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为了探讨油菜施用包膜复混肥的增产机理。采用多地区田间小区试验,研究了包膜肥料对油菜产量、生物量、根茎比、秸秆产量比的影响。结果表明,与普通复混肥相比,全量包膜复混肥油菜平均产量为每公顷2501千克,比全量普通复混肥平均增产13.72%,半量包膜复混肥平均产量为每公顷1690千克,比半量普通复混肥平均增产6.34%;包膜复混肥的突出作用主要体现在油菜生长后期,能够更好地为油菜生长提供养分。
In order to explore the rapeseed application of coated compound fertilizer production mechanism. Using multi-area field plot test, the effects of coated fertilizers on rapeseed yield, biomass, rhizome ratio and straw yield ratio were studied. The results showed that compared with ordinary compound fertilizers, the average yield of full-covering compound fertilizers was 2501 kg per hectare, an average increase of 13.72% over the total amount of ordinary compound fertilizers and an average yield of 1,690 kg per hectare , An average increase of 6.34% compared with the half amount of ordinary compound fertilizer. The prominent role of coated compound fertilizer is mainly reflected in the later stage of rapeseed growth, which can better provide nutrients for rapeseed growth.