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本文在阐明水稻氮需求、氮效应、稻田氮肥施用技术,及水分管理对氮肥效应的影响的基础上,提出了水稻氮肥施用应在适宜氮肥施用量的范围内,采取控前攻中施肥法,与水分管理结合,以水带肥,提高稻田氮肥效益。
Based on the elucidation of the effects of nitrogen demand, nitrogen effect, application of nitrogen fertilizer in paddy field and the effect of water management on the effect of nitrogen fertilizer, the paper put forward that nitrogen application in rice should be within the range of appropriate nitrogen fertilizer application, Combined with water management, water with water to improve the efficiency of paddy nitrogen fertilizer.