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Nutrient limiting factors in acidic vegetable soils

文献类型： 外文期刊

作者： Ye Xue-Jian 1 ; Wang Zheng-Yin 1 ; Tu Shi-Hua 1 ; Sulewski, G. 1 ;

作者机构： 1.Sichuan Acad Agr Sci, Inst Soil & Fertilizer, Chengdu 610066, Peoples R China; Southwest Univ, Coll Resources & Environm Sci, Chongqing 400716, Peoples R China; Potash & Phosphate Inst Canada, Saskatoon, SK S7K 1J5, Canada

关键词： acidic vegetable soil; nutrient limiting factor; sorghum; sweet pepper; systematic approach

期刊名称：PEDOSPHERE （ 影响因子：3.911； 五年影响因子：4.814 ）

ISSN： 1002-0160

年卷期： 2006 年 16 卷 5 期

页码：

收录情况： SCI

摘要： Nutrient limiting factors in acidic soils from vegetable fields of the Chongqing suburbs of China were assessed by employing the systematic approach developed by Agro Services International (ASI) including soil testing, nutrient adsorption study, and pot and field experiments to verify the results of soil testing, with a conventional soil test (CST) used for comparison. The ASI method found the moderately acidic soil (W01) to be N and P deficient; the strongly acidic soil (W04) to be N, K and S deficient; and the slightly acidic soil (W09) to be N, K, S, Cu, Mn, and Zn deficient. The CST method showed that W01 had P, B and Cu deficiencies; W04 had N, P and S deficiencies; and W09 had N, P, S, 13, Cu, and Zn deficiencies. There were differences between the two methods. Among the two indicator plants selected, the response of sorghum on the three representative acidic soils was more closely related to the ASI results than that of sweet pepper.

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