论文部分内容阅读
互助县位于青海省东北部,平均海拔2700m,冬无严寒,夏无酷暑,年平均气温3.5℃,属大陆寒温带气候,是理想的高产作物制种区。全县总耕地面积
Huzhu County is located in the northeastern part of Qinghai Province, with an average altitude of 2700m. It is an ideal high-yielding cropping area because it is cold in winter and cold in summer with annual average temperature of 3.5 ℃. The county’s total arable land