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采取综合措施生严“无公害”秋白菜战继春，杨冬梅（白城市农业站）“无公害”蔬菜生产技术，我市从一九八九年推广以来，到一九九三年已累计推广５．３万亩，生产“无公害”秋白菜３亿多公斤。收到了显著的经济效益、社会效益和生态效益。一、重视农业措施，提高植株抗病...
Take comprehensive measures Health strict “pollution-free” Autumn cabbage war Ji-chun, Yang Dongmei (Baicheng Agricultural Station) “pollution-free” vegetable production technology, the city has been promoted from 1989 to 1993 has been the total promotion 5.3 million mu, production of “pollution-free” autumn cabbage more than 300 million kilograms. Received a significant economic, social and ecological benefits. First, attention to agricultural measures to improve plant disease resistance ...