questions: asking about imc carp farming practices 
 answers: suggestion
 dewatering of pond: 
-  ponds should be dried for 7 – 10 days or until the cracks develop on a clayey soil or until the stage when footprints do not form on a sandy soil.

2. eradication of control of predatory and weed fish:
bleaching powder : (46 kg/bigha) can be used. 
detoxification takes about 1 week.
after 1 week apply lime
3. liming 27 kg per bigha 
for annual requirement : 106 kg per bigha per year
apply lime at sunny day or noon
4. after10 or 14 days of liming : 
apply  160 kg/bigha. cowdung. mix the cowdung with water fisrt.
mothly@ cowdung 133 kg per bigha
apply raw cattle dung @  2000 kgs/bigha/yr: 

5. urea and ssp application: 
apply after 7 days of cow dung application
urea: 3 kg per bigha per month 7 days after cowdung application
ssp- 2.6 kg per bigha per moth along with urea (mix both with water)

urea 40 kg per bigha per year and ssp 30 kg per bigha per year
after 7 days start stocking fish 

seed stocking 
730 to 800 kg per bigha for fingerling 
or 4 lakh spawn per bigha