The weeds in rice fields consists of about 100 species such as duckweeds (Lemna minor).
在稻田中的杂草中包含了大概100种物质，包括浮萍（浮萍科）。
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。
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