随着生活质量的提高，人们更加珍惜生命和生活，对蔬菜的质量，特别是其安全品质的要求越来越高。采取科学的栽培管理措施，控制蔬菜产品中的各种有害物质含量，生产符合无公害食品标准的蔬菜是新时期必须实现的奋斗目标。一、硅肥硅肥是一种硅酸钙为主的玻璃体矿物肥料，微碱 With the improvement of the quality of life, people value their lives and their lives more and more, and their requirements on the quality of vegetables, especially their safety and quality, are getting higher and higher. To take scientific cultivation and management measures to control the content of various harmful substances in vegetable products and to produce vegetables meeting the standards of pollution-free food is the goal that must be achieved in the new period. First, silicon fertilizer Silica is a calcium silicate-based mineral fertilizer, slightly alkaline