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5 不同施肥处理对养分吸收量的影响

Table 5 Effects of different fertilization treatments on nutrient uptake kg/hm2

年份Year 地点Site 处理Treatment N P2O5 K2O 2017 武川Wuchuan FP 148.6±6.5a 63.8±4.2ab 185.1±3.9a NE 167.9±5.7a 71.9±4.3a 201.6±12.5a NE-N 104.0±9.0b 51.8±7.0bc 144.1±6.0bc NE-P 114.4±7.0b 45.6±3.3c 145.2±12.5bc NE-K 112.7±9.6b 56.2±2.7bc 106.7±12.4c ST 158.0±7.2a 70.9±3.1a 178.7±12.0ab 集宁Jining FP 319.0±35.2a 89.5±4.2a 501.3±42.0a NE 334.7±34.8a 93.1±2.2a 548.6±26.7a NE-N 257.3±33.5c 73.2±4.4b 412.5±36.7b NE-P 323.0±12.9ab 70.4±3.4b 509.7±15.2a NE-K 278.2±36.9bc 70.5±2.6b 420.5±24.1b ST 338.7±33.2a 90.4±10.7a 512.3±11.8a 2018 武川Wuchuan FP 243.2±9.0b 138.4±4.3a 509.1±17.7b NE 274.4±9.6a 143.7±5.1a 556.7±18.7a NE-N 161.7±4.9e 103.2±3.5bc 408.2±11.6e NE-P 189.2±1.8d 108.0±1.0b 458.6±4.3cd NE-K 194.7±12.3d 97.9±6.3c 423.8±27.1de ST 223.3±5.3c 134.9±3.3a 477.6±11.9bc 集宁Jining FP 213.2±8.4b 94.5±2.7a 460.5±19.4b NE 257.7±18.9a 95.9±7.0a 526.7±42.3a NE-N 151.3±15.8c 70.7±5.7b 410.4±18.7cd NE-P 255.6±18.4a 69.5±10.0b 437.9±43.8c NE-K 216.6±33.5b 109.2±12.6a 400.7±35.0d ST 254.2±20.5a 88.2±6.9ab 463.8±43.2b 平均Average FP 231.0 96.6 414.0 NE 258.7 101.1 458.4 NE-N 168.5 74.7 343.8 NE-P 220.5 73.6 387.8 NE-K 200.5 83.4 337.9 ST 243.6 96.1 408.1