西瓜枯萎病遇克星重茬种瓜连年丰收骄阳似火的８月，正是北京西瓜收获的季节，我随着北京市水科所的同志来到了有名的瓜乡庞各庄。只见水科所的试验地里滚圆的大西瓜躲藏在油绿的瓜叶下，个个都有一几斤重。瓜地的主人老宋喜滋滋地告诉大家：这块地已经连续种了６年瓜，亩... Watermelon Fusarium Winking stubble stubble year after year bumper harvest Sun like fire August, it is the Beijing watermelon harvest season, I with the Beijing Water Institute comrades came to the famous melon Township Panggezhuang. I saw the water of the experimental ground round watermelon hiding in the green under the melon leaves, all have a few pounds weight. The owner of the melon song Song happy to tell you: This piece of land has been continuously planted 6 years melon, mu ...