Quality And Yield Amelioration of Edamame By Integration Application Of Lime, Vermicompost And Rhizobium

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Tran Van Cuong , Nguyen Van Chuong


The posititve benifite of lime and vermicompost complement, which associated with Rhizobium inoculum on Arsenic (As) absorption and yield production of Vegetable Soybean cultivated on the As pollution soil and water was obtained the great results. The field study that was perfectly arranged in the urban commune of An Phu town from Jun to September of 2022 included five treatments and four replications. Treatment 1 (NPK:40-60-60 kg/ha, respectively); 2 (NPK + Rhizobium); 3 (NPK + 10t vermicompost/ha + Rhizobium); AD4 (NPK + 1.5t CaCO3/ha + Rhizobium) and 5 (NPK + 1.5t CaCO3/ha+10t vermicompost/ha + Rhizobium). The maximum productivity and productivity components of Vegetable Soybean was at additional treatments of the vermicompost and lime during the crop season. positive results of vermicompost alone or combined with lime and Rhizobium inoculum raised the Vegetable Soybean productivity from 9.50% (NPK+ 10 t vermicompost /ha), 11.3% (NPK+ 1.5 t CaCO3/ha) to 21.8% (NPK+ 10 t earthworm manure/ha+1.5 t CaCO3/ha cum Rhizobium) comparison with control (NPK only) and 2 (NPK and Rhizobium). The highest reduction percentage of soil As concentration was 35.4% in treatment 5 and lowest rate of 14.5% in treatment 1 comparision with before and after experiment. Further, the As concontration of vegetable soybean in bodies and in grains of treatment 3 got lower than 44.8 % in body and 33.3% in grains comparison with no lime or vermicompost application. the As absorption of Vegetable Soybean body and grain noticeably reduced in the additional treatments of lime, vermicompost to As polution soils.

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