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6 2017-2018年不同施肥处理对养分利用率的影响

Table 6 Effects of different fertilization treatments on nutrient utilization in 2017-2018 %

处理 Treatment 2017 2018 武川Wuchuan 集宁Jining 武川Wuchuan 集宁Jining N P2O5 K2O N P2O5 K2O N P2O5 K2O N P2O5 K2O FP 18.6c 12.1b 43.5b 25.7c 12.8a 44.9b 27.2b 14.4a 37.9b 25.8c 12.2a 26.6b NE 41.6a 20.1a 48.9a 43.0a 15.2a 54.7a 47.0a 19.3a 49.2a 44.3a 14.7a 46.7a ST 24.0b 16.4a 40.0c 36.2b 14.9a 51.0ab 25.7b 17.3a 35.9b 38.1b 12.5a 42.0a