Farm management with organic materials on quality and chemical composition of soybean seeds cv. Chiang Mai 60
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Abstract
Farm management with organic materials is one of the sustainable agriculture practices following sustainable development guidelines (SDGs) to reduce impacts on health and the environment and increase efficiency in agricultural production in Thailand. This study investigated the effect of different organic materials in planting plots of soybean seeds cv. Chiang Mai 60 on seed quality and chemical composition. A completely randomized design with three replications was used. The experiment was divided into nine treatments consisting of: 1) control (without added organic materials), 2) chemical fertilizers (16-8-8), 3) straw, 4) cow manure, 5) chicken manure, 6) biochar, 7) biochar mixed with straw, 8) biochar mixed with cow manure, and 9) biochar mixed with chicken manure. The results showed that the different types of organic materials affected soybean seed quality, including seed weight, seed quantity, seed moisture, seed germination, and the protein and fatty acid content of soybean seeds. However, seed color was not significantly different among the applications of different organic materials. The cow manure application resulted in the highest seed weight, whereas the application of biochar and chemical fertilizers produced the highest quantity of good seeds. The use of straw in the soybean planting plot led to the highest seed moisture. The utilization of biochar mixed with cow manure and biochar alone resulted in the highest seed germination, which was not significantly different from the use of chemical fertilizers. The straw treatment resulted in the lowest protein content in the soybean seeds. Additionally, the highest fat content in soybean seeds was observed under the application of biochar and cow manure, with no significant difference from chemical fertilizers. This indicated that organic materials could enhance the seed quality and chemical composition of soybean seeds cv. Chiang Mai 60 to meet agricultural product standards for soybeans.
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References
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