The Carrot Root Fly Killer is a nematode which will be well received by gardeners across the country as they try to rid their allotments kitchen gardens & vegetable plots of the dreaded Carrot Root Fly in a safe & natural way. Water Carrot Root Fly Killer nematodes into the soil shortly after carrot seeds germinate & the larvae will be quickly located by the nematodes which waste no time in entering them to release a bacteria that results in death. Key application time of Carrot Root Fly Killer is once in late April/early May & once late in July when the threat of carrot fly is at its peak. Covers 12 sq.m. Please Note: this item will be dispatched at the optimum time for application which will now be from Late April/ Early May 2011