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WOS Indexed (2023)
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. 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)
24 Mar 2023 (Vol - 54 , Issue- 03 )
31 Mar 2023 (Vol - 54 , Issue 03 )
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 Asia Life Sciences Interventional Pulmonology 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
Industrial Engineering Teikyo Medical Journal Connected Health Tagliche Praxis Bulletin of National Institute of Health Sciences Journal of the Austrian Society of Agricultural Economics
Industrial and Commercial Design International Medical Journal Technology Reports of Kansai University Asia Life Sciences Open Access Journals Tobacco Science and Technology
Information Engineering Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science) Tobacco Science and Technology Teikyo Medical Journal Connected Health International Medical Journal Technology Reports of Kansai University
Chemical Engineering Open Access Journals Tagliche Praxis Bulletin of National Institute of Health Sciences Journal of the Austrian Society of Agricultural Economics Azerbaijan Medical Journal
Food Engineering 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) Zhongguo Shiyou Daxue Xuebao (Ziran Kexue Ban)/Journal of China University of Petroleum (Edition of Natural Science)
Epidemiology Effect of Weather on Alternaria Blight Disease of Tomato
Alternaria blight incurring loss both at pre and post-harvest stages in tomato caused by Alternaria alternata become an important constraint for tomato producers in Rajasthan. The severity of this disease generating significant economic losses in crops has been increasing daily for the last few years in Rajasthan due to environmental changes. Field experiments were carried out to examine the development of Alternaria blight in tomato relevant to weather conditions during zaid 2017 and 2018 at SKNAU Jobner (Jaipur). Results showed that maximum temperature (r= 0.9032 Unit in 2017 and 0.8893 in 2018), minimum temperature (r=-0.8590 in 2017 and 0.8512 in 2018), relative humidity maximum (r=-0.6184 in 2017 and -0.8562 in 2017), relative humidity minimum (r=- 0.6840 in 2017 and -0.5477 in 2018) and rainfall (r=-0.6161 in 2017) had shown significant negative correlation with disease severity index (DSI). The mean value of the minimum and maximum temperature during this period ranged from 15.630C to 35.740C and 15.750C to 36.240C during 2017 and 2018, respectively. Development of disease observed in favourable mean relative humidity ranging from 25.33 to 63.00 and 16.66 to 58.00 per cent. The coefficient of multiple determinations (R2) was 74.50 and 92.40 per cent during 2017 and 2018, respectively.
Resource-Use-Efficiency In Sweet Corn Based Intercropping Systems Under Irrigated Conditions Of Kashmir Valley
A field trial was conducted during Kharif season of 2017 at the Agronomy Research Farm, Faculty of Agriculture of Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura to evaluate the resource-use-efficiency of intercropping of sweet corn (Zea mays L. saccharata Sturt) with Rajmash (Vigna vulgaris L.) and soybean (Glycine max L. Merril). The intercrops were grown in additive series with sweet corn as regular rows of 1:1 and paired rows of 2:1 and 2:2. The experiment was laid out in randomized block design having three replications. Among intercropping, sweet corn grown in association with soybean in 1:1 row ratio recorded significantly higher values of growth parameters such as LAI and percent PAR intercepted. The resource-use efficiency in terms of radiation use efficiency and irrigation water-use efficiency were significantly highest with sweet corn + soybean (1:1) intercropping followed by sweet corn + bean (1:1). From the present study, it was concluded that intercropping of sweet corn with soybean in regular rows of 1:1 ratio could achieve higher productivity and profitability among different intercropping systems.
DECISION-MAKING APPROACHES TO TRACTOR SELECTION USING TOPSIS AND WASPAS METHODS
Conducting evaluations according to various criteria during decision making can be accomplished using special multicriteria decision-making methods (MCDM). MCDM comprise approaches and techniques that attempt to reach the “most appropriate” solution that meets more than one conflicting criterion. Multicriteria decision analysis has been used in a wide variety of fields, such as energy management, environmental planning, public services, healthcare, transportation, logistics, marketing, human resources management, and finance. There are also studies within the field of agriculture and during the selection of farm equipment, such as tractors; however, not in sufficient quantity. Making decisions using MCDM on agricultural issues will provide better information to farmers to help them make informed buying decisions. The aim of the present study was to choose the most suitable tractor based on the factors and criteria that farmers consider during tractor selection using MCDM. For this, two MCDM were used—technique for order preference by similarity to ideal solution (TOPSIS) and weighted aggregated sum product assessment (WASPAS). Interviews were conducted with farmers and sales personnel to determine and evaluate the criteria, and the methods were implemented and ranking was determined based on the data received.
Structural design of the Venturi fertilizer tube used in side-deep fertilization device for rice paddies and its simulation experiment by Fluent
Venturi tubes are widely used as feeders in pneumatic conveyance systems because of their effect of accelerating gas flow in the tube and sucking the material from the feed port. Based on the principle of Venturi effect, a Venturi fertilizer tube for use in a side-deep fertilization device with the pneumatic conveyance system in rice paddies was designed in this paper. The airflow field in the new Venturi fertilizer tube was then simulated to test its effect of accelerating gas flow and its ability to suck fertilizers from the feed port, using the computational fluid dynamics (CFD) software, Fluent. The key structural parameters of the Venturi fertilizer tube are as follows: airflow inlet and outlet diameter (21.6 mm), contraction angle (21°), diffusion angle (8°), throat diameter (15.12 mm), throat length (15.12 mm). The simulation results showed that the maximum velocity at the throat section and the diffusion section in the Venturi fertilizer tube is 52.03 m/s, and the maximum velocity at the outlet is 40.8 m/s, which is 2-3 times the velocity of the airflow inlet. This clearly illustrates the acceleration effect on the gas flows. There is also a weak airflow movement from top to bottom generated by differential pressure at the feed port, and the maximum gas velocity is 5.8m/s at the bottom of the feed port. Therefore, the Venturi fertilizer tube can draw the fertilizers from the feed port by suction. In conclusion, the behavior of the Venturi fertilizer tube designed in this paper is consistent with the principle of Venturi effect, which verifies the rationality of its structural design. This research provides guidelines for designing the structure and optimizing the design parameters of a Venturi fertilizer tube in a side- deep fertilization device with the pneumatic conveyance system for rice paddies.
Effect of Integrated Nutrient Management on Yield and Yield attributes of chilli (Capsicum annuum L.)
India is the largest producer, consumer and exporter of chilli. The imbalance and continuous use of chemical fertilizers has detrimental effect on soil physical, chemical and biological properties thereby affecting the sustainability of crop production, besides causing environmental pollution Therefore, there is an urgent need to limit the usage of chemical fertilizers and the usage of organics should be increased which is needed to check the yield and quality levels. Keeping this in view, the present investigation was undertaken during the summer season of 2019-20 at the Research Farm of the Department of Vegetable Science, CCS Haryana Agricultural University, Hisar, Haryana to evaluate the effect of integrated nutrient management on the yield and yield attributes of chilli. The Seed material of chilli cv. “Kashi Anmol” was grown with thirteen different treatment combinations. The experimental results revealed that the application of Recommended NPK + Vermicompost @ 2 t/ha + Azotobacter (T3) which was at par with treatment T5 (50 % NPK + FYM @ 12.5 t/ha + Vermicompost @ 2 t/ha + Azotobacter) and T4 (Recommended NPK + FYM @ 12.5 t/ ha + Azotobacter) and performed superiorly over the other treatments with remarkably higher values for yield and all the yield attributes viz., fruit length (cm), fruit girth (cm), number of fruits per plant and average fruit weight (cm). Therefore, to reduce the cost of chemical fertilizers with maintaining sustainability of soil fertility and for higher yield and benefit-cost ratio the chilli crop may be supplied with 50 % Recommended NPK + FYM @ 12.5 t/ha + Vermicompost @ 2 t/ha + Azotobacter as per treatment (T5). During the investigation the net returns and benefit cost ratio was also found higher in these treatments.