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.
WOS Indexed (2025)
27 Nov 2025 (Vol - 56 , Issue- 11 )
30 Nov 2025 (Vol - 56 , Issue 11 )
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
Price Volatility of Futures and Spot Market of Agricultural Commodities: An Evidence from Rajasthan
Volatility transmission is a crucial price phenomenon that influences upstream production and downstream consumption in agricultural commodity markets. However, existing studies offer little evidence on how agricultural products are related to price volatility transmission along the agricultural market chain. The present study investigates the volatility dynamics in spot and futures markets of selected commodities. The time series data on monthly price of pearl millet and cluster bean required for the study was collected from the registers maintained in these selected APMCs of respective District from the year 2015-16 to 2020-21. For the period of six years viz. 2015-16 to 2020-21 monthly future and spot prices of selected agricultural commodities were collected from National Commodity and Derivative Exchange (NCDEX). We adopt ARCH and GARCH models to evaluate the time evolution of price volatility transmission. Empirical results indicate that the future price of a commodity will have a bearing on the current price. Understanding volatility gives a much better indication of the future prices than anything else. However, we find little evidence of price volatility transmission along the pearl millet and cluster bean markets. Our findings suggest that the volatility shocks in the prices of selected crops were persistent in the selected markets of crops and prices of cluster bean show more volatility than pearl millet.
Price sustainability in marketing and processing of Papaya: An Economic Analysis
In this study, we investigated the monthly wholesale price of papaya in Jaipur, Rajasthan. The study is based on primary data to explore the market power of papaya wholesalers and secondary data on papaya prices and arrivals at A.P.M.C. in Muhana mandi, Jaipur, for 10-years that is From 2007-08 to 2016-17. As a result, market power was measured by two of the indices, the concentration ratio (CR) and the Herfindahl-Hirshman index (HHI). The analysis found the selected markets to be significant, showing an upward trend in papaya prices range in the target markets. The results of the cyclical variation of papaya wholesale prices in Muhana Mandi showed a cycle of 4 years (2010-11 to 2014-15). Irregular fluctuations showed no particular periodicity in the repetitions in mandi selected for papaya. The Seasonal Price Index provides a measure of month-to-month variation in papaya prices. As for the price index, the seasonal index was highest in month of July and lowest in month of December at 109.89 and 89.43 respectively whereas, the arrivals index was inverse [peaked in December (170.42) and its lowest in July (61.87)] during the study period. An increase in the seasonal price index was observed in July when arrivals were low. Setting up a papaya processing unit requires an average of $ 294.67 of machinery and equipment. The average total cost of a papaya processing unit was $ 3265.39 ($ 1.04/kg). The average gross income for the papaya processing sector was $ 4013.03 ($ 1.28/kg). During the study period, the establishment of a papaya processing unit was profitable and financially feasible. NPW was positive, BCR was ≥1 in all treatment units, and PBP was also reliable. The main problems faced by sellers and processors were rising rental prices, rising transportation costs, rising electricity supply, high market charges and fees, labor shortages and raw material supply shortages.
Evaluation of Lipolylic characteristics of cow and buffalo curd prepared using select autochthonous lactic acid bacteria
The aim of this study was to evaluate the lipolytic characteristics of curd in industrial and home production it is the presence and chemical state of milk fat that impart characteristic physical chemical and sensory properties to most of the dairy products. Flavor enhancement that occur are due to proteolysis, lipolysis and glycolysis. It is well known that curd cannot be kept for long at ordinary conditions. Therefore different methods are applied to restrict the growth of undesirable microorganisms. One of the valuable properties of starter culture is their ability to inhibit growth of undesirable microorganisms... It is necessary to identify the cultures Lysis of lactic acid bacteria plays a crucial role in dairy fermentation and ensures the involvement of the intracellular starter enzymes, particularly fatty acids, in the gradual process of curd flavour formation. A direct correlation exists between the stability of cell walls and accumulation of bitter flavour in cow curd and buffalo curd. In Industrial and home production it is the presence and chemical state of milk fat that impart characteristic physical chemical and sensory properties to most of the dairy products. Lower lipolytic activity was observed in the curd samples prepared using Lactococcus lactis subsp. lactis biovar diacetylactis. The highest lipolysis was observed in the curd samples prepared using Lactococcus lactis subsp. cremoris. On storage of curd samples at refrigeration temperature 5.00 ± 0.5ºC the free fatty acid contents were high in the B1Lc curd sample. It was found that the free fatty acid contents was low in C2Ld curd samples.
Compatibility of native species of entomopathogenic nematode, Steinernema abbasi (Nematoda: Rhabditida) with pesticides registered in India
This paper reports the compatibility of native species of entomopathogenic nematode, Steinernema abbasi with pesticides (ten insecticides, six fungicides and six herbicides) that are registered for agricultural use in India. It was investigated how these chemical pesticides affected the viability and virulence of infective juveniles (IJs) of S. abbasi when exposed directly to them at recommended concentrations. After the IJs were subjected to the intended pesticidal concentrations, which was highest recommended dose specific to the type of pesticide, up to 72 hours, data on their survivability was documented. Thereafter, infectivity of the surviving IJs was documented by inoculating them on 4th instar larvae of Galleria mellonella under laboratory conditions. With the exception of cartap hydrochloride (100%) and acetamiprid (19.1%) among insecticides, carbendazium + mancozeb (23.5%) and tricyclazole (14.1%) among fungicides and pendimethalin (19%) and 2, 4 - D sodium salt (11%) among herbicides, all the tested pesticides showed less than 10% nematode mortality after 72 hours of exposure. The tested pesticides had no negative effect on the pathogenicity of IJs, since 100% mortality of Galleria mellonella larvae was observed in each treatment after 72 hours of inoculation. The experimental findings of this work are noteworthy in light of future prospects for combination treatments under the Integrated Pest Management programme against economically important insect pests of crops.
Evaluation of Physico-Chemical Characteristics of Different Varieties of Pearl Millet
Millet constitutes one of the most reliable dry-season crops in terms of global agricultural production. Pearl millet is the main millet crop grown in India. The present study was undertaken to investigate the physico-chemical composition of five different varieties of pearl millet. The evaluation of five different varieties viz; Pusa composite (383), Pusa composite (701), Dhanshakti, MBC-2 and Local variety-ACRA for physical parameters (seed weight, seed density, swelling capacity and swelling index), chemical parameters (moisture, crude protein and ash content) and antinutritional parameters (phytic acid and polyphenols) was carried out. The highest seed weight (11.87 g), seed density (1.24 g/ml), swelling capacity (0.65 5) and swelling index (0.55 %) was exhibited by Dhanshakti variety, whereas the lowest was observed in Local variety-ACRA. Maximum moisture content was observed in Local variety-ACRA (11.23 %), crude protein and ash content (11.13 and 1.87 %), respectively recorded in Dhanshakti. In contrast, the highest values for phytic acid (765.96 mg/100 g) and polyphenols (601.73 mg/100 g) were found in Local variety-ACRA.