控失尿素减施及不同配比对夏玉米产量及氮肥效率的影响

张倩, 韩本高, 张博, 盛开, 李岚涛, 王宜伦

Reduced application and different combined applications of loss-control urea on summer maize yield and fertilizer efficiency improvement

ZHANG Qian, HAN Ben-Gao, ZHANG Bo, SHENG Kai, LI Lan-Tao, WANG Yi-Lun

表2 控失尿素减量及控失尿素与常规尿素不同配比处理

Table 2 Loss-control urea reduction and different ratios of loss-control urea and urea treatments

试验处理 Treatment 减施比例 Reduced rate 施氮量 N amount (kg hm-2) 肥料品种 Fertilizer 控失尿素:常规尿素配比 Loss-control urea:Urea CK 0 CF 210 常规尿素 Urea CL 210 控失尿素 Loss-control urea CL10 减施10% 10% reduction 189 控失尿素 Loss-control urea CL20 减施20% 20% reduction 168 控失尿素 Loss-control urea CL7:3 210 控失尿素+常规尿素Loss-control urea and urea 7:3 CL5:5 210 控失尿素+常规尿素Loss-control urea and urea 5:5 CL3:7 210 控失尿素+常规尿素Loss-control urea and urea 3:7