水稻土有机肥与化肥配合施用的效应(之六)——施肥对稻田土壤肥力和水稻产量的影响

THE EFFECT OF MIXED APPLICATION OF ORGANIC AND INORGANIC FERTILIZERS IN PADDY SOIL (THE SIXTH REPORT)—The effects of fertilization on the fertility of paddy soil and the rice yield.

试验证明:有机肥与化肥配合施用比单施化肥,土壤有机质的量和质有所增加和改善;土壤全氮、有效氮、全磷、有效磷和有效铜的含量有所累积,而全锌、有效锌、全锰的含量略有下降,有效硼含量明显下降;土壤阳离子代换量有所增加,但酸度增强.水稻产量高而稳定,且后劲充足.

Experimental results showed that compared with the treatment of applying inorganic fertilizer only,the mixed application of organic and inorganic fertilizers increased the quan- tity of soil organic matter and improved its quality.The soil total nitrogen,available nitro- gen,total phosphorus,available phosphorus and available copper were accumulated,but the content of soil total zinc,available zinc and total manganese were reduced slighly,and the available boron was reduced remarkably.The CEC of soil was raised,but the soil acidi- ty was also raised.The rice yield was higher and more stable.