Fertilizer doses and method of application recommended for cotton crop in different zones

Cultural Practices

Northern cotton zone

Central cotton zone

Southern cotton zone

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

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.

Bio - fertilizer

Seed treatment with azotobacter is beneficial.

 

Seed and soil treatment with Azospirillium in Tamil Nadu.

 

 

Information compiled, Page designed and developed by M. Sabesh, Scientist(SS), CICR, Coimbatore