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3 各施肥处理的产量反应

Table 3 Yield response of different fertilization treatments kg/hm2

处理 Treatment 2017 2018 武川Wuchuan 集宁Jining 武川Wuchuan 集宁Jining FP 30.79±2.69ab 58.60±5.45ab 45.67±2.66b 35.56±1.28b NE 32.09±1.92a 61.69±1.34a 51.14±2.44a 38.11±2.11a NE-N 26.99±2.73c 45.88±2.72d 36.49±1.71c 30.31±3.41c NE-P 29.22±2.30abc 50.99±2.54bc 40.22±0.39c 33.49±2.39b NE-K 27.84±1.55bc 49.59±5.44bc 40.12±2.51c 34.17±2.69b ST 30.88±2.90ab 56.07±3.61ab 46.89±1.67ab 37.98±2.48a