广西北海地区属于典型的南亚热带海洋性季风气候,夏热冬暖,四季不分明,日照短,全年基本无霜,无霜期358～365天。近年来,本地政府为了贯彻中央一号文件精神,调整农业结构,促进农民增产增收,发动和鼓励农民冬种马铃薯。冬种马铃薯已逐年发展成为产业化农业,每年10月份播种,第二年 The Beihai region of Guangxi belongs to the typical southern subtropical maritime monsoon climate with hot summer and warm winters. The four seasons are not clear and the sunshine is short. The annual frost-free period is 358 ~ 365 days. In recent years, in order to implement the spirit of the document No. 1 of the Central Government, the local government has readjusted the agricultural structure, promoted the increase of farmers’ incomes, and started and encouraged farmers to grow potatoes in winter. Year of winter potato has developed into industrial agriculture year after year, sowing in October, the second year