关岭县位于贵州省中部偏西南、为多个少数民族居住地。县内地面切割破碎，相对高差悬殊，形成了境内以中亚热带为主的南温带和北亚热带气候区，西瓜生产主要集中在属中亚热带的境内东部，其冬春多干旱，夏季多暴雨洪涝和高温，给西瓜生产带来障碍。以往由于该区西瓜品种选择不 Guanling County is located in the central southwest of Guizhou Province, for a number of ethnic minorities living. The ground cutting in the county is fragmented with relative height differences, forming the southern temperate and northern subtropical climatic zones mainly in the Central Asia subtropical zone. Watermelon production is mainly concentrated in the eastern subtropics, with more drought in winter and spring and more heavy rains and floods in summer And high temperature, bring watermelon production obstacles. In the past due to the area watermelon varieties do not choose