Subjects -> AGRICULTURE (Total: 981 journals)
    - AGRICULTURAL ECONOMICS (93 journals)
    - AGRICULTURE (680 journals)
    - CROP PRODUCTION AND SOIL (120 journals)
    - DAIRYING AND DAIRY PRODUCTS (30 journals)
    - POULTRY AND LIVESTOCK (58 journals)

AGRICULTURE (680 journals)            First | 1 2 3 4     

Showing 601 - 263 of 263 Journals sorted alphabetically
Science and Technology Indonesia     Open Access  
Science as Culture     Hybrid Journal   (Followers: 10)
Science, Technology and Arts Research Journal     Open Access   (Followers: 1)
Scientia Agricola     Open Access  
Scientia Agropecuaria     Open Access  
Seed Science and Technology     Full-text available via subscription  
Seed Science Research     Hybrid Journal  
Selçuk Tarım ve Gıda Bilimleri Dergisi     Open Access  
Semiárida     Open Access  
Siembra     Open Access  
Small Ruminant Research     Hybrid Journal   (Followers: 2)
Smart Agricultural Technology     Open Access  
Social & Cultural Geography     Hybrid Journal   (Followers: 25)
Social and Natural Sciences Journal     Open Access  
South African Journal of Agricultural Extension     Open Access   (Followers: 3)
South African Journal of Economics : SAJE     Hybrid Journal   (Followers: 7)
South African Journal of Plant and Soil     Hybrid Journal   (Followers: 1)
Spatial Economic Analysis     Hybrid Journal   (Followers: 9)
Sri Lanka Journal of Food and Agriculture     Open Access   (Followers: 1)
Stiinta Agricola     Open Access  
Studies in Australian Garden History     Full-text available via subscription   (Followers: 4)
Sugar Tech     Hybrid Journal   (Followers: 1)
Sustainability Agri Food and Environmental Research     Open Access   (Followers: 4)
Sustainability and Climate Change     Full-text available via subscription   (Followers: 12)
Sustainable Agriculture Research     Open Access   (Followers: 3)
Sustainable Environment Agricultural Science (SEAS)     Open Access   (Followers: 1)
Tanzania Journal of Agricultural Sciences     Open Access   (Followers: 4)
Terra Latinoamericana     Open Access  
The Agriculturists     Open Access  
The Journal of Research, PJTSAU     Open Access   (Followers: 7)
Translational Animal Science     Open Access  
Trends in Agricultural Economics     Open Access   (Followers: 7)
Tropical Agricultural Research     Open Access   (Followers: 2)
Tropical Agricultural Research and Extension     Open Access   (Followers: 2)
Tropical and Subtropical Agroecosystems     Open Access  
Tropical Grasslands - Forrajes Tropicales     Open Access  
Tropical Technology Journal     Open Access  
Tropicultura     Open Access  
Turkish Journal of Agricultural and Natural Science / Türk Tarım ve Doğa Bilimleri Dergisi     Open Access  
Turkish Journal of Agricultural Engineering Research     Open Access  
Ukrainian Journal of Veterinary and Agricultural Sciences     Open Access  
Uluslararası Tarım ve Yaban Hayatı Bilimleri Dergisi / International Journal of Agricultural and Wildlife Sciences     Open Access  
UNICIÊNCIAS     Open Access  
Universal Journal of Agricultural Research     Open Access  
Universidad y Ciencia     Open Access  
Urban Agricultural & Regional Food Systems     Open Access  
Viticulture Data Journal     Open Access  
VITIS : Journal of Grapevine Research     Open Access   (Followers: 1)
Walailak Journal of Science and Technology     Open Access  
Wartazoa. Indonesian Bulletin of Animal and Veterinary Sciences     Open Access  
Weed Biology and Management     Hybrid Journal   (Followers: 4)
Weed Research     Hybrid Journal   (Followers: 5)
West African Journal of Applied Ecology     Open Access  
Wildlife Australia     Full-text available via subscription   (Followers: 1)
Wirtschaftsdienst     Hybrid Journal   (Followers: 5)
World Journal of Agricultural Research     Open Access  
World Mycotoxin Journal     Hybrid Journal   (Followers: 3)
World's Poultry Science Journal     Full-text available via subscription   (Followers: 3)
علوم آب و خاک     Open Access  

  First | 1 2 3 4     

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Tropical Agricultural Research and Extension
Number of Followers: 2  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1391-3646
Published by Sri Lanka Journals Online Homepage  [71 journals]
  • Evaluation of morphological traits and biochemical parameters of tea
           (Camellia sinensis) genotypes for the quality and yields

    • Abstract: An extensive knowledge on morphological traits and biochemical properties is a prerequisite in utilizing the existing tea germplasm for its improvement incurring grower acceptance and market profitability. The aim of the present study was to evaluate the five clones of tea genotypes (SH/D/11/333, H/B/6/4, TV-23, SH/D/11/13 and H/B/2/3) based on their morphological and biochemical responses in the environment of Sylhet, Bangladesh to identify superior clone. The experiment was laid out in a Latin Square Design (LSD) and Completely Randomized Design (CRD) with five replications and collected data were analyzed by using SPSS. The findings demonstrated that the greater amounts of theaflavins (TF), thearubigins (TR), a ratio of TF and TR, high polymerized substances, caffeine content and the highest amount of liquor colour index were observed in the superior quality of tea genotypesTV-23 and H/B/2/3. Meanwhile, another test clone SH/D/333 showed better performance in morphological traits along with yield attributes. In overall, the test clone H/B/2/3 and standard clone TV-23 can be considered for quality tea production while, SH/D/11/333 can be used for commercial plantations and future utilization to shape up the Bangladesh tea industry sustainably. Published on 2022-06-30 00:00:00
       
  • Surface sterilization protocols of leaf and bud explants for initiating in
           vitro cultures of Piper nigrum L. (Pepper)

    • Abstract: Piper nigrum L. is traditionally propagated by stem cuttings and seeds, but seeds tend to produce progenies with higher variations due to cross-pollination habits. Plant tissue culture technique is the most efficient and reliable method for rapid clonal multiplication, however, endophyte microbial contamination limits the success. Twelve surface sterilization protocols were tested on two bud types (apical and axillary buds) and three different maturity stages of the leaf (first, third and fifth leaves) to optimize the conditions for culture initiation. The Completely Randomized Design was used with 60 explants. Maximum likelihood analysis of variance was conducted using the Proc CatMod procedures of PC-SAS to analyse the count data. The continuous data were analysed using Analysis of Variance and the mean separation was done using Least Significant Difference. Results revealed that the optimal sterilization protocol was specific to the explant type. The third leaf from the top of the plant and the apical bud was the best explants giving minimum tissue contamination and browning. Fungal contamination was frequent in leaf explants whereas bacteria in bud explants. The protocols containing 70% ethanol (30s), 0.1% HgCl2 (5 min) and sterile distilled water with activated charcoal (1gL-1; 25 min), and 20% sodium hypochlorite (NaOCl) (15 min) with 70% ethanol (1 min) were comparable for the third leaf. In apical buds, the protocols of 0.1% HgCl2 (10 min) and 70% ethanol (1 min), and 10% NaOCl (15 min) with 70% ethanol (1 min) provided comparable performances with the highest survival and least contamination rates. The potential of replacing hazardous HgCl2 with non-toxic NaOCl by manipulating the concentration and the exposure time in combination with 70% ethanol was highlighted. Published on 2022-06-30 00:00:00
       
  • Development of mobile-based guideline model of good agricultural practices
           for potato farmers in Sri Lanka

    • Abstract: Potato is the most popular root crop and represents a significant portion of the world’s food requirements. However, it has been notified that the quality and safety of potatoes produced in Sri Lanka suffer from inappropriate farming practices. Therefore, this study aims to develop a mobile-based guideline model of Good Agricultural Practices (GAPs) by reviewing a present farming practice in potato cultivation and to explore farmers’ view on GAPs for potato production in Sri Lanka. The GAPs based guideline model was designed according to the Design Science Research methodology with primary and secondary data, which obtained from 225 potato farmers through a pre-tested structured questionnaire, formal and informal discussions. Then designed model was verified and validated through domain experts. Finally, information and guidance in the designed model is fed through a mobile application. Interestingly, 96% of farmers have a general idea on GAPs, 98% are willing to know about GAPs and the majority (92%) like to follow guidelines based on GAPs. Moreover, age (p=0.000), education level (p=0.001), farming experiences (p=0.008) and willingness to know GAPs (p=0.000), were affect significantly on farmer willingness to follow GAPs through the mobile-based application system. Moreover, the farming practices attached with the usage of synthetic chemicals and fertilizer, soil fertility management, postharvest handling were not properly practiced (78%). Further, spearmen correlation analysis showed that age (p=0.000), education level (p=0.014), and farming experiences (p=0.000), were affect significantly on farmers’ awareness of GAPs. The findings shed a green light for introducing a mobile-based guideline model to provide actionable information and guidance of GAPs to the farmers through a “Govi Nena” real-time mobile-based application. Further it supports farmers to overcome improper farming practices of potato cultivation in Sri Lanka that ultimately enhancing the potato production in Sri Lankan context. Published on 2022-06-30 00:00:00
       
  • Association of Colletotrichum gloeosporioides with premature fruit
           dropping of mango (Mangifera indica L.) and its In Vitro control using
           selected plant extracts, phytohomones and fungicides

    • Abstract: The present study was performed to determine the pathogenic cause of mango fruit drop and its in-vitro control through the application of plant extracts, phytohormones, and chemical fungicides. The prematurely fallen fruits at the pin-head stage, pea stage and marble stage were taken for pathogen isolation. Colletotrichum gloeosporioides was identified as the pathogenic cause and several isolates were established. Based on consistent mycelial growth in PDA culture media, one isolate was chosen for in-vitro management study using various treatments. Six plant extracts, two phytohormones viz. NAA, 2,4-D, and six chemical fungicides were tested against C. gloeosporioides. With three treatments, namely garlic clove, allamonda leaf and mahogany leaf extracts, mycelial growth of C. gloeosporioides was not observed for seven days of study. In comparison to the control treatment, a significantly lower mycelial growth was found with both neem leaf extract and marigold leaf extract. Garlic clove extract, allamonda leaf extract and mahogany leaf extract showed the highest percent growth inhibition (100%) of C. gloeosporioides at 7 DAI in compared to the control treatment. In case of NAA and 2,4-D application in PDA, mycelial growth of C. gloeosporioides was not detected also. As a result, extracts of garlic clove, neem leaf, allamonda leaf, mahagoni leaf, NAA and 2,4-D as well as chemical fungicides can be introduced in field conditions to assess their effectiveness in controlling premature fruit drop of mango caused by C. gloeosporioides. Published on 2022-06-30 00:00:00
       
  • Consumer awareness on nutrition fact panel of dairy food products: a
           context of urban, semi-urban and rural consumers in Sri Lanka

    • Abstract: A detailed nutrition fact panel is one of the best ways that can encourage consumers to make good decisions with regard to their eating habits. Nutrition fact communicates the information on nutrients available in a particular food. Past studies mainly focused on common food label information. However, the nutritional information is directly related to the healthy life of humans. Therefore the present study was conducted to analyse consumers’ awareness on nutrition fact panel while eliciting major sources and barriers to awareness. Further, the study identifies socio-demographic characteristics of consumers related to nutrition fact panel awareness and thereby develops appropriate suggestions and recommendations to scale up the awareness and fill the nutrition labelling information knowledge gap for the consumer benefit. A semi-structured Google questionnaire was used to collect information from a purposive sample of 135 consumers purchasing packed dairy food products from local supermarkets in Colombo, Matara, and Monaragala districts in a way to represent urban, semi-urban and rural areas respectively. It was found that the consumers in Colombo (P=0.01), Matara (P=0.024), and Monaragala (P=0.030) districts are having a significant awareness of nutritional fact panels and their information. Consumers who purchase dairy products from supermarket outlets in all three districts stated that they always look at the sugar level and fat level when purchasing dairy food items. The selected consumers stated that they face inconveniences in understanding the nutrition fact panel due to the used scientific or technical terms and the unfamiliar language. They reveal that it is important to uplift their knowledge through creating colourful and attractive labels (20.9%), and advertisements (18.7%) via mass media. Consumers stated that indication of fat (P=0.000) and sugar (P=0.000) level with colour code is extremely useful. Results revealed that front of pack nutrition labelling as the best way to increase consumer awareness on food label. The study therefore seeks to address the issue of how consumers use food nutrition label information and its effect on the purchasing decision of consumers. The outcomes of the study are helpful for policy makers in formulating policies for the benefit of both food producers in their marketing strategies and consumers to make healthy food choices. Published on 2022-06-30 00:00:00
       
  • Knowledge, attitudes and constraints faced by poultry workers in Kwara
           State, Nigeria

    • Abstract: Management competencies of poultry workers have been identified to be crucial to successful poultry production, and many works have been carried out to determine the competencies of the poultry workers in poultry management. However, little attention has been paid to the knowledge, attitudes and constraints faced by these workers in poultry management, though, these are also crucial for a successful poultry enterprise. To bridge this gap, this research adopted a multi-stage sampling method to select its respondents; with the first stage involving the selection of 2 Local Government Areas from each of the four Agricultural Development Programme zones of Kwara State, Nigeria followed by a selection of 3 poultry farms from each of the selected Local Government Areas. In the last stage, a proportionate sampling of 70% of the sample population was used to select a total number of 156 poultry workers from all farms selected. Data collected were analyzed using frequency counts, percentages, mean statistics and Pearson Product Moment Correlation. Findings revealed that 70.5% of the respondents knew nothing about the poultry work before being employed, and their highest interval of training was monthly (49.4). They have a positive attitude towards the need for better motivation and treatment of the workers (4.69 and 4.72 respectively), while their major constraints to effective production were Insufficient training (2.90), Poor motivation (2.72), and little income received (2.57). Fortnight training and additional income, and other motivational benefits for the workers are recommended. Published on 2022-06-30 00:00:00
       
  • Development of low amylose rice (Oryza sativa. L) variety at 309 for rice
           based confectionery production in Sri Lanka

    • Abstract: Rice and its products are the staple food for the majority of people in developing countries. Rice is basically consumed as entire grain or grain-based products, especially in Asian countries. Consumer interests are considerable with low amylose comprised products which stand fairly in crispy texture with brown rice-based foods but do not contain the high amount of calories. Assortment of the most appropriate rice variety for puffing ability is very much crucial and is primarily dependent upon its amylose content. This has a direct impact on grain enlargement. Rice variety Bg 98-2571 and international rice line IR 70422-66-5-2 were crossed at Rice Research Station, Ambalantota expecting the maturity duration of 90-99 days and high yield white pericarp elite rice variety At 309. All growth, yield and quality parameters of the newly improved rice line were examined with stranded varieties. Variations of brown rice, head grains, gelatinization temperature, amylose content and major pest and disease reactions of the rice variety (At 309, At 306, At 308 and At 405) were screened. The experiment was laid out in randomized complete block design (RCBD), with four replicate and four rice varieties during the 2020/21 Maha. Analysis of variance was performed using STAR for Windows version 2.0.1 (IRRI 2014) and means were separated using LSD. Rice variety At 309 was recorded as significantly (p-value 0.05) lower amylose (15.5 - Low) rice variety which is effective to enhance the confectionary product quality improvement by avoiding the unnecessary water absorbance and making the appropriate cocking qualities with good texture. At 405 (17.2 - Low) rice variety was shown low amylose content most similarly to At 309. However, At 405 was not resistant to major pests and diseases. Although, rice variety At 309 was shown resistant to major pests and diseases such as Blast, Bacterial Leaf Blight, Gall Midge and Brown Plant Hoppers it was variety At 309 could be considered as most promising variety for the rice based confectionary production in the Sri Lanka. Published on 2022-06-30 00:00:00
       
  • Rice production under the organic fertilizer use policy in Sri Lanka

    • Abstract: Rice cultivation in the country dates back to time immemorial, though the rice production was not sufficient to meet the demand with the increasing population lately. Rice breeding work started during the last phase of the colonial era and continued with the green revolution in the 1960s. As a result, the national average yield improved from 0.75mt/ha during the colonial time to 4.82 mt/ha today. Improved varieties today are highly responsive to inorganic fertilizers, high tillering and high yielding with some insect and disease resistance. However, inorganic fertilizer use in the country since the 1950s resulted in soil degradation and was further aggravated by inappropriate mechanization and weedicide use. This led the department of agriculture to recommend the use of organic matter to supplement inorganic fertilizer applications to sustain production. The situation was viewed superficially and the government took a policy decision to ban the import of inorganic fertilizer and agrochemicals without any valid research data or suitable organic alternatives for pesticides, disregarding the high shriek from the eminent scientists and paddy farmers. Ad-hoc fertilizer recommendations provided to farmers and the use of alien fertilizer formulations without any field research data locally were either rejected or used sparingly by the farming community. This huge cry was later politicized and prevented the President to change his decision, though some flexibility was approved. Policy decisions ultimately ended up in huge rice imports, amidst a shortage of foreign currency, to prevent food shortages. Organic fertilizer sources are many though their availability individually is not adequate for the rice sector. There are many compost producers whose products vary in nutritive content from producer to producer and from batch to batch of the same producer. Thus, organic fertilizer standardization and providing a single fertilizer recommendation is impossible if not time and labor intensive and financially very expensive. However, a concrete single recommendation for organic fertilizer is not possible even with extensive field experimentation. Therefore use of organic fertilizer as a basal application alone with inorganic fertilizer to meet the peak nutrient demand at several stages of rice plant growth can be a good option to sustain rice production, of course after a minimum of two season’s adaptive field research. This paper reviews the pros and cons of sustainable rice production in the country under the organic fertilizer policy of the government. Published on 2022-06-30 00:00:00
       
  • A Review of Recent Changes in Rainfall Trend in Sri Lanka

    • Abstract: The rainfall trend provides useful information for effective planning, and management of water resources and agriculture which also gives an insight into the climate change of a region. The rainfall trend varies with the use of different data periods, and therefore, this review attempted to analyse only the recent rainfall trend over Sri Lanka using published literature. The review examined 15 recently published manuscripts for monotonic trends and statistical tests used. Overall, the review identified the increasing tendency of rainfall in the entire country prominently towards the eastern segment. The review also comprehends upward trends of First Inter-Monsoon and North-East monsoon over the country. It is proposed to introduce effective water management measures to harness the opportunities created by increased rainfall and preparedness measures to reduce the anticipated risk. Published on 2022-04-07 00:00:00
       
  • Inhibitory Efficacy of Microbial, Botanical and Synthetic Fungicides
           Against Athelia rolfsii (Sclerotium STEM ROT) of Groundnut and Bambara
           Groundnut

    • Abstract: Solutions for groundnut stem rot by Athelia rolfsii, which accounts for major groundnut and Bambara groundnut yield losses, were investigated. Three in vitro trials were set up to assess the inhibition of the growth of A. rolfsii using microbial, botanical and synthetic fungicides. The radii of A. rolfsii were measured and inhibition of growth were calculated. The inhibition of A. rolfsii by Trichoderma and Cladosporium spp. at 72 hours after inoculation (HAI) ranged between 28-82%. Inhibition of A. rolfsii by mancozeb (100% concentration) was significantly more than the control and the other pesticide rates at 144 HAI. The inhibition by all the synthetic fungicides ranged between 10-90%. Eucalyptus gum, plum seeds, bark of African locust bean tree extracts inhibited growth of A. rolfsii throughout. All plant extracts controlled A. rolfsii with the efficacy ranging between 8-100% inhibition. At 144 HAI, Eucalyptus (100% concentration) controlled A. rolfsii significantly more than all the other treatments, followed by Eucalyptus (50%) and Parkia bark (100%). Parkia 100% controlled A. rolfsii significantly more than other treatments followed by plum 100% and orange seeds 100%. Thus Sclerotium stem rot can be effectively managed using the Cladosporium cladosporioides, Trichoderma harzianum, mancozeb®, team® and plant extracts above. Published on 2022-04-07 00:00:00
       
 
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