随着经济的发展和生活水平的提高,人们越来越关心自己和生存环境的健康,传统的化学药剂将逐步被低毒、低残留农药和生物防治所取代,花卉栽 With the economic development and improvement of living standard, people are more and more concerned about the health of themselves and living environment. Traditional chemical agents will be gradually replaced by low-toxicity, low-residue pesticides and biological control.