2005•System Sciences and Comprehensive Studies in AgricultureRequires access
Effect of potassium on the yield and quality of soybean
LI Zhao-lin
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Abstract
The effect of potassium on the yield and quality was studied in the field.The result showed that potassium had a positive effect on the factors of yield,a good effect on the yield and quality of soybean.With potassium application,the yield of soybean increased.An yield of dongnong343 increased to 2 727kg/hm~2 and that of heinong35 increased to 2 651kg/hm~2 when the amount of the potassium applied in field was 150kg/hm~2.The application of potassium fertilizer had a positive effect on oil content and a negative effect on protein content of soybean.