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水稻专用全元复混肥是在氮、磷、钾元素科学配比的基础上，适当添加中量元素、微量元素和水稻除草剂。为探讨该肥在龙海市对水稻的施用效果，与常规施肥法和进日复合肥比较肥效和经济效益，特设计本试验，旨在为推广全元复混肥提供科学依据。1材料方法试验示范于1997年早?..
All-purpose compound fertilizer for rice is based on the scientific matching of nitrogen, phosphorus and potassium elements, and appropriate addition of middle and trace elements and rice herbicides. In order to investigate the application effect of this fertilizer on rice in Longhai City, compared with conventional fertilization method and compound fertilizer, fertilizer efficiency and economic benefit were designed. This experiment was specially designed to provide a scientific basis for the promotion of all-inorganic fertilizer. 1 material method test demonstration in early 1997?