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WOS Indexed (2024)
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. Lizi Jiaohuan Yu Xifu/Ion Exchange and Adsorption Fa yi xue za zhi
18 Apr 2024 (Vol - 55 , Issue- 04 )
30 Apr 2024 (Vol - 55 , Issue 04 )
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
Effect of different shade nets on growth, yield, and quality of Palak (Beta vulgaris var bengalensis)
A research experiment was conducted at Vegetable Research Farm, Punjab Agricultural University, Ludhiana during the summer and rainy seasons of 2021-2022 to study the effects of colour shade nets on different parameters of palak (Beta vulgaris var bengalensis). The experiment was set up in a split-plot design, with three replications, utilizing seven different coloured shade nets (red, blue, black, white, green with 50% and 70% shade level and open condition) in the main plot and seven distinct sowing times at monthly intervals from mid-April to mid-October in the sub-plot. From the results, it was examined that air temperature and light intensity were significantly lower under the various coloured shade nets in comparison to open conditions. The palak exhibited varying characteristics based on the conditions of shade nets. Specifically, the duration for germination (4.2 days), plant height (31.8 cm), leaf length (21.6 cm), leaf area (47.1 cm2), and overall yield (134.0 q/ha) were most pronounced when a green shade net with a 50% shading level was used. Whereas, dry matter content (10.5%) and chlorophyll concentration (8.75 mg/100g), showed improved results when a white shade net and red shade net were employed, respectively. The maximum cost-benefit ratio of 3.28 was achieved specifically in crops sown in August under a green shade net with a 50% shade level. Overall, it was observed that green colour shade net with 50% shade level may be recommended palak cultivation during summer months in Punjab conditions.
Empirical Study on the Factors of Agriculture Production Function in Algeria
Identifying key factors of the production function in agriculture allows better management of resources, promotes growth, and contributes to the development of effective economic policies. Thus, the objective of the study is to identify the key elements of the production function in agriculture, focusing on Algeria between 2000 and 2022. In order to achieve that, the Cobb-Douglass functional form is used. Also, the assessment of factor elasticities is carried out using multiple regression models. The study shows that agricultural production in Algeria depends on several factors. The multiple regression's final results indicate that the factors relating to the following account for 76% of the total agricultural production: employment, number of machines, agricultural budget, imports, foreign direct investment and renewable energy consumption. The variables used in the final model are significant at the 1% and 5% thresholds. When analysing the elasticities of selected factors, the study found increasing returns of scale during the analysis period.
Analysis of relations between Agriculture, Economic Growth and Environment in Algeria, Empirical Study (2000-2022).
The objective of this contribution is to analyze the existing relation-ships between agriculture, economic growth and greenhouse gas emissions in Algeria during the period 2000-2022. A Principal Component Analysis (PCA) was applied to the study data in order to assess the possible positive role of agriculture (as a brake on climate change) in reducing CO2 emissions. The results indicated that both agricultural land and forest area contributed more to the increase in CO2 than to its reduction. The Granger causality test was adopted to test the causal relationships between agricultural production and economic growth, and between agricultural production and greenhouse gas emissions (all gases combined). The results revealed the existence of a unidirectional relationship between agricultural production and greenhouse gas emissions, and the absence of a bidirectional relationship between agricultural production and economic growth. Algeria should develop sustain-able agricultural policies that reconcile economic growth with the reduction of greenhouse gas emissions.
Impact of Various Edible Coatings on the Physical Parameters of Guava (Psidium guajava L.) Fruits over Different Storage Periods
The research was conducted to extend the shelf life of guava fruits through individual and combined application of different edible coatings viz,: olive oil (100%), sesame oil (100%), tulsi leaf extract, aloe vera gel (100%), chitosan (2%), calcium gluconate (2%) and sodium alginate (2%) during 2020-2021 to 2021-2022. To evaluate the effect of different edible coatings on physical parameters on guava fruits during different storage period. The experiment was laid out in completely randomized block design comprised of 20 treatments with 3 replications. The result showed that all the edible coatings were significantly effective for enhancing the shelf life of guava fruits in both the year as well as pooled data over to control. Among the treatments, olive oil 100% + chitosan 2% was recorded significantly minimum physiological weight loss (1.43, 2.98, 5.54, 9.13, 11.02, 13.17 and 16.46 %), Decay/ Spoilage (1.78, 9.37, 13.77 and 16.10 %) and Marketable fruit retained (98.23, 90.64, 86.24 and 84.76 %) at 2, 4, 6, 8, 10, 12 and 14 days after storage respectively, which was at par with olive oil 100% + sodium alginate 2% and olive oil 100% + calcium gluconate 2 % as compared to other treatments in pooled analysis. Therefore, it is concluded that the edible coatings have to potential to extend the shelf life.
Suppressive effects of maize rhizospheric fungi on Rhizoctonia solani f. sp. sasakii inciting banded leaf and sheath blight
We employed the classical microbiological methodology to isolate endophytic fungi inhabiting the rhizosphere of maize (Zea mays L.). Identification of these endophytic fungi was carried out using ribosomal DNA sequencing, aiming to uncover distinct distribution patterns of these organisms that persist asymptomatically within the healthy root tissues of maize plants. The dominant fungal species associated with the roots of the maize hybrid PHM-1 were Aspergillus niger, Aspergillus terreus, Cladosporium cladosporidies, Penicillium oxalicum, and Penicillium raperi. To assess their potential impact, an in vitro assay was conducted to evaluate these isolates against Rhizoctonia solani f. sp. sasakii, the causal agent of banded leaf and sheath blight (BLSB). This disease is particularly prevalent in tropical regions worldwide and poses a significant threat to maize cultivation. Notably, the Aspergillus and Penicillium complexes found in the maize rhizosphere exhibited promising efficacy in inhibiting this soil-borne disease affecting maize plants.