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靖县排牙山林场的杉木嫁接种子园,曾发生过较严重的病虫害.1976年8月中旬调查后,立即煮制松碱合剂对龟蜡蚧进行了防治.即用烧碱2份,松香3份,水16份,将水煮沸后,加入烧碱,待溶化后,再慢慢加入研细的松香,边加边搅拌,均匀后再煮50分钟,待其冷却后再加水15倍稀释喷射.半月后,又煮制石硫合剂对烟煤病和藻斑病进行了防治.即用生石灰1斤,硫磺1.4斤,水15斤,先将硫磺
Jing County Pai Yayishan forestry grafted fir seed orchard, there have been more serious pests and diseases in mid-August 1976 after the investigation, immediately cooked pine nectar scale turtle scale control.With 2 parts of caustic soda, rosin 3 Parts, water 16 parts, the water boiled, add caustic soda, to be dissolved, and then slowly add research fine rosin, while adding edge stirring, cook for 50 minutes even after cooling, then add 15 times diluted with water spray. Half a month later, and cooking stone sulfur mixture of bituminous coal disease and phytoplankton prevention and treatment, namely with lime 1 kg, 1.4 kg sulfur, water 15 kg, the first sulfur