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山西省太谷县白城村,从1987年以来,采用土窑洞贮藏苹果,建起年贮量达55万公斤苹果的土窑洞12座,不仅调节了市场需求,增加了农村收入,且有力地促进了果树生产的发展。1989年该村果园面积已从1974年的800亩,增加到3100亩,挂果面积近千亩。1989年全村果品产量160万公斤,收入160余万元。占全村经济总收入的21%。村民人均果品纯收入327元,占全村人均收入835元的39%。简易土窑洞贮藏是一项投资少、见效快、效益高的实用技术。白城村的12座砖砌土窑洞共投资31万元(挖土方12.4万元,砖砌费18.6万元)。按利用率80%折算,年贮存40万公斤,每公斤平均增值0.30元,年可增值12万元。扣除每年2万元的配套设备及管理费用,年净增值10万元。约3年即可收回全部投
Baicheng Village, Taigu County, Shanxi Province. Since 1987, 12 dug holes have been built in soil caves to store apples with an annual storage capacity of 550,000 kilograms, which not only adjusted the market demand but also increased rural incomes and effectively promoted The development of fruit tree production. In 1989 the village orchard area has increased from 800 acres in 1974 to 3100 acres, fruiting area of nearly acres. In 1989 the village fruit production 1600000 kilograms, income 1600000 yuan. Accounting for 21% of the total income of the village economy. The per capita net income of villagers 327 yuan, accounting for 39% of the village per capita income of 835 yuan. Simple soil cave storage is a less investment, quick, effective and practical technology. Baicheng Village, a total of 12 brick kiln cave investment of 310000 yuan (excavation of 124000 yuan, brick 186000 yuan). According to the utilization rate of 80% conversion, the annual storage of 400000 kilograms, the average value of 0.30 yuan per kilogram, the annual increase of 120,000 yuan. Deducting 20,000 yuan a year of equipment and management costs, the net increase of 100,000 yuan. About 3 years to recover all cast