论文部分内容阅读
东部山区冬小麦试种试验初报卜照清杨智强(抚松县农业技术推广总站)扶松县地处吉林省东部山区松花江上游,长白山北麓。全县总面积6530平方公里,总人口30万,其中农业人口11万人,耕地总面积1.673万公顷。全县分五个气候区,无霜期在130天左右,最长1...
Preliminary Report on Trial Planting of Winter Wheat in Eastern Mountain Area Zhao Zhaqing Yang Zhiqiang (Fusong County Agricultural Technology Extension Station) Fusong County is located in the upper reaches of the Songhua River in the eastern mountainous area of Jilin Province, north of Changbai Mountain. The county a total area of 6,530 square kilometers, with a total population of 300,000, of which agricultural population of 110,000 people, a total area of 167,300 hectares of arable land. The county is divided into five climatic zones, frost-free period of about 130 days, the longest 1 ...