Agriculture
Home | Seasons & Varieties | Tillage | Nutrient Mgmnt | Irrigation Mgmnt | Weed Mgmnt | Crop Protection | Cost of Cultivation | Photobank
Season and Varieties :: Cotton
 

COTTON

NUTRIENT MANAGEMENT

Inroganic Fertilzers
    For varieties : 32 : 16 : 16 kg N: P2O5: K2O /ac
    For hybrids : 48 : 24 : 24 kg N: P2O5: K2O /ac


Time of application

Varieties

Between plants (cm)

Basal (If basal application could not be done, apply on the 25th day after sowing)

50 % of N & K2O,
full dose of P2O5

1/3rd N & K2O,
full dose of P2O5

 

Top dressing

50 % of N & K2O at 40 to 45 days after sowing (DAS)

1/3rd N & K2O – 40 to 45 DAS
1/3rd N & K2O – 60 to 65 DAS



Soil Application of Micronutrients
  • Apply 5 kg of micronutrient mixture formulated by the Department of Agriculture, Tamil Nadu mixed with enough sand to make a total quantity of 20 kg for one acre.

  • OR

  • Apply TNAU micronutrient mixture - 5 kg/ac for varieties and 6 kg/ac for hybrids as enriched FYM (Enriched FYM is prepared by mixing MN mixture and FYM in the ratio of 1:10 , at friable moisture and incubated in gunny bag for one month in shade)
Note:
  • 1. Recommended bio fertilizers, basal dose inorganic fertilizers and micro nutrients should be applied at the last ploughing before formation of ridges.
  • 2. To control soil borne pathogens apply Bacillus subtilis and Trichoderma asperellum each @ 1 kg/ac mixed with 100 kg FYM at the last plough before formation of ridges.

 

Updated on Apr 2023

 

© All Rights Reserved. TNAU 2008 - 2023.