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:
The field experiment was conducted at Punjab Agricultural University, Ludhiana and University Seed Farm, Ladhowal, Punjab during rabi season of 2017-18 and 2018-19 with an aim to increase the pace of in-situ microbial decomposition of rice residues and stubbles using preplant dual sprays of two microbial cultures (Delftia or Aspergillus sp.) on happy seeder sown wheat. The experiment consisted of six nitrogen management techniques (kg/ha) in main plots and three microbial applications + an unsprayed control in sub plots and combinations of these were tested in split plot design with three replications. The meteorological indices viz., grain yield heat use efficiency (GY-HUE) and grain yield helio thermal use efficiency (GY-HTUE) were found to be maximum in N5 where nitrogen (N) was applied @ 150 kg/ha preceded by 3% urea spray on in-situ rice residue after paddy harvest. Maximum GY-HUE and GY-HTUE recorded in Delftia sp. i.e. M3. Minimum canopy temperature, maximum NDVI, 1000-grain weight and grain yield prevailed in N5 and M3 treatments. Treatment N5 produced 93.5% and 75.0% higher grain yield over control i.e. N1 at Ludhiana and 64.9% and 77.2% higher grain yield over N1 at Ladhowal during 1st year and 2nd year, respectively. Microbial culture in promoting rice residue decomposition and appropriate nitrogen application are crucial for wheat crop resilience and productivity in the face of changing climate scenarios.
This investigation was carried out in well adopted buffalo breed Murrah over a period of nine months, encompassing three seasons, to demonstrate the effect of cumin and molasses supplementation on thermographic profile of Murrah heifers at different anatomical locations viz., forehead temperature (°C), ear temperature (°C), elbow joint temperature (°C) and flank temperature (°C) during different season. A total of 24 Murrah heifers, maintained at Kathura village of Sonipat district (India) were selected and monitored for the thermal profiling at different anatomical locations of body using infrared thermography at monthly interval during hot dry and hot humid season using an IR camera (ThermaCamTM SC2000;FLIR Systems, Inc., Wilsonville, OR, USA). Thermograms were analysed by ThermaCamTM Researcher 2001 software (FLIR Systems AB, Danderyd, Sweden). Statistical analysis revealed that different supplement and seasons had significant (P<0.05) effect on body surface temperature at different anatomical sites. The magnitude of the increase in the IRT temperature at different anatomical regions of Murrah heifers was lower in the treatment groups compared to control group. The results of the study suggest that cumin and molasses can be used to alleviate heat stress in Murrah heifers.
The present investigation was undertaken at Department of Agricultural Botany, Vasantrao Naik Marathwada Krishi Vidyapeeth Parbhani. The experiment was carried out with the objective of estimation of correlation and path analysis. Initially, Parbhani Moti, the popular post rainysorghum variety, had been irradiated with gamma rays and ethyl methane sulphonate and their combinations at department of Agricultural Botany, VNMKV, Parbhani under a collaborative project with BARC, Mumbai. In M4 generation, 60 promising high yielding mutants derived from the above mutagenized population along with four checks were evaluated in eight environments. The pooled correlation revealed that, the grain yield per plant hadsignificant and positive correlation both at genotypic and phenotypic levels withplant height, stem girth, panicle length, panicle breadth, panicle weight, 1000grain weight, fodder yield per plant, biological yield per plant, harvest index. Onthe other hand, grain yield per plant had highly significant and negativecorrelation both at genotypic and phenotypic levels with days to 50 per cent flowering and internodal length. It indicates selection of these characters helps toenhance the yield.11. The grain yield per plant had non significant and positive correlation both at genotypic and phenotypic levels with days to maturity, leaf area, ironcontent, zinc content and non-significant negative correlation at genotypic andphenotypic levels with protein content.12. The path coefficient analysis revealed that, biological yield, and harvestindex at genotypic level while panicle weight, fodder yield and harvest index atphenotypic level exhibited high and positive direct effects on grain yield perplant. Thus, these characters turned-out to be the major components of grain yieldand direct selection for these traits will be rewarding for yield improvement.
Salinity stress is a major abiotic factor that adversely affects soybean (Glycine max) growth and productivity. Seed priming is a cost-effective and sustainable approach to enhance crop performance under stress conditions. This study investigates the potential of three seed priming agents, namely Salicylic acid (100, 250, 500, 1000µM), Potassium chloride (50, 100, 250, 500mM) and Paclobutrazol (100, 250, 500, 1000µM), in alleviating the negative impacts of salinity stress of 6dS/m on soybean seed growth and development. The physiological parameters such as, germination, mean seedling length, seedling dry weight, Vigor index-I and II and early vigor parameters viz, mean germination time, speed of germination and coefficient of velocity of germination were compared with hydro-primed and unprimed seeds. The results of the study demonstrated that when salicylic acid primed seeds at 1000µM were exposed to 6dS/m, has significantly enhanced the seed germination (80%) and other physiological parameters such as MSL (13.22cm), vigor index- I and II (977.86 and 1036) reduced MGT (2days) in a salt susceptible variety, SL958 as compared to KCl and Paclobutrazol. However, KCl at 100mM and PBZ at 500 µM had higher germination % as compared to other doses. Salicylic acid priming enhanced the antioxidant defense system, reducing oxidative damage caused by salinity stress. Hence, current findings suggest that the use of salicylic acid as a seed priming agents can be a promising strategy for mitigating salinity stress in soybean cultivation.
Twenty eight mungbean hybrids derived from 8 x 8 diallel excluding reciprocal crosses were studied to know the magnitude of heterobetiosis, standard heterosis and inbreeding depression for yield and its component characters in mungbean. The magnitude of heterobeltiosis and standard heterosis was high for seed yield, number of pods per plant, number of clusters per plant and number of primary branches per plant. The crosses Vaibhav x Asha for heterobeltiosis and K 851 x OUM 11-5 for standard heterosis showed significant and the highest value for seed yield and its important component traits. Only one heterotic cross i.e. K 851 x Pant-M 4 for seed yield did not show inbreeding depression for same trait. Further this cross did not show inbreeding depression for most of the characters.