Question: query regarding application of lime.
Answer: quick lime is suitable for freshwater pond. dose of lime-267kg/bigha (4-5 ph), 
160 kg/bigha (5-6 ph), 
133 kg/bigha (6-6.5 ph),
 55kg/bigha (6.5-7.5 ph). (1/3 rd of whole quantity applied 1st installment remaining quantity divided into 11 equal installment applied monthly basis).