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对黑光灯的利弊得失问题,历来有所争论。本站于1977年分别在稻田及棉田记录了灯诱益虫、害虫数量,现分析如下。 稻田装20瓦交流电黑光灯,位于整片近万亩双季稻区内,由3月1日至11月24日开灯。8月20日至9月30日,每50亩稻田装一台黑光灯作诱杀害虫用,对测报灯有明显的干扰。棉田是20瓦黑光灯并联20瓦日光灯的双光源,安装于近三千亩成片棉田内,四周有少量大豆、高梁、玉米,亮灯期由4月21日至11月4日,7、8月每150亩棉田配有一台20瓦黑光灯作杀虫用。黄昏至翌晨亮灯,风雨之夜也不停。
The pros and cons of black light problems have always been controversial. This site in 1977 were recorded in paddy fields and cotton fields induced light insects, pests, the number of are as follows. Paddy 20-watt ac black light, located in the whole area of nearly double acres of rice, from March 1 to November 24 lights. From August 20 to September 30, a black light bulb was installed for every 50 mu of paddy field to induce and kill pests, which obviously disturbed the report light. Cotton field is a 20-watt black light parallel 20-watt fluorescent light source, installed in nearly 3,000 acres into a cotton field, surrounded by a small amount of soybeans, sorghum, corn, light from April 21 to November 4, 7, August every 150 acres of cotton with a 20-watt black light for insecticide use. Dusk to the next morning light, rainy night also non-stop.