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%).
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