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PHOSPHORUS USE EFFICIENCY AND ITS RECOVERY IN LEGUME-PADDY CROPPING SEQUENCE

  • Author:V.VELU, P. MURUGESABOOPATHY, A.R. MOHAMED HAROON and P.P. RAMASWAMI

    p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:82, Issue:jun-aug

    DOI: https://doi.org/10.29321/MAJ.10.A01237
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Abstract

                                Field experiments conducted to study the Phosphorus (P) use efficiency and its recovery in a legume-paddy cropping sequence in red soils of Thambirabarani river basin indicated a marked influence of P application in increasing the yield and yield attributes of irrigated pulse as well as Pisanam rice crop. Split application of P was not found advantageous over full basal application on rice crop. The P. use efficiency and apparent P recovery in rice were found to be higher under soil-test based fertilization over that of the blanket recommendation. The P recovery in rice was higher (13.24%) when both the crops in the legume-paddy sequence were fertilized with P than the P application to rice alone (7.63%).

Key words : Phosphorus, Recovery, Cropping Sequence

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ISSN : 0024-9602
eISSN : 2582-5321

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