ama

AMA, Agricultural Mechanization in Asia, Africa and Latin America

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.



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Submission Deadline
08 Jun 2025 (Vol - 56 , Issue- 06 )
Upcoming Publication
30 Jun 2025 (Vol - 56 , Issue 06 )

Aim and Scope :

AMA, Agricultural Mechanization in Asia, Africa and Latin America

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:

Agricultural and Biological Sciences
Electrical Engineering and Telecommunication
Electronic Engineering
Computer Science & Engineering
Civil and architectural engineering
Mechanical and Materials Engineering
Transportation Engineering
Industrial Engineering
Industrial and Commercial Design
Information Engineering
Chemical Engineering
Food Engineering

Studies on effect of integrated nutrient management on growth and yield attributes of tomato (Solanum lycopersicum L.)

Paper ID- AMA-21-04-2025-13509

A field experiments were carried out to study the effect of integrated nutrient management on growth and yield attributes of tomato cv. Kashi Aman at Vegetable Research Farm, Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh during Rabi season 2020-2021 and 2021-22 in Randomized Block Design with twelve treatments. The treatments were allotted separately at random in all the three replications at distance of 60 × 50 cm. The results revealed that significantly highest growth and yield attributes were recorded with application of treatment T7-75% recommended dose of fertilizer + 25% vermicompost along with biofertilizers (Azospirillum + PSB @ 2.5 kg/ha each). However, maximum plant height at harvest was registered under (100%) recommended dose of fertilizer which was at par with treatment T7- (75%) recommended dose of fertilizer + (25%) vermicompost + biofertilizers inoculation (Azospirillum + PSB @ 2.5 kg/ha each).

Studies on Osmotic Dehydration and Air-Drying Characteristics of Aloe Vera (Aloe Barbadensis) Gel

Paper ID- AMA-09-04-2025-13500

In this study the effect osmotic dehydration followed by drying on the physicochemical properties of aloe vera (Aloe barbadensis) gel was evaluated. The aloe vera gel cubes were osmotically dehydrated in sucrose of concentration 40-60B at room temperature and at 40C. The osmotically dehydrated aloe vera gel cubes were then air dried and the quality characteristics of the dried gel cubes were studied. The osmotic dehydration kinetics revealed that the logarithmic model represented the mass transfer kinetics of the aloe vera gel cubes both. It was also observed that the increase in sucrose concentration and osmosis temperature increased the solid gain and water loss ratio in aloe vera gel cubes. The air-drying characteristics of the aloe gel cubes revealed that the osmosis time increased the drying rate irrespective of the sucrose concentration and osmosis temperature. Further, the osmosis time, temperature and solute concentration reduced the water activity of the aloe vera gel cubes after air drying. However, the rehydration ratio of osmo-air dried sample decreased significantly with the increase in sucrose concentration, time and temperature.

Development of Chlorine free Extracted Nanocellulose based edible coating for increasing shelf life of banana

Paper ID- AMA-09-04-2025-13499

This study optimized the extraction process, achieving a yield of 83% cellulose and 76% nanocellulose using 8% sodium hydroxide (NaOH) solution and 90% ascorbic acid. The methodology began with grinding 200–250 g of rice husk into a fine powder and adjusting its moisture content to 35% for efficient processing. The moistened sample is soaked and passed through a food extruder to break down its structure further. Alkali treatment with 8% NaOH at 50°C for 2.5 hours removes lignin and hemicellulose. The material is then washed with distilled water until neutral pH is achieved. Bananas, one of the most widely consumed fruits worldwide, are highly perishable, with a rapid ripening process that leads to significant postharvest losses. Enhancing their shelf life is crucial to reducing food waste, improving marketability, and meeting consumer demands for fresh produce. This study investigates the development of cellulose- and nanocellulose-based edible coatings, incorporating glycerol, Tween 80, katira gum, and distilled water in varying proportions, to evaluate their effectiveness in preserving banana quality during storage. The most effective composition contained 8% nanocellulose, 0.5% katira gum, 5% glycerol, 1% Tween 80, and distilled water. This formulation significantly delayed ripening, maintained firmness, reduced weight loss, and preserved overall quality by forming a uniform, thin layer that minimized moisture loss and reduced respiration rates.

Residual effect of rate of Phosphorus and Organic mulch on performance of summer sweetcorn crop in Meghalaya

Paper ID- AMA-02-04-2025-13494

The integrative use of residue mulch and phosphorous benefits the crop growth and yield through increased availability of nutrients, in turn improve nutrient uptake leads to increase in growth and yield. The experiment was conducted to study the residual effect organic mulching and residual phosphorous of preceding crop on summer sweetcorn crop. The experiment was conducted in split-plot design with three residual organic mulch levels (un mulch (UM), rice straw mulch (RSM, maize stover mulch (MSM)) and four residual rates of P (0, 40, 80, 120 kg ha-1) on growth, nutrient uptake and yield of sweetcorn. At the time of harvest of sweet corn RSM and MSM has reported 13.68 and 9.62% higher plant height, 20.35 and 8.89% higher dry matter content, 34.79 and 24.21% higher CGR, 12.31 14.54% higher RGR, 11.74 and 6.99% higher LAI and 21.68 and 18.87% higher NAR has been reported respectively over UM. Among the rate of P, P120 has reported 13.74% higher plant height, 14.87% higher dry matter accumulation, 28.16% higher CGR, 8.30% higher RGR, 7.54% higher LAI, 15.22% higher NAR has been reported over P0 treatment. Overall mulching along with increased rate of P has improved growth, nutrient uptake and yield of sweetcorn crop.

A STUDY OF ENDOCRINOLOGICAL PROFILE OF ESTROGEN, PROGESTERONE AND PGFM (13, 14-dihydro-15-keto-PGF2alpha) DURING ‘DOKA’ IN MURRAH BUFFALOES ( Bubalus bubalis)

Paper ID- AMA-01-04-2025-13493

Silent estrus is one of the most common problems in the buffalo farming industry. Quick and accurate estrus detection can reduce economic losses in the dairy sector. ‘Doka’ also referred as Temporary Engorgement of Teat (TET) is a behavioural pre-estrus sign which is characteristic of buffaloes. The present study was conducted with the objective to examine various endocrinological changes during ‘Doka’. The present study was conducted with the objective to examine endocrinological changes during ‘Doka’ in Murrah buffaloes. Non-pregnant lactating Murrah buffaloes (n=24) across parities maintained at ICAR-CIRB, Hisar in an organized dairy farm were divided into four groups with six animals in each group viz. Group I: Cyclic ‘Doka’, Group II: Cyclic without ‘Doka’. Group III: Acyclic ‘Doka’. Group IV: Acyclic without ‘Doka’. The present study confirmed that the cyclic ‘Doka’ and cyclic without ‘Doka’ animals had plasma progesterone levels of (>2ng/ml) while those in acyclic animals it was <1 ng/ml. The levels of plasma estrogen in ‘Doka’, cyclic, or non-cyclic animals across different groups were non-significant. However, ‘Doka’ showing animals have significantly high PGFM (13,14-dihydro-15-keto-PGF2alpha) concentrations (p<0.05) in comparison to cyclic without ‘Doka’ animals (4.32±0.29 vs 3.47 ±0.21ng/ml).