| 热硝酸浸提—火焰光度计法测定土壤缓效钾方法的改进 |
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| 引用本文： | 邓万丽. 热硝酸浸提—火焰光度计法测定土壤缓效钾方法的改进[J]. 现代农业科技, 2020, 0(17) |
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| 作者姓名： | 邓万丽 |
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| 作者单位： | 广电计量检测沈阳有限公司 |
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| 摘 要： | 本研究对国家农业部方法对土壤中缓效钾含量的测定方法进行改进。结果表明：改进后的方法相对标准偏差为小于5%,相对误差0%~0.93%,改进后的方法有较好的精密度和准确度,操作更加方便快捷。
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| 关 键 词： | 土壤 缓效钾 消解 |
| 收稿时间： | 2020-05-26 |
| 修稿时间： | 2020-05-26 |
Improvement of hot nitric acid leaching-flame photometer method for determining non-exchangeable potassium in soil |
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| Abstract: | In this study, the method of the ministry of agriculture was improved to determine non-exchangeable potassium in soil. The result indicates that relative standard deviations were less than 5% and relative error was 0%~0.93%. |
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| Keywords: | soil non-exchangeable potassium digestion |
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