2.4. Assessing pond water quality parametersThe water quality parameters including temperature (usingCelsius thermometer), dissolved oxygen, pH, NH3and NO2weremeasured by HACH kit (model FF-1A, Cat No. 2430-02). These anal-yses were carried out on the pond side at the beginning and end ofthe trial in mid July and mid-November 2013, respectively, between9:00 and 10:00 am.