氮素有机肥替代对高粱产量和土壤性质的影响

王海燕, 毕如田, 聂萌恩, 霍晓兰, 于志勇, 刘平

Response of Sorghum Yield and Soil Properties to Organic Nitrogen Substitution of Chemical Fertilizer

Wang Haiyan, Bi Rutian, Nie Mengʼen, Huo Xiaolan, Yu Zhiyong, Liu Ping

表1 不同处理有机肥和化肥的施用情况

Table 1 Application condition of organic fertilizer and chemical fertilizers under different treatments kg/hm2

处理 Treatment 化肥Chemical fertilizer 有机肥Organic fertilizer 总养分Total fertilizer N P2O5 K2O N P2O5 K2O N P2O5 K2O CK 0 0 0 0 0 0 0 0 0 HF 225 140 140 0 0 0 225 140 140 NF25 169 125 108 56 15 32 225 140 140 NF50 113 111 76 113 29 64 225 140 140 NF75 56 96 44 169 44 96 225 140 140 NF100 0 82 12 225 58 128 225 140 140