According to the meteorological observation in Minqin Desert Control Experiment Station, variations of frost-free period, low temperature in spring and frozen earth were analyzed.
以甘肃民勤治沙综合试验站数十年气象定点观测资料为基础，统计、分析了民勤荒漠区无霜期、春季低温、冻土层的变化特征。
Change at the annual frost-free period 100-160 days, the distribution of the trend of growing on the grounds east to west.
全年无霜期变化在100—160天之间，分布趋势为由东向西逐渐增长。
The sunshine duration is long, the temperature difference is big, the frost-free period is long, and the annual solar radiation amount is much, which is good for the growth of crops.
日照时间长，昼夜温差大，无霜期长，年太阳能辐射量大，对农作物生长十分有利。
The sunshine duration is long, the temperature difference is big, the frost-free period is long, and the annual solar radiation amount is much, which is good for the growth of crops.
日照时间长，昼夜温差大，无霜期长，年太阳能辐射量大，对农作物生长十分有利。
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