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本文通过1988—1990三年研究,测定了大豆花荚期豆田蚜量与大豆产量的关系,并依据这种关系及目前大豆商品生产状况提出了新的豆田蚜虫防治指标。
Based on the three-year study of 1988-1990, the relationship between the amount of aphids and the soybean yield during the soybean pod-date was measured. Based on this relationship and the present soybean production status, a new control index of soybean aphids was proposed.