水稻纹枯病是我县水稻常发病害,危害较大。近年来使用有机砷农药防治,病害虽有抑制,却又出现药害等问题,特别是稻谷和土壤中砷的残留量激剧增加,为此,探索高效、低毒、低残留的新农药是药剂防治的当务之急。桐庐农药厂在上海农药研究所的大力支援和具体帮助下,于一九七四年八月份试制成功新农用抗菌素——井岗霉素。为降低农业成本,减少包装、运输等困难,积极改进了工艺流程,把原来的1％水剂提高成2％水剂,一九七五 Rice sheath blight is a common disease in our county rice, more harmful. In recent years, the use of organic arsenic pesticide control, although the inhibition of disease, but there are problems such as phytotoxicity, especially the arsenic residues in rice and soil increased dramatically, therefore, to explore efficient, low toxicity, low residual pesticide is Pharmacy prevention and control priorities. Tonglu Pesticide Factory in Shanghai Institute of Pesticide’s strong support and specific help, in August 1974 trial success of the new agricultural antibiotic - Jinggangmycin. To reduce agricultural costs, reduce packaging, transportation and other difficulties, and actively improve the process, the original 1% aqueous agent increased to 2% agent, one nine seven five