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１．及早间苗。农谚说：“间苗早一寸，顶上一茬粪”。间苗对机械条播或大犁扣种手摇豆尤为重要，间苗后幼苗分布均匀合理，及时防止苗欺苗现象，可减少土壤养分和水分消耗，使幼苗发育均衡健壮，从而提高大豆产量。间苗一般在大豆幼苗期两片对生单叶平展、有复叶出现时期进行
1. And early seedlings. Agricultural proverb said: “Miao Miao an inch earlier, the top of a stubble.” The seedling on the mechanical stripper or plow buckthorn handcuffed beans is particularly important after the seedlings evenly distributed seedlings reasonable and timely to prevent seedling bullying phenomenon can reduce soil nutrient and water consumption, so that balanced seedling development robust, thereby increasing soybean production. Thinning seedlings usually in the soybean seedling two single flat, with the occurrence of complex leaves