Madras Agricultural Journal
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Observations on the Effect of Manuring and Irrigation on the Incidence of the Cotton leaf hopper, Empoasca devastans Dist., and the Cotton aphid, Aphis gossypii G. at different periods of Crop Growth

Abstract

                                Observations made during the 1962-63 season on the effect of the macro-elements N, P and K, individually and in combination and of cattle manure and three levels each of manure and irrigation on the incidence of the jassid and aphid on cotton are recorded in this paper.

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