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为了对辽宁省耕地土壤钾素水平进行正确的评价 ,于 1 993～ 1 997年在全省 1 3个市的 32个县(市、区 )采集了有代表性的主要耕地土壤样本846份。利用ＡＳＩ法分析了土壤速效钾含量 ,并绘制出辽宁省土壤速效钾含量分布图。这是我省第 2次土壤普查以来 ,辽宁省农业科学院土肥所第
In order to correctly evaluate the level of soil potassium in cultivated land in Liaoning Province, 846 representative soil samples of main cultivated land were collected in 32 counties (cities and districts) of 13 provinces in the province from 1993 to 1997. The ASI method was used to analyze the available potassium content in soil and map the available potassium content in Liaoning Province. This is the second soil survey in our province, Liaoning Academy of Agricultural Sciences Soil and Fertilizer No.