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. Azerbaijan Medical Journal Gongcheng Kexue Yu Jishu/Advanced Engineering Science Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery Interventional Pulmonology Zhenkong Kexue yu Jishu Xuebao/Journal of Vacuum Science and Technology Wuhan Ligong Daxue Xuebao (Jiaotong Kexue Yu Gongcheng Ban)/Journal of Wuhan University of Technology (Transportation Science and Engineering) Zhonghua yi shi za zhi (Beijing, China : 1980)
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:
The effects of growing seasons on the enzymatic activities (alpha amylase and dehydrogenase) of seeds of five sesamum genotypes viz., Uma, Amrit, Nirmal, CUMS-17 and Prachi in six developmental stages (7, 14, 21, 28, 35 and 42 days after anthesis) were investigated. The experiment was conducted in the Department of Seed Science and Technology, Odisha University of Agriculture and Technology (OUAT), Bhubaneswar during 2014-16. The alpha amylase and dehydrogenase activities in the developing seeds increased consistently till 35 days after anthesis (DAA) after which there was slight decrease in values of these traits up to maturity (42 DAA). Among the varieties, Prachi registered the highest alpha amylase activity (140.25 µg/g) followed by CUMS-17 (137.00 µg/g) at physiological maturity stage (35 DAA) and Uma had the lowest value (124.25 µg/g). Among the growing seasons, the kharif seeds had the highest alpha amylase activity (140.75 µg/g) followed by summer (131.50 µg/g) and rabi (122.65 µg/g). Among the sesame varieties studied, the dehydrogenase activity was found to be highest in Prachi and CUMS-17 (0.36 mg/g and 0.33 mg/g) and lowest in Uma (0.28 mg/g). The harvested kharif seeds registered the highest dehydrogenase activity (0.34 mg/g) followed by summer (0.30 mg/g) and rabi (0.29 mg/g) seasons.
A field experiment was conducted during the spring–rainy (kharif) season of 2019 on a pearlmillet–mungbean cropping system at the Department of Agronomy, Anand Agricultural University's college agronomy farm Gujarat, India. The objectives of this study were to investigate the direct effect of organic sources, inorganic fertilizers and liquid biofertilizer to applied pearlmillet on soil physical, chemical and biological properties after harvest of pearlmillet crop in a pearlmillet–mungbean cropping system. The experiment with ten treatments was laid out in a completely randomized block design with four replications. The direct effects of different nutrient management practices applied to pearlmillet were significant (P<0.05) on the water holding capacity of the soil, electrical conductivity, organic carbon, cation exchange capacity, available NPK & sulphur. The direct effect of nutrient management practices on soil pH and bulk density found non-significant. The soil microbiological properties were significantly improved, including the population of total bacterial, Azotobacter, phosphate solubilizing bacteria (PSB), microbial biomass carbon and dehydrogenase activity of soil after harvest pearlmillet crop. Application of 100 % RDF + 15 t FYM ha-1 + Bio NP consortia (T5) significantly improved the soil available nutrients and cation exchange capacity.
Soil phosphorus forms have been practically defined as chemically fractionated pools. A knowledge of the phosphorus fraction in soil and factor affecting them will lead to better soil management. The aim of study is to investigate study the effect of phospho enriched compost and fertility levels on different fraction of phosphorus. The experiment was undertaken during Kharif 2018 and 2019 at Instructional Farm (Agronomy), Rajasthan College of Agriculture, Udaipur (Rajasthan). The treatments comprised of four levels of phospho enriched compost (PEC) i.e. control, PEC @ 2.0, 4.0 and 6.0 t ha-1 and four levels of fertility i.e. control, 50% RDF + foliar spray of Zn 0.5%, 75% RDF + foliar spray of Zn 0.5% and 100% RDF + foliar spray of Zn 0.5% kg ha-1. The extractable-P, total-P, organic-P, saloid bound-P, aluminium bound-P, iron bound-P, calcium bound-P, reductant soluble-P, iron + aluminium bound-P, carbonate bound-P, occluded-P in soil at harvest stage of crop ware increased significantly with increasing levels of phospho enriched compost during both the years and in pooled analysis. The chemical pools of phosphorus viz. extractable-P, total-P, organic-P, saloid bound-P, aluminium bound-P, iron bound-P, calcium bound-P, reductant soluble-P, iron + aluminium bound-P, carbonate bound-P, occluded-P in soil increased significantly with application of fertility levels with foliar spray of zinc.
In view of the problems of low fertilization efficiency of conventional fertilizer applicators, easy clogging of organic fertilizer, and difficulty in mixing organic fertilizer and chemical fertilizer, a hanging deep watermelon organic fertilizer applicator is designed, which realizes a single operation process to complete the opening of fertilizer ditch and chemical fertilizer. The mechanized duplex operation of organic fertilizer mixed deep application and trench soil backfilling. Through the combined design of the crushing knife group and the auger fertilizer discharger, the pulverization and uniform transportation of organic fertilizers are realized the mechanized mixing and deep application of organic fertilizers/chemical fertilizers are realized, and precise control can be performed according to the nutrient requirements of watermelon. The ratio of organic and chemical fertilizers. The performance test shows that the working parts of the watermelon organic fertilizer deep applicator run stably. The field test shows that the fertilizer particles are evenly distributed, among which the distribution stability coefficient of organic fertilizer is ≥91.65%, the stability coefficient of chemical fertilizer distribution is ≥93.28%, and the distribution of mixed fertilizer The stability coefficient is ≥ 93. 70%, which meets the production requirements of watermelon.
A study was carried out during Rabi (winter) season of 2017-18 and 2018-19 at Research Farm, CCSHAU Regional Research Station, Bawal, India to find out cost effective weed management technique through mechanized interculture in chickpea with modifications in row spacing. The experiment consisted to nine treatments and laid out in randomized block design replicated thrice. The crop was infested with Chenopodium album, Chenopodium murale, Anagallis arvensis, Phalaris minor etc. Two mechanized interculture with tractor drawn cultivator 30 and 60 DAS under 60 cm row sopacing was found cost effective and more profitable seed yield of 1.65t/ha, and 26 % lesser cost of cultivation; 25 % higher net returns; and B:C ratio of 2.14 compared to the recommended manual interculture with Kasola at 25-30 and 45-50 DAS under 45cm row spacing over two years (2017-18 and 2018 -19). WCE of two mechanized interculture with tractor drawn cultivator or power weeder ranged from 59-63 % in comparison with 70 % observed under recommended two interculture with Kasola. Uncontrolled weeds throughout the crop season caused yield loss of 53 % over study period.