Madras Agricultural Journal
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SOIL FERTILITY UNDER CONTINUOUS ROTATIONAL CROPPING OF COTTON - PEARL MILLET IN A DRYLAND VERTISOL

Abstract

                                In a field study under dryland vertisol four annual addition of FYM in a fixed crop rotation of Cotton pearl millet to supply 40 kg N/ha markedly increased the organic carbon content. Total and available N content of soil also tended to increase under FYM addition: Available P,O, and K,O contents were not altered by the addition of inorganic fertilizers and FYM or their combination.

Key words : Cotton, Pearl millet, Soil fertility, Vertisol

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