Latest Breaking News On - Yancheng district forestry station - Page 1 : vimarsana.com

杨树是苏北地区绿化造林主栽树种之一，近年来种植面积迅速扩大，但由于树种单一和防治技术缺位，导致病虫害发生严重。草履蚧是杨树早期危害的害虫之一。草履蚧在盐城地区一年发生1代，具有虫体.

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