Plate a) Yellow head disease, b) White spot disease, c) Brown spot disease  

Plate a) Yellow head disease, b) White spot disease, c) Brown spot disease  

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The study was carried out to know the purpose of the use of chemicals and current status of chemicals used in various aquaculture activities in Shyamnagar upazila between August 2007 and February 2008. A total of 50 shrimp farmers and chemical sellers were selected for questionnaire interview. Data were collected through PRA tools like questionnair...