, but also mitigate climate warming. To evaluate the extent of soil organic carbon density (SOCD) and SOC stock, the examination and prediction of the changes in SOC are essential. Using a field denitrification–decomposition model simulates the dynamics of SOC in the cultivated layer (Ap horizon, all soil depths of sites were 0–30 cm) across all croplands in China. The model simulations results showed that the SOCD and stock approach 3.69 ± 1.09 kg C m−2 and 4.73 ± 1.39 Pg C for the 128.2 M ha croplands in 2040, respectively. Interestingly enough, changes in SOC content (ΔSOC) and soil total nitrogen, soil available phosphorus, and soil available potassium showed negative correlations (P < 0.01), while soil pH value had positive (P < 0.01) correlation with ΔSOC in the cultivated layer. Excess fertilizer can be a disadvantage for SOC accumulation, Chinese croplands have relatively low SOCD and used good amount of fertilizer in comparison with the global average, but the croplands could have great potentials for soil carbon stock under better agricultural “watershed” management practices.
      PubDate: 2017-06-06
      DOI: 10.1007/s40003-017-0263-9
  • Validation of Seed Weight-Associated SSR Markers and Their Usefulness in
           Distinguishing Chickpea Genotypes According to Seed Size
    • Authors: Vaishali V. Borse; Pawan L. Kulwal; Laxman B. Mhase; Ashok S. Jadhav
      Abstract: Abstract Chickpea is an important cool-season grain legume. High-quality seed has the potential to attract premium prices. Hence, the breeding for desirable quality traits, including seed size and weight, is important. A set of 27 chickpea genotypes comprising 14 small and 13 large seeded, representing desi and Kabuli types, were used in the present study. A total of 43 SSR markers which were earlier reported to be associated with 100-seed weight and yield-contributing traits following QTL mapping in unrelated genetic background were used for validation purpose. Out of 43 SSR primers, 33 showed polymorphism amplifying 135 alleles. Neighbor joining-based analysis separated small- and large-seeded genotypes into two broad groups. These markers could distinguish small-seeded chickpea from that of large-seeded ones as well as desi types from that of Kabuli types, thereby validating all these QTL-linked markers in different genetic backgrounds. Fifteen of these primers also amplified 20 unique alleles in 13 chickpea genotypes and can be useful in molecular characterization and identification of specific genotype which has now become mandatory under Protection of Plant Varieties and Farmers Rights’ Act of India.
      PubDate: 2017-04-11
      DOI: 10.1007/s40003-017-0256-8
  • Electrophoretic Separation of Humic Acids Isolated from Tropical Soils
           Through Modified Denaturing Polyacrylamide Gel Electrophoresis
    • Authors: Divya Pandey; Abhijit Sarkar; S. B. Agrawal; Madhoolika Agrawal
      Abstract: Abstract Electrophoretic separation of humic acids obtained from soil was attempted through denaturing polyacrylamide gel electrophoresis (dn-PAGE) by modifying the known methods. The modifications of sample preparation and gel composition led to significant improvement in both visibility and intensity of humic acid profile. The comparative profile showed a similar nature of humic acid components in all the samples and the commercial standard. The Fourier transform infrared spectroscopy (FTIR) spectra indicated the presence of carboxyl and carbonyl functional groups and aliphatic chains in humic acid samples. The modified method facilitated better separation of humic acid. The results of the present study indicate the potential of dn-PAGE for electrophoretic separation of different components of humic acids.
      PubDate: 2017-04-10
      DOI: 10.1007/s40003-017-0255-9
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