昭通县在1982年试验土窑洞现代气调苹果保鲜贮藏的基础上,1983年又分别在北坡塘15队果园、沙坝大队果园、大村14队果园的土窑洞内继续扩大试验。共贮藏苹果4万斤,8月底入窑封帐,1984年2月初开帐出售,贮藏期5个月。通过试验,进一步掌握了有关技术。下面谈谈几点认识。一、投资少、效益高。在自沙土和黄坭土的土层条件下,贮量为6万斤的土窑洞(高、宽各2.5米,长50米),工程费用1400元、设备费1400元,最少可使用5年。平均每年分摊工程设备费 In 1983, Zhaotong County continued to expand its tests in the soil kiln tunnels of the orchard of 15 teams in Beipoitang, Shaba Brigade Orchard, 14 villages of Omura, orchard in 1983, on the basis of the fresh-keeping and storage of the modern-style apple house in 1982. A total of 4 kilos of apples stored, the end of August into the kiln sealed, early February 1984 opened for sale, storage period of 5 months. Through experiments, further mastered the technology. Here to talk about some understanding. First, less investment, high efficiency. In the soil conditions from sandy soil and yellow soil, soil kiln storage capacity of 60,000 kg (height and width of 2.5 meters, 50 meters long), the project costs 1,400 yuan, equipment costs 1,400 yuan, at least 5 years. The average annual construction equipment costs assessed