石硫合剂是由石灰、硫磺和水熬制而成的自配农药,成本低、效果好,是用于防治介壳虫、螨类害虫的杀菌杀螨剂,主要在果树休眠和生长前期应用。为了提高使用效果,应注意以下几个问题:一、熬制方法得当生石灰以密度较小(块大且轻)、颜色灰白的为好,硫磺要粉碎成粉状,粒度越细越好。 Limestone is a self-made pesticide made from lime, sulfur and water. It has the advantages of low cost and good effect. It is used as a bactericidal and miticidal agent for controlling scale insects and mite pests, and is mainly applied in dormancy and growth of fruit trees. In order to improve the use of results, should pay attention to the following questions: First, the brewing method Proper lime to a smaller density (block large and light), the color gray as well, sulfur to be crushed into powder, the smaller the better.