Publisher: CCSE   (Total: 43 journals)   [Sort by number of followers]

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Applied Physics Research     Open Access   (Followers: 7)
Asian Culture and History     Open Access   (Followers: 17)
Asian Social Science     Open Access   (Followers: 7)
Cancer and Clinical Oncology     Open Access   (Followers: 9)
Computer and Information Science     Open Access   (Followers: 17)
Earth Science Research     Open Access   (Followers: 12)
Energy and Environment Research     Open Access   (Followers: 14)
Engineering Management Research     Open Access   (Followers: 7)
English Language and Literature Studies     Open Access   (Followers: 26)
English Language Teaching     Open Access   (Followers: 33)
Environment and Natural Resources Research     Open Access   (Followers: 9)
Environment and Pollution     Open Access   (Followers: 13)
Global J. of Health Science     Open Access   (Followers: 12, SJR: 0.416, CiteScore: 1)
Higher Education Studies     Open Access   (Followers: 72)
Intl. Business Research     Open Access   (Followers: 8)
Intl. Education Studies     Open Access   (Followers: 11)
Intl. J. of Biology     Open Access   (Followers: 2)
Intl. J. of Business and Management     Open Access   (Followers: 22)
Intl. J. of Chemistry     Open Access   (Followers: 12)
Intl. J. of Economics and Finance     Open Access   (Followers: 18)
Intl. J. of English Linguistics     Open Access   (Followers: 12)
Intl. J. of Marketing Studies     Open Access   (Followers: 23)
Intl. J. of Psychological Studies     Open Access   (Followers: 6)
Intl. J. of Statistics and Probability     Open Access   (Followers: 5)
Intl. Law Research     Open Access   (Followers: 2)
J. of Agricultural Science     Open Access   (Followers: 14)
J. of Education and Learning     Open Access   (Followers: 4)
J. of Educational and Developmental Psychology     Open Access   (Followers: 19)
J. of Food Research     Open Access   (Followers: 5)
J. of Geography and Geology     Open Access   (Followers: 15)
J. of Management and Sustainability     Open Access   (Followers: 10)
J. of Materials Science Research     Open Access   (Followers: 8)
J. of Mathematics Research     Open Access   (Followers: 6)
J. of Molecular Biology Research     Open Access   (Followers: 3)
J. of Plant Studies     Open Access   (Followers: 1)
J. of Politics and Law     Open Access   (Followers: 13)
J. of Sustainable Development     Open Access   (Followers: 33)
Mechanical Engineering Research     Open Access   (Followers: 19)
Modern Applied Science     Open Access   (Followers: 2)
Network and Communication Technologies     Open Access   (Followers: 5)
Public Administration Research     Open Access   (Followers: 2)
Review of European Studies     Open Access   (Followers: 12)
Sustainable Agriculture Research     Open Access   (Followers: 6)
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Journal of Agricultural Science
Number of Followers: 14  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1916-9752 - ISSN (Online) 1916-9760
Published by CCSE Homepage  [43 journals]
  • Reviewer Acknowledgements for Journal of Agricultural Science, Vol. 13,
           No. 12

    • Abstract: Reviewer acknowledgements for Journal of Agricultural Science, Vol. 13, No. 12, 2021.
      PubDate: Fri, 05 Nov 2021 11:52:52 +000
       
  • Genetic Engineering of Local Cayenne Pepper (Capsicum frustescens L.)
           Through Breeding With Multigamma Irradiation Methods to Obtain Superior
           Offspring

    • Abstract: This study purpose to genetically engineer local cayenne pepper through breeding with multigamma irradiation methods to obtain superior offspring that adapt to drought stress, extreme weather, pest tolerance, and high production. The method used consists of observation, sampling, irradiation, careful selection, purification, comparative, and interpretation. The brief procedure of the study included: observations for taking samples, inventorying the physical characteristics of local chili parent varieties, selecting research sites, cultivating the planting area, irradiating the sample at a dose of 2500 rads for 30 minutes, soaking the planting area, planting seeds, irrigation, observing the age and ability to grow seeds, doing embroidery, weeding and fertilizing, observing the condition of plants during growth, harvesting, weighing the mass of fruit per tree, analyzing several nutritional content, comparing the physical and chemical characteristics of the parent varieties and selected superior offspring, and interpreting. Result of research: Local cayenne pepper of superior selected offspring as a result of multigamma irradiation can adapt to drought conditions, extreme weather, tolerant of pests and diseases, and significantly increase production compared to the parent variety. The average production of the selected superior offspring was 11.11 t ha-1, while the parent variety was 6.54 t ha-1 with a percentage increase in the production of local cayenne pepper from the selected superior offspring was 41.13%.
      PubDate: Fri, 05 Nov 2021 11:50:19 +000
       
  • Broccoli Production With Regulated Deficit Irrigation at Different
           Phenological Stages

    • Abstract: The objective of this study was to evaluate the effects of different levels of soil water replacement in each phenological stage of broccoli crop cultivated in a protected environment. The experiment was conducted in a protected environment in the municipality of Maringá, Paraná, Brazil. The experimental design used was in randomized blocks 4 by 3 having four levels of water replacement (55, 70, 85, and 100% of crop evapotranspiration) applied in three phenological stages (initial, intermediate, and final), and four replications. Productivity, inflorescence fresh matter, leaf fresh matter, stem fresh matter, number of leaves, stem diameter, inflorescence height, inflorescence diameter, plant height, leaf area, inflorescence dry matter, stem dry matter and leaf dry matter were evaluated. The data were submitted to variance analysis and compared by Scott-Knott test and regression analysis. Deficit of 30% of the ETc during the final stage of the broccoli crop, reduced productivity by 7%, on the other hand for the initial and intermediate stages, there was a drop of 30% and 23% respectively. The water deficit caused significant losses in broccoli production during the first phenological stages, but the final stage was less critical.
      PubDate: Fri, 05 Nov 2021 11:46:46 +000
       
  • Influence of Organic and Organo-Mineral Fertilizers on Growth and Fruit
           Yield of Eggplant on Acidic Soil

    • Abstract: Eggplant is a very important vegetable and economic resource crop for populations in urban areas of developing countries. Its cultivation, on acidic coastal soils of Côte d’Ivoire, presents several edaphic constraints. This study aims to assess the effects of organic fertilizers and an organo-mineral fertilizer, as compared to mineral fertilizers, on the growth and eggplant yield on an acid soil. The experiment was carried out in a randomized Fisher block, with 4 treatments and a control repeated 3 times. Treatments consisted of organic and organo-mineral fertilizers, a liquid organic fertilizer and a mineral fertilizer application. Application rates of organic and organo-mineral fertilizers were 17.5 t ha-1. The liquid organic fertilizer rate was 1 L per 200 L ha-1 of water. As for the mineral fertilizer, the formula 0-23-19 and urea (46-0-0) were used, bringing rates of 138 kg ha-1 (N), 65.35 kg ha-1 (P2O5) and 54 kg ha-1 (K2O). The organo-mineral fertilizer used produced the best effects. Very highly significant (p < 0.001) growth, such as plant height and collar diameter, were 52.69 and 1.49 cm, respectively, 90 days after transplanting. Concerning yield, statistical analysis showed highly significant differences (p < 0.01) between treatments. The highest fruit yield (20.87 t ha-1) was recorded in mineral fertilizer plot, but not significantly different from those of plots with organo-mineral (17.55 t ha-1) and organic (16.66 t ha-1) fertilizers. Organo-mineral fertilizers, based on highly enriching organic materials, are capable to contribute to a lasting improvement in the practice of this crop.
      PubDate: Fri, 05 Nov 2021 11:43:36 +000
       
  • Selection of (Deli × Angola Novo-Redondo) Selfed × La Mé Progenies for
           Improved Oil Palm Productivity

    • Abstract: Introgression of Angola Novo-Redondo origin into the Deli origin was achieved for the first time in Côte d’Ivoire. Unfortunately, the genetic variability of (Deli × Angola Novo-Redondo) genitors selected was a challenge facing seed production. The best (Deli × Angola Novo-Redondo) genitor LM 5448 T was selfed expecting more stable genotypes for improved oil palm productivity. (Deli × Angola Novo-Redondo) selfed × La Mé progenies were planted at Ehania in Côte d’Ivoire. At maturity, they presented 8% rise over the controls’ mean (155.72 kg palm-1 yr-1) for total bunch weight (TBW). ANOVA revealed difference between (Deli × Angola Novo-Redondo) selfed genitors for bunch production, vertical growth rate, and bunch characteristics. DMRT showed that progenies overlapped each other indicating their genetic resemblance, a feature supported by the low CV values (3-8%) of all the parameters measured. Progenies LM 22723, LM 22835, and LM 23169 whose increase over controls’ means for TBW and bunch number were 11% and 12%, respectively, and whose mean Fusarium index was 56 should be selected for commercial seed production. Estimated breeding values of LM 15516 D and LM 15311T, Group A parents of the 3 progenies would help predicting planting materials’ performances.
      PubDate: Fri, 05 Nov 2021 11:39:12 +000
       
  • Organic and Mineral Source of Nitrogen Associated With Azospirillum
           brasilense in Culture of Wheat

    • Abstract: Nitrogen fertilization in wheat is the item that most impacts production costs when it comes to fertilization, due to its importance and demand for this crop. Thus, organic fertilization and nitrogen fixing bacteria can be management strategies to supply the nitrogen demand. The objective of this study was to evaluate the impacts of the bacterium A. brasilense associated with organic fertilization and mineral fertilization on some plant parameters and on the final productivity of wheat grains. The experimental design was a randomized block, with 8 treatments and 8 repetitions, with the following treatments: T1: Control; T2: A. brasilense; T3: 100% N-mineral; T4: 100% N-mineral + A brasilense; T5: 50% N-mineral + 50% N-organic; T6: 50% N-mineral + 50% N-organic + A. brasilense; T7: 100% N-organic; T8: 100% N-organic + A. brasilense. The parameters of the plant and the final productivity of wheat grains showed that the use of the bacterium A. brasilense was not an efficient strategy, however, in relation to the fertilization sources in the final grain productivity, the use of urea isolated or associated with organic fertilization did not differ from each other and were superior to the other treatments.
      PubDate: Fri, 05 Nov 2021 11:34:17 +000
       
  • Enhancing Seed Health for Organic Vegetable Production Systems: Challenges
           and Opportunities

    • Abstract: Organic vegetable production is a rapidly expanding segment within the fast growing organic sector of agricultural production. Although pests and diseases remain a challenge in organic production, the growth and expansion of this system is dependent on sustained use of good quality organic seed. Due to the limited supply of organic seed, the National Organic Program (NOP) allows the use of untreated conventional seed in organic production of vegetables and other crops. Conventional seed derives from a high input production system using synthetic pesticides and fertilizers. They also offer many varieties and are readily available at a much lower price compared to organic seed. Organic systems demand cultivars with different characteristics often absent in conventional cultivars, and this need begins with the seed. It is not common practice for farmers to test or sanitize seed before planting. Consequently, the use of such conventional seeds, which may not be well adapted to the low input organic production system, could favor disease susceptibility, establishment of seedborne pathogens especially in vegetables and their subsequent dissemination in the organic production system. Our overall goal is to improve organic vegetable crop health and production in the southeastern U.S. through application of sustainable seed health management and help limit seed borne infections, transmission and dissemination in organic vegetable production fields.
      PubDate: Fri, 05 Nov 2021 11:30:44 +000
       
  • Phytoremediation Potential of Crotalaria juncea Plants in
           Lead-Contaminated Soils

    • Abstract: Soil pollution by highly toxic metals (such as lead, Pb) derived from human activities has become a serious problem in recent years. Phytoremediation is a technique that uses plants or microorganisms to remedy such toxicity from contaminated soils and water. This study aimed to evaluate the efficiency of the legume Crotalaria juncea as a phytoremediator of lead-contaminated soils. We evaluated plant growth and lead content in the soil andin C. juncea’s leaves and roots. Three treatments with varying concentrations of lead in the soil were evaluated: 0 mg kg-1 (control), 250 mg kg-1, and 500 mg kg-1. Plant growth and plant physical aspects were quantified. Metal concentration in the soil, leaves, and roots was assessed by atomic absorption spectrometry. The species had a survival rate of 100%. The highest content of lead was found in the plants’ roots. Plant growth did not differ significantly among the three treatments, leaf lead concentration did. Crotalaria juncea has potential for lead phytoremediator. In addition, it is a tolerant vegetal and hyperaccumulator of Pb, mainly in the roots, and due to these characteristics its potential for phytoextraction of this metal under field conditions should be evaluated.
      PubDate: Fri, 05 Nov 2021 11:28:45 +000
       
  • Does the Inclusion of Atrazine in S-Metolachlor/Mesotrione/Bicyclopyrone
           Improve Glyphosate-Resistant Canada Fleabane Control in Corn'

    • Abstract: A total of seven field studies were conducted in southwestern Ontario from 2018 to 2020 to evaluate S-metolachlor/mesotrione/bicyclopyrone (Acuron Flexi®) and S-metolachlor/atrazine/mesotrione/bicyclopyrone (Acuron®) for the control of glyphosate-resistant (GR) Canada fleabane in corn. Acuron Flexi® and Acuron® applied preplant (PP) controlled GR Canada fleabane 90-97% and 99-100%, respectively. Commonly used PP herbicides in Ontario, dicamba/atrazine + glyphosate and tolpyralate + atrazine + glyphosate controlled GR Canada fleabane 97-99%. Acuron Flexi® and Acuron® applied postemergence (POST) provided 75-92% and 92-99% control of GR Canada fleabane, respectively. Dicamba/atrazine + glyphosate and tolpyralate + atrazine + glyphosate applied POST provided 84-97% and 94-98% control of GR Canada fleabane, respectively. Glyphosate applied POST at 900 ae ha-1 provided only 35-38% control of Canada fleabane in corn. Orthogonal contrasts indicated that herbicides applied PP provided up to 10% greater control of GR Canada fleabane than POST. There was no significant difference between the low and high rates of Acuron® or Acuron Flexi® in controlling GR Canada fleabane. Acuron® controlled GR Canada fleabane 14, 9 and 7% greater than Acuron Flexi® at 4, 8, and 12 WAA, respectively. GR Canada fleabane interference with corn reduced yield up to 42%. However, there was no difference in corn yield between herbicides treatments evaluated. Orthogonal contrasts indicated that reduced GR Canada fleabane interference with PP herbicides evaluated provided 0.9 t ha-1 greater corn yield than the POST herbicides evaluated. There was no significant difference in corn yield with Acuron® or Acuron Flexi® at the lower rate or higher rates. Additionally, Acuron Flexi® applied PP provided a similar corn yield as when applied POST. Based on these results, the use of Acuron® results in improved GR Canada fleabane control than Acuron Flexi® but this did not result in an increase in corn yield. The study concludes that there is potential for Acuron Flexi® for GR Canada fleabane control in corn especially in areas where atrazine use is restricted, however additional weed control tactics may be required for acceptable control.
      PubDate: Fri, 05 Nov 2021 11:24:33 +000
       
  • Seasonal Considerations for Year-Round Operation of On-Farm Wetlands in
           Temperate Climates: A Review

    • Abstract: On-farm constructed wetlands (CW) have been increasing in application over the past several decades to treat a variety of agricultural wastewaters. These systems have been found to be relatively low cost, require minimal maintenance, and provide a very efficient and sustainable means of treating harmful contaminants during the warm seasons before reaching nearby waterways. With farm size increasing in many regions and more waste being generated, it becomes increasingly important to have a viable means of treating wastewaters on a year-round basis. However, temperate climates can present challenges in the treatment of these wastewaters. This paper aims to bring together and review previous research on the use of CWs for treating agricultural wastewater in temperate climates where below freezing temperatures can exist. Focus is placed on the use of various wetland designs, wastewater types, management practices, maintenance, operational challenges and overall treatment capacities. This study highlights the need to carefully consider several factors (i.e. waste type, design, climate, vegetation, management) before using these systems for year-round treatment. Continued research in wetland management will be key in getting wide scale adoption from the agricultural community in temperate climates.
      PubDate: Fri, 05 Nov 2021 11:20:45 +000
       
 
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