碳铵熏蒸法防除地膜杂草据陕西省棉花所刘水利报道：利用碳铵的氨气易挥发性，熏死膜内杂草，施后２小时内杂草死亡率达１００％；杀草谱广，对各种杂草均有效；由于药效的挥发限于地膜下进行；对作物绝对安全，若土壤含水量在８０％以上，还兼具一定肥效，即在膜内杂草基... Ammonia ammonium fumigation method to control plastic film weeds, according to Liu Shui Li, Shaanxi Province Cotton Institute reported: the use of ammonium bicarbonate ammonia volatile, smoked the membrane within the weed, within 2 hours after weed death rate of 100%; Wide range of weeds are effective; due to the efficacy of volatile limited to under the film; on the crop absolutely safe, if the soil moisture content in more than 80%, but also both have certain fertilizer effect, that is, in the film weed base ...