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在苏南稻田白土上进行四年有机和无机肥配合施用试验。结果表明,30%猪厩肥氮与70%无机氮配合施用处理的稻麦产量最高.而100%无机氮处理的稻麦产量低而不稳。有机无机肥配合施用处理的土壤有机质含量比无氮处理及100%无机氮处理有较大幅度增加.本文对不同施肥处理的土壤有机无机复合特性,土壤结合态腐殖质组成、土壤物理性状及土壤生物特性的变化等作了分析和讨论。
In southern Jiangsu paddy soil for four years of organic and inorganic fertilizer with the application test. The results showed that the yield of rice and wheat with 30% pig manure applied with 70% inorganic nitrogen was the highest, while the yield of rice with 100% inorganic nitrogen was low and unstable. Organic-inorganic fertilizers combined application of soil organic matter content than the non-nitrogen treatment and 100% inorganic nitrogen treatment has a substantial increase.In this paper, different fertilization treatment of soil organic-inorganic composite characteristics of soil bound humus composition, soil physical properties and soil organisms Features such as changes were analyzed and discussed.