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Transformation and availability of applied phosphorus in acid soils of Mudgere-1. Studies on the effect of different sources and levels of phosphorus



Transformation and availability of applied phosphorus in acid soils of Mudgere-1. Studies on the effect of different sources and levels of phosphorus



Mysore Journal of Agricultural Sciences 25(2): 189-195



The relative availability of three sources of P to rice (rock phosphate, superphosphate and DAP) was compared through addition at 0, 50, 75 and 100 kg P2O5/ha to an acid paddy soil (Rhodic Paleustalf) in Chickmaglur district, Karnataka, India. Soil samples were taken at tillering, panicle initiation and harvest and analysed for:Al bound P, Fe bound P, reductant soluble P, Ca bound P, occluded Fe and Al-P, and Bray extractable P.

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