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在保证水稻生长发育营养总需求的前提下,研究部分基肥后移改为追肥施用对水稻产量的影响。结果表明:养分后移对有效穗、结实率、千粒重等主要经济性状无明显影响,但对穗总粒数影响较为明显,且有效提高水稻单产。
Under the premise of ensuring the total nutrition of rice growth and development, the effect of partial basal fertilizer conversion to topdressing on the yield of rice was studied. The results showed that nutrient regain had no significant effect on the main economic traits such as effective spike, seed setting rate and 1000-grain weight, but had obvious effect on the total grain number of the ear and effectively increased the yield of rice.