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乌鲁木齐南郊位于天山北坡海拔1300—1850米处,无霜期120—150天,气候凉爽,日照丰富,代表着天山山区农业地带的气候特征。 这里自1976年春小麦实行顶凌播种,收到了很好的效果。据县农科所在建新大队试验(表1),顶凌(3月25日)播种较中期(4月15日)播种的增产15％,较末期(5月5日)播种的增产80％。 当地春小麦凌顶播种有两个显著特点: 一是顶凌播种开始时间较早,播种适温以断续的形式出现,据一般资料介绍,春小麦顶凌播种以表土解冻5—8厘米,气温2—4℃为宜。还有的说当日平均气温大于
The southern suburb of Urumqi is located at an altitude of 1300-1850 meters above the northern slope of Tianshan Mountain, with a frost-free period of 120-150 days. Its cool climate and abundant sunshine represent the climatic features of agricultural areas in the Tianshan Mountains. Here since the spring of 1976, the top Ling sowing, received good results. According to the trial of the new brigade under construction by County Agricultural Science Bureau (Table 1), Dingling (March 25) sowed 15% more sowing than the mid-April 15 sowing and 80% sowing more than the last crop (May 5). The local spring wheat Lingding sowing has two notable features: First, the top Ling sowing start earlier, seeding temperature in intermittent form, according to general information, spring wheat top Ling sowing topsoil thaw 5-8 cm, temperature 2 -4 ℃ is appropriate. Others say that the average temperature on the day is greater than