Effect of Azotobacter in Summer Irrigated Cotton

S. R. CHOWDAPPAN; N. BALASUBRAMANIAN and T. N. BALASUBRAMANIAN

doi:https://doi.org/10.29321/MAJ.10.A03250

Madras Agricultural Journal

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Effect of Azotobacter in Summer Irrigated Cotton

Author: S. R. CHOWDAPPAN, N. BALASUBRAMANIAN and T. N. BALASUBRAMANIAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 64, Issue: nov-nov,

DOI:https://doi.org/10.29321/MAJ.10.A03250

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Abstract

Field experiments were conducted during summer 1975 and 1976, to study the efficacy of Azotobacter on summor irrigated cotton (Var. MCU: 8). The study revealed that application of Azotobacter cither to seed or soil was superior to no treatment. Treating cotton seeds with Azotobacter and broadcasting and mixing the culture in the soil before sowing at 75 per cent recommended dose of N was the most beneficial treatment, since the requirement of nitrogen to cotton, crop was reduced by 25 per cent with increased seed cotton yield.

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