神奇的白花除虫菊除虫菊是多年生菊科植物，广泛用于高效、低毒、广谱、速效、无残留的除虫菊酯类农药、蚊香、避蚊油、臭虫粉、灭虱粉，还可配制土农药农户自用。除虫菊对人畜安全，对植物无药害，对环境无污染，对害虫不产生抗药性，与滴滴涕等慢性子农药相比，它可算得... Magic white flower pyrethrum Pyrethrum is a perennial Compositae, widely used in high efficiency, low toxicity, broad spectrum, quick, no residue of pyrethrins, mosquito coils, mosquito repellent oil, bug powder, tick lice, but also the preparation of pesticides Farmers use their own. Pyrethrum for human and animal safety, no phytotoxicity to plants, no pollution to the environment, no resistance to pests, compared with DDT and other chronic pesticides ...