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INTER RELATIONSHIP BETWEEN DIFFERENT PHOSPHORUS FRACTION IN A CROPPING SEQUENCE TREATED WITH DIFFERENT PHOSPHORUS SOURCES.

  • Author:P.SINGARAM and G.V.KOTHANDARAMAN,

    p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:81, Issue:jun-jun

    DOI: https://doi.org/10.29321/MAJ.10.A01520
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Abstract

                                The inter relationship between different fractions of phosphorus was studied in the soils of a cropping sequence (Fingermillet - Maize - Blackgram) treated with different phosphorus sources. The available P (Olsen's P) is positively related with Saloid-P and AI-P. The positive relationship of Fe-P with available P existed in the first two crops vanished in the third crop. The RS-P is not dependent on the available P. Over a period of time Ca-P is also having positive relationship with available P and A1-P.

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ISSN : 0024-9602
eISSN : 2582-5321

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