Horiver Rollertrap
hung above the crop when the crop is still low Attach the Rollertrap to crop wires, greenhouse poles, or other supporting structures Place the Rollertrap [...] ely 25 cm above the crop, except for the 30 cm width which needs to be placed 40 cm above the crop To assist with placement, insert a rod or other expedient [...] through the center opening of the roll which will allow the Rollertrap to spin freely while unrolling At the beginning and end of each run, cut the trap