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烟熏剂是由农药原药、发热剂、助燃剂、分散剂等采用特别方法配制而成。当前生产上施放烟熏剂是防治棚室内蔬菜瓜果病虫害的一种新的施药方法。由于方法简便、效果显著、成本低廉、残留量少、广谱性强等特点,所以,它是无公害绿色食品的好途径,深受广大菜农欢迎。目前市场已上市并应用的烟熏剂品种有:百菌清、速克灵、杀毒矾等杀菌防病烟熏剂;还有敌敌畏等杀虫烟熏剂。以上烟熏剂的使用技术是:1.一般于黄昏后进行,但阴雨、雪天也可白天进行。2.棚室内要多点布放、均匀设置,并用铁丝、砖石、陶瓷作支架,将烟熏剂支于离地面20～30厘米高处即可。3.燃放时,应从棚室自内向外、按顺序点火(不能明火),使其正常继续发烟、点燃后迅速封闭门窗过夜,
Fumigant is the original pesticide, fever, combustion improver, dispersant, etc. prepared by a special method. The current production of fumigation agent is applied to control greenhouse pests indoor fruits and vegetables a new method of application. Because of the simple method, the effect is significant, the cost is low, the residual amount is less and the broad spectrum is strong. Therefore, it is a good way for pollution-free green food and is welcomed by the majority of farmers. Currently on the market and application of the fumigant varieties are: chlorothalonil, speed kelin, anti-virus alum and other bactericidal anti-bacterial fumigation agent; there are dichlorvos and other insecticide fumigants. The above fumigant use of technology are: 1. Generally carried out after the dusk, but rainy, snow can also be carried out during the day. 2. To shed indoor multi-point layout, uniform setting, and with wire, masonry, ceramic for the stent, the fumigant support in the ground from the height of 20 to 30 cm can be. 3. During discharge, the greenhouse should be fired from inside to outside, ignited in sequence (can not open flame), allowed to continue to smoke normally, closed doors and windows quickly after ignition,