Observations on the Effects of Irrigation Water Containing 3-trifluoromethyl-4-nitrophenol (TFM) on Plants ; Residues of Malachite Green in Muscle, Eggs and Fry of Treated Atlantic Salmon and Chinook Salmon ; Effects of Water Temperature, Hardness and PH on the Toxicity of Benzocaine to Eleven Freshwater Fishes

Auteur : U.S. Fish and Wildlife Service

Date de publication : 1990

Éditeur : The Service

Nombre de pages : 13