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2 有机肥不同等氮替代化肥比例玉米生育时期团聚体的分形维数（D） 不同小写字母表示不同处理间的差异显著（P<0.05）。下同

Fig.2 Fractal dimension of aggregates of during the growth period of maize with different equal nitrogen replacement of chemical fertilizer for organic fertilizers (D) Different letters in the same column mean significant difference (P<0.05) between different treatments, the same below