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大豆打尖是增加产量的一项技术措施。据复县调查,凡是平肥地或施肥水平较高的山岗地,种中晚熟大豆品种,只要适时打尖,都能表现出分
Soybeans hit a sharp increase in production is a technical measure. According to the investigation of Fuxian County, where there is a high level of fertilizers or highland fertilizers, middle-late-maturing soybean varieties can show their points