By analyzing the natural factors, the paper points out that drought, low temperature, scant sunshine and the damages of diseases and vermin are the main factors that influence the planting of winter wheat in dry-lands on Loess Plateau of Gansu.
By analyzing the natural factors, the paper points out that drought, low temperature, scant sunshine and the damages of diseases and vermin are the main factors that influence the planting of winter wheat in dry-lands on Loess Plateau of Gansu.
摘要通过对自然因素分析指出，在陇东黄土高原旱地干旱少雨，低温寡照，病虫危害是该区冬小麦生产的主要影响因子。