COTTON
Varieties
NUTRIENT MANAGEMENT
- Apply N: P 2 O 5 : K 2 O fertilizers as per STCR-IPNS Recommendations .(Please Click here)
- Follow blanket recommendation (if soil test is not done) as below.
| 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 & K 2 O, full dose of P 2 O 5 | 1/3rd N & K 2 O, full dose of P 2 O 5 |
| Top dressing | 50 % of N & K 2 O at 40 to 45 days after sowing (DAS) | 1/3rd N & K 2 O – 40 to 45 DAS 1/3rd N & K 2 O – 60 to 65 DAS |
Between plants (cm)
Basal (If basal application could not be done, apply on the 25th day after sowing)
50 % of N & K 2 O, full dose of P 2 O 5
1/3rd N & K 2 O, full dose of P 2 O 5
Top dressing
50 % of N & K 2 O at 40 to 45 days after sowing (DAS)
- 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.
- 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)
- 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.
1/3rd N & K 2 O – 40 to 45 DAS 1/3rd N & K 2 O – 60 to 65 DAS