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紫云英是金华专区各县主要冬季綠肥。近年来,金华专区不少生产队和国营农场,都先后进行过紫云英施用鈣鎂磷肥的試驗,均获得显著增产的效果。但由于施用鈣鎂磷肥时間不长,施用經驗不足,有許多地区在施用量和施用时期上还不够明确。为了更经济有效地施用鈣鎂磷肥,
Ziyunying Jinhua area is the main winter green manure. In recent years, many production teams and state-owned farms in Jinhua Prefecture have conducted tests on the use of calcium magnesium phosphate fertilizer in the milk vetch and have achieved remarkable results in yield increase. However, due to the short period of application of calcium magnesium phosphate fertilizer, lack of experience in the application, there are many areas in the amount and application period is not yet clear enough. In order to more cost-effective administration of calcium magnesium phosphate,