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为更好研究防虫网覆盖作用及其实际应用技术，结合去年不同目数防虫网的覆盖使用效果，今年开展不同覆盖方式试验。１材料和方法１．１试验处理（１）大棚防虫网全封闭覆盖；（２）大棚顶部用塑料薄膜，裙膜用防虫网全封闭覆盖； ＣＫ１露地不覆盖栽培，喷杀虫剂；ＣＫ２露地不
In order to better study the role of insect net coverage and its practical application of technology, combined with the coverage of the use of different mesh insect net last year, this year to carry out different coverage test. 1 Materials and methods 1.1 Test Treatment (1) shed plastic net cover closed; (2) the top of the plastic shed with a plastic film, skirt film with airtight net closed; CK1 open covered cultivation, insecticide spray; CK2 open field Do not