Madras Agricultural Journal
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RELATIVE UTILISATION OF DIFFERENT ZINC CARRIERS IN WETLAND RICE (Oryza sativa)

Abstract

The utilisation of fertiliser zinc by rice crop was studied using few 65 Zn-labelled zinc carriers in a greenhouse experiment on an Udic Haplustalf and an Entic Chromustert. With respect to the yield of grain and straw, ZnSO4 was found to be the best among the zinc carriers tried. Its effect was more pronounced when applied along with ammonium polyphosphate, However, the per cent zinc utilisation followed the order:-Zincated urea > ZnsO4> ZnSO4+APP > Zincated DAP.

Keywords: Zinc sources, Wetland rice

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