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棚室蔬菜栽培在我国蔬菜生产中占有相当的比重。随着人们健康意识的不断增强和诸多城市食品安全准入证制度的相继实施,如何克服传统棚室蔬菜栽培中的弊端,提高棚室蔬菜标准化生产水平,提升产品档次,大力发展绿色蔬菜生产,已成为棚室蔬菜生产的主攻方向。1 棚室蔬莱生产弊端1.1 有害气体污染 为了方便或节省投资,传统习惯上,常在毗邻村庄、公路、工矿企业的区域内选址建棚,极易受到二氧化硫、氯气、氟化物、碳氢化合物及烟尘的污染。不仅直接伤害蔬菜,影响棚室采光,还会使有害物质在蔬菜中积累,影响蔬
Greenhouse vegetable cultivation occupies a considerable proportion of vegetable production in our country. As people’s health awareness continues to increase and many city food safety access control system has been implemented, how to overcome the shortcomings of the traditional greenhouse cultivation of vegetables to improve the standard production of greenhouse vegetables, improve product quality, and vigorously develop green vegetable production, Has become the main direction of greenhouse vegetable production. 1 vegetable greenhouse production malpractices 1.1 harmful gas pollution In order to facilitate or save investment, the traditional customs, often in the adjacent villages, highways, industrial and mining enterprises in the site siting, vulnerable to sulfur dioxide, chlorine, fluoride, hydrocarbon Compound and smoke pollution. Not only directly hurt vegetables, affecting the shed lighting, but also make the accumulation of harmful substances in vegetables, affecting vegetables