几种测定石灰性土壤有效磷的方法的比较
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A COMPARATIVE STUDY OF SEVERAL METHODS FOR DETERMINING AVAILABLE PHOSPHORUS ON CALCAREOUS SOILS
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    摘要:

    土壤有效磷的测定有助于了解土壤的磷素供给能力,为施用磷肥提供参考,但是测定方法虽多,却各有优缺点;生物方法的结果比较接近实际情况,但操作不便,需时较久;化学方法简便快速,但往往适用范围不广,至今尚无适用所有土壤的化学浸提方法.

    Abstract:

    A comparative study of six methods for deteemining available phosphorus on calcareous soils in Shensi was made,results obtained from which were checked against pot cultures and azotobacter plaque technique.The correlation coefficients of the six methods in respect to biological tests are given in following order:Olsen's 0.5M NaHCO3 method, Machigen's 1% (NH4)2C2O4 method,Radet's 3.5% sodium citrate method,Egner-Rim's lactate method,Burriel-Hernando's method and Joret-Herbert's 0.2N (NH4)2C2O4 method. Olsen's NaHCO3 method seems to be a better one over the other methods to dcterminc available phosphorus in calcareous soils.

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黎耀辉.几种测定石灰性土壤有效磷的方法的比较[J].土壤学报,1963,11(2):215-219. LI YAO-HUI. A COMPARATIVE STUDY OF SEVERAL METHODS FOR DETERMINING AVAILABLE PHOSPHORUS ON CALCAREOUS SOILS[J]. Acta Pedologica Sinica,1963,11(2):215-219.

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  • 在线发布日期: 2013-02-25
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