questions: asking about fish mortality ,feeding and fertilization method 
 answers: recommended to apply salt@10 kg/bigha and throughing piece of banana tree stop feeding 4 days and stop fertilization for 1month .feeding given at gunny bag.lime (quick lime)application@10kg/bigha/month.fertilization cowdung application@100kg/bigha/month and urea ,ssp @10kg/bigha/month and ssp 20kg/bigha/month