河北衡水市首创绿色农药据河北省衡水市政府提供的信息。该市研制成功一种取名为“三盖安”的农药，由于高效、低毒、无公害，被国家专利局、农业部确认为国内首创绿色农药。河北衡水市研制生产的这种“三益安”农药，对杀灭棉铃虫有奇效。经过两年的大面积实验和权威部门... Hengshui City, Hebei Province, the first green pesticide Hengshui City, Hebei Province, according to the information provided by the government. The city successfully developed a named “three cover security” of pesticides, due to high efficiency, low toxicity, pollution-free, by the State Patent Office, Ministry of Agriculture confirmed as the first green pesticides. The “Sanyan” pesticide developed and produced by Hengshui City in Hebei Province has a remarkable effect on killing the cotton bollworm. After two years of large-scale experiments and authoritative departments ...