questions: asking for fishery expert 
 answers: initially - lime - 33 kg/bigha/ monthly
cow dung - 250-260 kg/bigha/month

regularly- 
lime - 8 kg/bigha/month
cowdung - 100 kg/bigha/month
urea - 25 kg/bigha/month
ssp - 20 kg/bigha/month
mustard oil cake: rice flake- 135 kg/bigha/month