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坑道式山洞贮藏番薯种,是普陀县礁潭公社田岙大队的广大贫下中农遵照伟大领袖毛主席“备战、备荒、为人民”的教导,通过反复实践,试验成功的一种安全贮藏法。此法贮藏量大,安全可靠,方法简便,温度稳定,湿度适宜,省工省本。1967年,田岙八队8000多斤薯种11月15日入洞,次年3月13日取出育苗,薯块皮色新鲜,质量很好。定海县石礁公
The tunnel-type cave storage of sweet potato species is a safe storage method that has been successfully tested by many of the poor peasants and middle peasants under the command of Chairman Mao of the Great Leader, preparing for and preparing for the poor and serving the people. This method has large amount of storage, safe and reliable, the method is simple, the temperature is stable, the humidity is suitable, and the labor-saving and cost-saving. In 1967, Tian 岙 eight teams of more than 8000 kilograms of potato seed on November 15 into the hole, March 13 the following year remove seedlings, potato skin color fresh, good quality. Dinghai County reef public