覆防蟲(chóng)網(wǎng)均能有效地阻隔非微小型害蟲(chóng)和微小害蟲(chóng)的潛入,尤以40目防蟲(chóng)網(wǎng)為佳選擇,能很好地保護(hù)蔬菜免受害蟲(chóng)的為害而不影響蔬菜生長(zhǎng) 。
覆防蟲(chóng)網(wǎng)后有效地阻隔了害蟲(chóng)為害和傳毒,蔬菜病毒病發(fā)病少;覆網(wǎng)改善蔬菜的光照、溫度和濕度等生長(zhǎng)環(huán)境,促進(jìn)蔬菜生長(zhǎng)并相對(duì)地增加了蔬菜經(jīng)濟(jì)產(chǎn)量;