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人们历来忽视蚕豆底肥尤其是氮肥的施用。为了明确蚕豆施用底肥的增产效果和经济效益,1982年我们作了不同用量氮、磷、钾单一作底肥和配合作底肥的试验。
People have always overlooked the application of broad bean base fertilizer, especially nitrogen fertilizer. In order to clarify the application of basal fertilizer yield and economic benefits, in 1982 we made a different amount of nitrogen, phosphorus and potassium as sole fertilizer and with the base fertilizer test.