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涿鹿县卧佛寺公社上梁元大队地处高寒山区,海拔1,500多米,最高气温24℃,日平均气温12.8℃,活动积温小于20℃,全年降水量400毫米左右、无霜期不足百天,昼夜温差较大。长期以来以种植莜麦、山药为主,亩产一直徘徊在百斤左右。1978年这个大队开始试种春麦,采取早春播种,因为都是山地、地势不平、土地瘠薄、没有水源,连续两年春麦早播没有成功,亩产只有五六十斤。1980年,在公社农科站的指导下,根据本地气温和降雨规律,改春播为夏播,全
Lianglu unit of Zhuolu County Wat Pho commune is located in alpine mountainous area with elevation of over 1,500 meters, maximum temperature of 24 ℃, average daily temperature of 12.8 ℃, active accumulated temperature of less than 20 ℃, annual precipitation of about 400 mm, frost-free period of less than 100 days, day and night Temperature difference is bigger. Long-term cultivation of oats, yams, mu husking has been around in the hundred pounds. In 1978, the brigade started to plant spring wheat and took early sowing because it was mountainous, uneven and the land was infertile with no water source. Early spring sowing was unsuccessful for two years in a row, with a yield of only fifty or sixty pounds per mu. In 1980, under the guidance of the commune agricultural station, according to local laws of temperature and rainfall, sowing for the summer broadcast sowing, all