This work was supported by the National Natural Science Foundation of China (Grant No. 20225722) for distinguished young scholars;a component part of 973 Project (approved No.2004CB418503) supported by the Ministry of Science and Technology,People's Republic of China.
In order to evaluate ecological risk of agrochemicals in common use, joint toxic effects of acetochlor and urea on germinating characteristics of Chinese cabbage (Brassica Pe-kinensis Rupr) seeds were investigated usi...