旱区有机肥替代氮肥对多年连作土壤理化性质和马铃薯品质的影响

胡新元, 柳永强, 谢奎忠, 孙小花, 罗爱花

Effects of Organic Fertilizer Replacing Nitrogen Fertilizer on Soil Physical Chemistry Properties and Potato Quality under Continuous Cropping in Arid Area

Hu Xinyuan, Liu Yongqiang, Xie Kuizhong, Sun Xiaohua, Luo Aihua

表1 氮肥减量有机肥替代施肥

Table 1 Nitrogen reduction and organic fertilizer replacement kg/hm2

处理 Treatment N P2O5 K2O 有机肥 Organic fertilizer 传统施肥 Traditional fertilization (CK) 180 90 108 0 NR15/C5 162 90 108 288 NR30/C10 144 90 108 576 NR45/C15 126 90 108 864 NR60/C20 108 90 108 1152