Fertilizer doses and method of application recommended for cotton crop in different zones
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Cultural Practices |
Northern cotton zone |
Central cotton zone |
Southern cotton zone |
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Fertilizers |
N - 60 - 100 kg / ha. P and K dose as per soil test. No P need be applied if previous wheat received / recommended P does 5.5 kg.Zn / ha. as ZnSo4 once in two cotton - wheat cycles |
N : P : K 40 - 20 - 20, 50 - 25 - 25, 80 - 40 - 40 for varieties 100 - 50 - 50, 160 - 80 - 80, 240 - 120 - 120, for hybrids |
N : P : K 40 - 20 - 20,60 - 30 - 30, 90 - 45 - 45 for varieties 100 - 50 - 50, 120 - 60 - 60, 150 - 60 - 60 for hybrids |
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Method of fertilizer application |
i) Half N at thinning and remaining at first flowering; ii) Half N at sowing time in late sown crop; iii) Foliar application of N if needed; P to be drilled at sowing. |
N in three splits at sowing, squaring and peak flowering stages. ( P & K according to soil test). Application of 2 % urea or DAP at flowering and early boll development. |
N at squaring and peak flowering, P & K at sowing. In Karnataka entire NPK at planting ( rain fed cotton ), Half N and entire P & K planting, remaining N at flowering (irrigated cotton ) N in 4 splits in irrigated hybrid cotton. |
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Bio - fertilizer |
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Seed treatment with azotobacter is beneficial.
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Seed and soil treatment with Azospirillium in Tamil Nadu.
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Information compiled, Page designed and developed by M. Sabesh, Scientist(SS), CICR, Coimbatore