乙酸铵火焰光度法与M3法测定土壤速效钾的探讨及相关性研究

对测定土壤速效钾的乙酸铵火焰光度法与M3法进行了比较分析。研究结果表明:采用M3方法测定土壤速效钾,较常规乙酸铵火焰光度法快速、方便、结果稳定,重复性和再现性均好,适合大批量的样品分析,且常规方法与M3方法测定土壤速效钾的结果能很好地吻合,有极好的相关性。

Discussion on the Determination of Quick-acting Potassium in Soil by Using Ammonium Acetate Flame Photometry and M3 Method and the Correlation Study

This paper makes a comparative analysis on ammonium acetate flame photometry and M3 method used for determining the quick-acting Potassium in soil. The research findings show that compared with ammonium acetate flame photometry, the M3 method, which is convenient and fast,can obtain stable results and good repeatability and reproducibility, and is suitable for the analysis of large batch of samples, and the results of determining quick-acting Potassium in soil by using conventional method and M3 method are in good agreement and have excellent correlation.