| ASI法测定土壤速效氮磷钾的方法比较及相关性研究进展 |
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| 引用本文： | 夏亮,徐卫红. ASI法测定土壤速效氮磷钾的方法比较及相关性研究进展[J]. 广西农业科学, 2009, 40(4): 391-394 |
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| 作者姓名： | 夏亮 徐卫红 |
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| 作者单位： | 西南大学资源环境学院,重庆,400716 |
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| 基金项目： | 中加合作项目中国持续农业中的养分管理(NMS)资助项目 |
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| 摘 要： | ASI方法是在多年来国际上土壤测试和推荐施肥的基础上逐步发展形成的一套高效、快速、精确的，用于土壤养分测试和推荐施肥的完整方法。文章就ASI法与常规化学方法在土壤速效氮、磷、钾的提取及测定，ASI法与作物吸肥的相关性等国内外研究进展作对比分析及综述，并对该领域存在问题和今后研究方向作了探讨。
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| 关 键 词： | ASI法 常规化学方法 土壤速效氮 磷 钾 含量测定 作物吸肥 相关性 |
Advance in comparison on determination of available nitrogen, phosphorus,potassium in soil by ASI method and its correlation with fertilizer absorption |
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| XIA Liang,XU Wei-hong. Advance in comparison on determination of available nitrogen, phosphorus,potassium in soil by ASI method and its correlation with fertilizer absorption[J]. Guangxi Agricultural Sciences, 2009, 40(4): 391-394 |
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| Authors: | XIA Liang XU Wei-hong |
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| Affiliation: | College of Resources and Environmental Sciences;Southwest University;Chongqing 400716;China |
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| Abstract: | The ASI method is a highly efficient,rapid and accurate method on measuring the soil nutrient and recom-mended fertilization which is developed based on the soil detection and recommended fertilization internationally for many years.The extraction and determination of available nitrogen,phosphorus,potassium in soil by ASI method and conven-tional chemical method were comparatively analyzed in the paper,the progresses on the correlation between ASI method and the fertilizer absorption of crops at home and ab... |
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| Keywords: | ASI method conventional chemical method available nitrogen phosphorus potassium in soil deter-mination of content fertilizer absorption of crop correlation |
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