有机肥等氮替代化肥对红壤团聚体及玉米产量和品质的影响

周芸,李永梅,范茂攀,王自林,徐智,张丹,赵吉霞

Effects of Nitrogen in Organic Manure Replacing Chemical Nitrogenous Fertilizer on Aggregates of Red Soil, Maize Yield and Quality

Yun Zhou,Yongmei Li,Maopan Fan,Zilin Wang,Zhi Xu,Dan Zhang,Jixia Zhao

图1 有机肥不同等氮替代化肥比例玉米生育时期土壤水稳性团聚体分析 CK、M0、M10、M20、M30和M40分别代表不施肥处理、单施化肥处理、有机肥氮替代10%化肥氮处理、有机肥氮替代20%化肥氮处理、有机肥氮替代30%化肥氮处理、有机肥氮替代40%化肥氮处理;下同

Fig.1 Analysis of soil water stability aggregates in growth period of maize with different equal nitrogen replacement of chemical fertilizer for organic fertilizer CK, M0, M10, M20, M30 and M40 stand for no fertilization treatment, single application of chemical fertilizer, nitrogen of organic manure replacing 10% chemical nitrogenous fertilizer, nitrogen of organic manure replacing 20% chemical nitrogenous fertilizer, nitrogen of organic manure replacing 30% chemical nitrogenous fertilizer, nitrogen of organic manure replacing 40% chemical nitrogenous fertilizer; the same below