【摘 要】
：
地处阿鲁科尔沁旗北部的道伦百姓乡的道伦百姓村,无霜期只有117天左右,≥10℃有效积温为2700℃,过去只能种植较低产的早熟品种,特别是春季地温较低,玉米、高梁等作物不能适
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地处阿鲁科尔沁旗北部的道伦百姓乡的道伦百姓村,无霜期只有117天左右,≥10℃有效积温为2700℃,过去只能种植较低产的早熟品种,特别是春季地温较低,玉米、高梁等作物不能适时
The village of Duolun, located in the township of Dullein, north of Aruqerqin Banner, has a frost-free period of only about 117 days, an effective accumulated temperature of ≥10 ℃ is 2700 ℃. In the past, only low-yielding precocious varieties could be planted, especially in the spring Corn, sorghum and other crops can not be timely
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