Regard the Lemna minor L and Rana limnocharis as the target,researched the toxicity of the Clomazone,and studied the hydrolysis dynamics of Clomazone and its factor.

• 本文选用三叶浮萍和蝌蚪为对象，评价了异恶草酮在水环境中的毒性作用，并研究了其水解规律及其影响因素。