Response of summer irrigated cotton (Gossypium hirsutum) to phosphorus management

G.SRINIVASAN; K. VENKATESAN AND N.SIVASAMY

doi:https://doi.org/10.29321/MAJ.10.A00183

Madras Agricultural Journal

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Response of summer irrigated cotton (Gossypium hirsutum) to phosphorus management

Author: G.SRINIVASAN, K. VENKATESAN AND N.SIVASAMY,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 89, Issue: jan-mar,

DOI:https://doi.org/10.29321/MAJ.10.A00183

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Abstract

Field experiment was carried out during summer 1999 and 2000 to investigate the response of cotton to sources of phosphorus, levels and their management. The results revealed that application of rock phosphate is equally effective as single super phosphate in cotton. Among the levels tried, application of 100 per cent recommended dose of P,O, (30 kg ha') registered the highest mean seed cotton yield of 1660 kg ha. Enrichment of phosphorus with farm yard manure and phosphobacterium was found to be effective in increasing the seed cotton yield over no enrichment.

Keywords: Cotton, Phosphorus, Enrichment Phosphobacterium

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