AMA, Agricultural Mechanization in Asia, Africa and Latin America (AMA) (issn: 00845841) is a peer reviewed journal first published online after indexing scopus in 1982. AMA is published by Farm Machinery Industrial Research Corp and Shin-Norinsha Co. AMA publishes every subjects of general engineering and agricultural engineering.
AMA, Agricultural Mechanization in Asia, Africa and Latin America (ISSN: 00845841) is a peer-reviewed journal. The journal covers Agricultural and Biological Sciences and all sort of engineering topic. the journal's scopes are in the following fields but not limited to:
Mustard (Brassica spp.) stands as India's second largest oilseed crop while mustard aphid infestations from Lipaphis erysimi Kalt. result in substantial crop yield losses. The sustainable approach to controlling pests involves the development of plants that are insect-resistant. Mustard secondary metabolites such as glucosinolates, phenols and sugars determine how aphids establish themselves and grow. The research team chose ten genotypes which included five resistant and five susceptible genotypes based on their Mean Aphid Index Value (MAIV) and Mean Aphid Multiplication Index Value (MAMIV). The research team conducted biochemical analyses on seeds, inflorescences, leaves and stems. RP-9 (73.91 μ mole/g dry wt.) seeds contained the most glucosinolate content among genotypes. The study found that MAMIV showed a strong negative correlation with higher glucosinolate content which resulted in lower aphid reproduction. RP-9 (3.04 mg/g dry sample) leaves contained the highest phenol content while MAIV and MAMIV displayed strong negative correlations with phenol levels in seeds and inflorescences. Sugar content was highest in RH-406 (17.95mg/g dry sample) seeds, which displayed a highly significant negative correlation with MAIV. The results demonstrate that plants develop resistance through specific tissue distribution of glucosinolates, phenols and sugars. This research suggests that these compounds can function as biochemical markers that breeders can use to create mustard genotypes that possess sustainable resistance against L. erysimi.
A field experiment was conducted during Rabi season 2019-2020 and 2020-2021 at Research farm, Indira Gandhi Agricultural University, Raipur (Chhattisgarh) in order to study the soil test based fertilizer recommendation for safflower crop on the basis of grain yield, nutrient uptake, and initial soil test data which were used forgenerating basic parameters, such as nutrient requirement, contribution of nutrients from soil, fertilizer, and organic manure. It was discovered that for a safflower crop to yield one quintal of grain, 3.99 kg of N, 0.94 kilogram of P, and 6.43 kg of K were needed.The fertilizer and soil test efficiencies for N, P, and K were 28.41, 18.33, and 138.70 percent as well as 15.75, 51.59, and 11.13 percent, respectively. For N, P, and K efficiency of FYM was calculated as 10.08, 5.21, and 8.12 percent, respectively. These factors were used to generate STCR based fertilizer prescription equations along with ready reckoners of fertilizer using FYM as the organic component of the INM technique for N, P2O5 and K2O at different soil fertility levels and yield targets of safflower for providing balanced fertilization.
Chhattisgarh, located in the central-eastern part of India, possesses a wide range of agro-climatic conditions and soil types that play a crucial role in determining agricultural productivity. This review presents an overview of the major soil orders found in the state and their implications for crop production. Entisols are generally shallow, coarse-textured, and low in nutrients, making them susceptible to erosion and suitable mainly for limited rainfed cultivation. Inceptisols are moderately developed soils with medium fertility, supporting a range of Kharif and Rabi crops under rainfed conditions. Alfisols are characterized by clay accumulation in the subsoil and moderate fertility, and they can sustain diverse cropping systems when managed properly. Vertisols, which are deep and rich in clay, are among the most productive soils but face challenges such as shrink–swell behavior, poor drainage, and deficiencies of certain micronutrients. To overcome these constraints and maintain long-term productivity, sustainable soil management practices such as integrated nutrient management, use of organic amendments, soil and water conservation measures, and crop diversification are essential. A clear understanding of the characteristics and limitations of these soils is important for developing site-specific management strategies that support sustainable agriculture and improve soil health in Chhattisgarh.
Moisture-dependent physical and thermal properties of charota (Cassia tora L.) seeds were evaluated at six moisture levels ranging from 5.13% to 28.55% (db) to generate engineering data relevant to seed handling and processing. Seed dimensions, including length, width and thickness, increased significantly with increasing moisture content, resulting in corresponding increases in arithmetic mean diameter, geometric mean diameter and test weight. Sphericity, surface area, volume and aspect ratio also showed statistically significant variation (p ≤ 0.05) across moisture levels. Bulk density and true density decreased progressively as moisture content increased, whereas porosity exhibited a non-linear trend, initially increasing and subsequently decreasing at higher moisture levels. The angle of repose increased consistently with increasing moisture, indicating reduced flowability of the seeds. The coefficient of friction varied with contact surface and was highest on rubber, followed by mild steel and plywood, and lowest on glass. Thermal conductivity increased with increasing moisture content, while thermal resistivity decreased correspondingly. The observed changes in physical and thermal properties highlight the strong influence of seed moisture on handling, storage and processing behaviour. These findings provide fundamental engineering parameters for the design and optimization of equipment for cleaning, grading, drying and storage of charota seeds.
The study was conducted on six clinical cases of diaphyseal femur fractures in dogs of both sex and age ranging from 6 months to 4 years. A Vet Fix system was developed for the present study. This system was used for management of unstable diaphyeseal fractures of long bones. Vet Fix provided axial stability and the clamp and screw controlled shortening and torsional forces. Cases presenting with the history and radiography suggestive of femur fracture were selected for this study. Based on the fracture plan made from preoperative radiographs the implants were selected. The Vet Fix system was applied on the lateral aspect of the femur. The rod was contoured to the shape of the bone during the time of surgery and the clamps were arranged depending upon the fracture configuration intraoperatively. Four dogs started normal weight bearing at rest but favoured affected limb while walking on the second post operative day. Two dogs started partial weight bearing at rest and did not bear weight on affected limb while walking. Primary healing was observed in four dogs. Two dogs showed uneven periosteal reaction with periosteal and intercortical callus indicating secondary healing in progress. The post operative complications encountered was loosening of distal clamp was noticed in one dog and migration of rod through the skin in one dog. Vet Fix system provided adequate stability in combination with ancillary implants such as intramedullary pin and cerclage wire.