解放后我国的农业生产在党中央和毛主席关怀下,坚持农业“八字宪法”,开展农业学大寨运动,年年增产。尤其是无产阶级文化大革命以来,在毛主席“深挖洞,广积粮”的号召下,我国粮棉等连续多年丰收。农药的产量随着农业的发展也大幅度地增长。由于滴滴涕、六六六等有机氯农药有很多优点,在我国使用很广,是所有农药中用量最多的一类。但因其残留量高,易在人畜体内蓄积。文化大革命以来,在毛主席革命路线指 After liberation, under the care of the party Central Committee and Chairman Mao, agricultural production in our country insisted on the “eight-character constitution” of agriculture and carried out the Dazhai Campaign in Agriculture and increased its output every year. Especially since the Great Proletarian Cultural Revolution, under the call of Chairman Mao for “digging deep holes and widening grain ration,” China’s grain and cotton harvested for years in succession. The output of pesticides has also risen sharply with the development of agriculture. As DDT, BHC and other organochlorine pesticides have many advantages, is widely used in our country, is the largest amount of all pesticides in a category. However, due to its high residual volume, easy to accumulate in human and animal body. Since the Cultural Revolution, Chairman Mao’s revolutionary line means