利根砂有效成分为0.5%阿维菌素,属于环保高效杀线剂,具有触杀、胃毒作用,渗透力强,对果蔬根结线虫有很好的防治效果,能使线虫幼虫失去繁殖和侵染能力,从而达到防治根结线虫的目的。对人畜无毒、无残留、无污染,符合现代环保要 Lee root sands the active ingredient is 0.5% avermectin, belongs to the environmental protection and efficient nematicide, with contact kill, stomach poisoning, strong penetration, fruit and vegetable root knot nematode have good control effect, can make nematode larvae lose their breeding and invasion Dyeing capacity, so as to achieve the purpose of controlling root knot nematodes. Non-toxic to humans and animals, no residue, no pollution, in line with modern environmental protection