【摘要】 以不施肥为对照，设置缓混肥基施、常规施肥、前氮后移和重施穗肥4种肥料运筹模式，研究肥料运筹模式对水稻茎蘖数、水稻产量和产量构成、氮肥利用效率和水稻吸氮量的影响。结果表明，缓混肥基施更有利于提高水稻单株秸秆重量、每穗粒重、千粒重和结实率；重施穗肥模式水稻地上部分的吸氮量最高；前氮后移可增加水稻茎蘖数和成熟期有效穗数，显著提升水稻产量和氮素农学利用率，是一种可有效提高水稻产量和氮肥利用率的施肥模式。更多还原

【Abstract】 Four type of fertilizer application models were set up, including controlled-release fertilizer basal application, conventional fertilization, partial tillering fertilizer nitrogen appllied as panicle fertilizer, and increased the application of panicle fertilizer, with no fertilization as the control to study the effects of each fertilizer application mode on rice stem tiller number, rice yield and yield composition, nitrogen fertilizer use efficiency, and nitrogen uptake in the aboveground part of rice. The results showed that the controlled-release fertilizer basal application without panicle fertilizer was more conducive to increasing the rice straw biomass per plant, grain weight per spike, thousand grain weight, and seed setting rate of rice; the nitrogen uptake of the aboveground part of rice was highest under the mode of increased the application of panicle fertilizer; the mode of partial tillering fertilizer nitrogen appllied as panicle fertilizer could increase the number of tillers and effective panicles at maturity in rice, and significantly improve rice yield and nitrogen agronomic efficiency, it is a recommended formula fertilizer application mode to improve rice yield and nitrogen fertilizer use efficency.更多还原