Some observations on the mechanism of phosphorus fixation in some soils of British Guiana

Author:

Paul Harry

Abstract

A study has been made of the distribution of the various fractions of phosphorus in the Blairmont clay soils. Nearly three-fifths of the total phosphorus is present in the organic and inorganic alkali-soluble forms.The organic alkali-soluble phosphorus and the exchangeable phosphorus vary in direct relation to cane production and to phosphorus content of the juice. The Truog phosphorus values are nil for all three soils and do not give a satisfactory indication of the phosphorus-supplying ability of the soils.The soils have a high anion exchange capacity (23· mmol. of phosphorus per 100 g. of soil). It is indicated that the high fixing power of these soils for phosphorus is largely a mechanism of anion exchange reactions.

Publisher

Cambridge University Press (CUP)

Subject

Genetics,Agronomy and Crop Science,Animal Science and Zoology

Cited by 5 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Determination of P status ofHevea brasiliensis by bark analysis;Plant and Soil;1960-01

2. On the Dynamics of Phosphorus Added to Fishponds in Israel1;Limnology and Oceanography;1958-01

3. Der organisch gebundene Phosphor im Boden;Zeitschrift für Pflanzenernährung, Düngung, Bodenkunde;1955

4. PHOSPHORUS STATUS OF PEAT SOILS IN BRITISH GUIANA;Soil Science;1954-02

5. Über den Bindungszustand der Phosphorsäure in Thüringer Muschelkalk- und Buntsandsteinverwitterungsböden;Zeitschrift für Pflanzenernährung, Düngung, Bodenkunde;1953

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