商品有机肥替代化肥对南粳46生长的影响

Study on the Effect of Commercial Organic Fertilizer Substituting Fertilizer on the Growth Characteristics of Nanjing 46

通过开展不同比例的商品有机肥替代化肥试验,研究商品有机肥替代化肥对南粳46的分蘖数、SPAD值、产量以及加工品质的影响。结果表明:25%商品有机肥替代化肥处理,能有效增加南粳46的有效分蘖数,进而提高产量;有机肥的运用改善了稻米加工品质,主要表现在其糙米率、精米率和整精米率的增加。

In this study,the effects of organic fertilizer substitution fertilizer on rice tiller,SPAD value,yield and processing quality were analyzed by setting different comparative organic fertilizer instead of chemical fertilizer.The results showed that the substitution of 25%organic fertilizer could effectively increase the effective tiller number of nanjing 46 and improve its yield.And the improvement of rice processing quality is mainly reflected in the increase of brown rice rate,precision rice rate and whole rice rate.