Madras Agricultural Journal
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EFFICACY OF NITRIFICATION INHIBITING AGENTS USED FOR AUGMENTING COTTON YIELD IN THE VERTISOL OF MADHYA PRADESH

Abstract

                                Field experiments conducted to study the effect of nitrification inhibiting agents revealed that blending urea either with neem cake or lac enhanced the seed cotton yields considerably but its efficacy seem to be more pronounced under rainfed than in semi arid-irrigated conditions Deleterious effect of excessiva nitrogen rates in vertisol of Madhya Pradesh could not be subduced even by blanding urea, particularly in rain grown upland cotton Of the two materials employed for inflicting nitrogen economy in the black cotton soils, Weem coated urea was found more promising than lac coated.

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