养分专家系统推荐施肥对马铃薯产量及肥料利用率的影响

梁俊梅,张君,安昊,景宇鹏,李焕春,段玉

Effects of Recommended Fertilization by Management Nutrition Expert System on Potato Yield and Fertilizer Use Efficiency

Junmei Liang,Jun Zhang,Hao An,Yupeng Jing,Huanchun Li,Yu Duan

表2 不同处理施肥量

Table 2 Fertilizer application rate of the different treatments kg/hm2

处理 Treatment 2017 2018 N P2O5 K2O N P2O5 K2O FP 240 150 180 300 205 225 NE 180 150 234 240 180 270 NE-N 0 150 234 0 180 270 NE-P 180 0 234 240 0 270 NE-K 180 150 0 240 180 0 ST 225 135 180 270 180 150