蔬菜网纱栽培是一项实用有效的物理防虫栽培新技术。网纱栽培蔬菜,不用或少用农药,杜绝农药对蔬菜产品污染,符合市民日益增长的消费质量要求,也有利于生态环境的改善。无锡市郊区从1997年开始应用,至今网纱拥有量已达54万m~2,为“放心菜”工程,特别是夏秋无农药污染的叶菜生产发挥了积极作用。两年来,我们对网纱的规格、温度及蔬菜生长的影响、防虫效果进行了试验和观察。 Vegetable net yarn cultivation is a practical and effective new anti-insect physical cultivation technology. Net yarn cultivation of vegetables, no or less pesticides to eliminate pesticide contamination of vegetable products, in line with the growing consumer demand for quality, but also conducive to the improvement of ecological environment. The suburban area of ​​Wuxi City has been in use since 1997, and the number of net yarn has reached 540,000 m 2 so far. It has played an active role in the production of “Relief Dishes” project, especially the production of leafy vegetables without pesticide contamination in summer and autumn. In the past two years, we conducted tests and observations on the gauze specifications, temperature and vegetable growth effects and pest control effects.