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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
05 May 2024 (Vol - 55 , Issue- 05 )
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
A novel method for real-time monitoring of rice blast applied to rice field pesticide applicator
Variable rate application is an effective way to realize low-pollution and high-efficiency use of pesticides. Real-time and accurate identification of disease information is a key prerequisite that affects the development of variable application technology. At present, the identification of diseases is mainly determined by the method of artificial field sampling, which not only is time-consuming and laborious, but also has disadvantages such as poor representativeness, strong subjectivity, and poor timeliness. Rice blast, which is the most severely affected by rice, is chosen as the object in this paper. Firstly, this paper proposes a rice blast online monitoring and real-time spraying system suitable for rice field sprayer. The pesticide will be sprayed according to the severity of the disease during the sprayer doing field inspections. Secondly, existing convolutional neural networks have slow convergence speeds in the identification of small samples of rice blast, which is prone to problems such as over-fitting. To solve the meaning problem, this paper proposes a rice blast monitoring algorithm based on migration learning. The knowledge learned by the VGG-16 network on the ImageNet image data set is transferred to this model, and a brand-new fully connected layer is designed. Finally, experiments show that the accuracy of the constructed rice blast identification model can reach 97.18%. It provides a reference for the intelligent diagnosis of diseases.
Optimal design of a reciprocating shearing harvester for harvesting safflower filaments
The difficulty of harvesting safflower filaments is a problem for the development of the safflower industry. In this research, a harvester that uses reciprocating shearing to harvest safflower filaments was developed and then tested by harvesting No. 5 Yumin stingless safflower plants in Xinjiang. Whether to install fixed blades, the DC motor speed, and the installation angle were the test factors, and the net harvest rate and impurity content were the response indices. The optimal parameter combination was obtained by a quadratic orthogonal regression test. The optimal parameters were DC motor speed of 150 r/min, installation angle of 45° and fixed blades. In field testing, the harvesting rate of safflower filaments was greater than 95%. The test results were close to the predicted values, and the model was verified as effective.
A Study on Livelihood Security of respondents in Adoption and Acculturation of Digital Technologies in NCR Region of Haryana state
The present study was conducted in Karnal, Rohtak and Jhajjar districts of Haryana state covering 360 respondents. Results showed that majority of the respondents had availability of refrigerator, sickle, scooter/motorcycle, accessed safe drinking water within the premises, had toilets within their house with flush type of sanitary latrine, had electricity and separate space for cooking and were using LPG for cooking. Overall Livelihood Security was found medium in all the selected three districts. Therefore, in case of significant and positive correlation of independent variables with livelihood security indicators, the null hypothesis (Ho) was rejected in relationship between independent and livelihood security of farmers. Livelihood security had significant and positive relationship with z value at 5 per cent level of significance which showed that it is between -1.96 to +1.96, therefore, the data falls between the acceptance region, that’s why null hypothesis is accepted.
A Novel Soilless Culture Facility and Root Zone Temperature Control System
Soilless cultivation is a way to overcome the obstacles of continuous cropping, secondary salinization and other issues. Due to the weak buffering capacity of root microenvironment and high sensitivity for changes in the environment, the control of root zone temperature is difficult. A novel type of soilless culture facility was designed to solve the above problem, which was composed of soilless cultivation trough, cultivation bracket, water and sewer pipelines, and temperature control system. Three experiments were taken to test its control performance,1) By the experiment on temperature control performance test of flow water, it was validated that the designed soilless culture facility could control flow-through water temperature effectively and accurately 2) After finishing the experiment on temperature control performance test of culture substrate in cultivation tank, it could be verified that the novel soilless cultivation facility could control the temperature of culture substrate in cultivation tank accurately and effectively 3) The experiment on lettuce growth under the effect of root zone temperature control was done, which could prove that root zone temperature affects crop’s growth directly. Experimental results showed the practicality and the reasonability of the novel soilless culture facility and its root zone temperature control system.
Socio-Economic and Communication profile of respondents on adoption and acculturation of digital technologies
The present study was conducted in Karnal, Rohtak and Jhajjar districts of Haryana state covering 360 respondents. Results showed that the respondents were from age group 36-50 years who belonged to general caste and educated up to middle school were married. They belonged to joint families and had small sized families having up to 4 members in a family with involvement in farming. The respondents had less than 2.5 acre of land which was fully irrigated and had owned pump/bore/tube well as irrigation source. They had pucca house with an annual income more than Rs. 2 lakhs and had more than 10 years of farming experience. Majority of the respondents had access and high utilization to mobile phone and internet.