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1 前言据史料记载,我国微州的雪梨,几百年前就套桐油纸袋,南京一带的中晚熟桃品种则套报纸袋,而苹果套袋只有近百年的历史,那时套袋的目的是防治食心虫等食果害虫,袋是用书纸或报纸制做的;60年代中期,由于DDT、666、1605等农药的广泛使用,套袋中止;90年代初,为生产可供出...
1 Preface According to historical records, Sydney, China’s micro-state of Sydney, a few hundred years ago sets tung paper bags, Nanjing in the middle and late peach varieties are newspaper bags, and bagging only a history of nearly a hundred years, then the purpose of bagging Prevention and control of food insects such as moth worms, bags are made of paper or newspaper; the mid-60s, due to DDT, 666,1605 and other pesticides widely used bagging suspension; early 90s, for the production available ...