PIRSA researcher Dr John Heap explains silverleaf nightshade and why it's such a difficult weed to control. In another video, John explains the biological control option being investigated: [ Ссылка ]
Ещё видео!
PIRSA researcher Dr John Heap explains silverleaf nightshade and why it's such a difficult weed to control. In another video, John explains the biological control option being investigated: [ Ссылка ]