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我县属陇东黄土高原沟壑区,年平均气温6.7～9.2℃,年降雨量350～500毫米,年均日照2596.2～2766.4小时,无霜期123～151天,其气候特点是:日照充足,干旱少雨,积温较低,无霜期短。高粱是我县主要高产作物之一,年种植面积3.5万亩,占全县大秋作物的60%。我县中部塬区和北部川区海拔高、气温低、无霜期短,一般露地种植杂交高粱都不能成熟,对我县扩大高粱种植面积和提高单产、增加总产影响很大。自1988年以来,采
My county is Longgou loess plateau gully area, the annual average temperature of 6.7 ~ 9.2 ℃, annual rainfall of 350 ~ 500 mm, the average annual sunshine 2596.2 ~ 2766.4 hours, frost-free period of 123 to 151 days, the climate is characterized by: sufficient sunshine, drought and rain , Lower accumulated temperature, frost-free period is short. Sorghum is one of the main high-yield crops in our county, the annual planting area of 35000 acres, accounting for 60% of the county autumn crops. Central County in my Central Plains and northern Sichuan high altitude, low temperature, frost-free period is short, the general open field hybrid sorghum can not mature, expand my sorghum area and increase yield, increase the total output of a great impact. Since 1988, mining