果树防腐剂９２８１及其使用技术９２８１是河北省邢台县无害生物制剂厂与河北省邢台市桥西农林实用技术研究所联合开发生产的，是由医用的中西药物和生物制剂、经科学方法加工精制而成的果树专用防腐剂，对果树腐烂病有特效，兼治轮纹病、黑星病等，同时还有复壮树势、加... Fruit tree preservative 9281 and its use of technology 9281 is Xingtai County, Hebei Province innocuous biological agents plant and Xingtai City, Hebei Province Agricultural Research Institute of Agriculture and Forestry joint development and production by the medical Chinese and Western medicines and biological agents, the scientific method of processing Refined from the fruit tree special preservatives, fruit tree rot disease have special effects, both cure rot disease, scab, etc., while also rejuvenating tree vigor, plus ...