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一、发展洋芋生产的一个有利途径 建始县鱼兰公社鱼兰大队,位于鄂西南海拔1,600公尺左右的高山地带。无霜期190—220天,年降雨量1,500—2,200毫米,日照1,500—1,600小时,年平均气温8—10℃,有风、涝、冰雹、“秋风”等灾害。粮食生产一年一熟,以单作为主,夏粮洋芋,秋粮包谷。包谷平均亩产150—200斤,最高亩产300—400斤。洋芋产量较高,一般亩产1,500—2,000斤,高产田亩产2,500—3,000斤。根
First, the development of potato production is a favorable way Jianshi County Yuelong commune fish orchid brigade, located in the southwest of Hubei Province about 1,600 meters above sea level alpine zone. Frost-free period 190-220 days, the annual rainfall of 1,500-2,200 mm, 1,500-1,600 hours of sunshine, the annual average temperature of 8-10 ℃, windy, waterlogging, hail, “autumn wind” and other disasters. Grain production a year cooked to single as the main, summer grain potato, autumn grain Valley. Valley average yield per mu 150-200 pounds, the highest per mu 300-400 pounds. High yields of potato yield, generally 1,500-2,000 kg per mu, high-yielding fields yield 2,500-3,000 pounds. root