questions: query regarding pond management. 
 answers: pond management-
 1. dewatering and pond drying.
2. removal of aquatic weeds (weedicides, ammonia, diuron, paraquat) and unwanted fishes (netting, bleaching powder, mohua oil cake)
3. removal of aquatic weeds.
4. application of lime- 160kg/bigha (5-6 ph), 133 kg/bigha (6-6.5 ph).
5. application of organic manure, cowdung @1200kg/bigha/year. (1/3 rd of whole quantity of cowdung should be applied as 1st installment and remaining quantity should be divided into 11 equal installments and applied on monthly basis.
6. stocking of fish-1000nos. of fingerlings/bigha.
7. supplementary feed- ricepolish:mustard oil cake @1:1.
8. regulr sampling of fish.