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1 土壤基本理化性状

Table 1 Basic physical and chemical characters of soil

地点Site 有机质(g/kg) Organic matter pH 碱解氮(mg/kg) Alkali-hydrolyzable nitrogen 速效磷(mg/kg) Available phosphorus 速效钾(mg/kg) Available potassium 武川Wuchuan 19.00 7.97 77.7 21.2 101 集宁Jining 37.17 7.96 172.4 29.8 150