采用GIS定位取样测试、ACIGIS 软件数据分析和统计分析方法，对武威市凉州区土壤养分状况分析评价的结果表明，凉州区耕地土壤有机质平均含量为16.2 g/kg，变幅为1.02～40.10 g/kg，标准差为5.79，变异系数为35.33。相对第二次全国土壤普查，有机质含量平均增加2.1 g/kg，土壤全氮平均增加0.09 g/kg；土壤有效磷平均含量为25.4 mg/kg，变幅为15.5～36.4 mg/kg，平均含量增加11.8 mg/kg；土壤速效钾含量加权平均值为177 mg/kg，变幅为155～266 mg/kg，相对第二次全国土壤普查总体表现下降趋势，平均减少7.0 mg/kg。

The soil nutrient status was analysed in Liangzhou district of Wuwei using GPS to locate the sample test， ACIGIS software for data analysis and statistical analysis method . The results showed that the average farmland soil organic matter content in liangzhou district was 16.2 g/kg， the range was 1.02 ~ 1.02 g/kg， the standard deviation was 5.79， the variation coefficient was 35.33 . Relative to the second national soil survey， rose by an average was 2.1 g/kg organic matter content， soil total nitrogen increased an average was 0.09 g/kg； The average content of available in soil was 25.4 mg/kg， the range was 15.5 ~ 36.4 mg/kg， average content increased was 11.8 mg/kg； Weighted average soil rapidly-available potassium content was 177 mg/kg， the range was 155 ~ 266 mg/kg， relative to the second national soil survey overall performance decline， by an average was 7.0 mg/kg .

S159.2

财政部、农业部测土配方施肥试点补贴资金项目