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土壤消毒是防治花卉病虫害的重要措施,目前常用的方法有下面几种。一、药剂消毒常用的药物有福尔马林、五氯硝基苯、代森锌、苏代911、硫酸亚铁、托布津等等。药剂消毒简便易行,但药剂对植物也有药害,故使用时要注意喷洒时间、浓度及方法。一般在播种、扦插、换盆前10～20天用药。 1.播种用地消毒一般消毒方法是:每平方米用福尔马林50毫升加水6～12升稀释,喷洒于播种地上,立即用塑料薄膜覆盖1～2天,再晾晒一段时间后使用。也可喷洒
Soil disinfection is an important measure to prevent and control flower pests and diseases. There are several commonly used methods below. First, pharmaceutical disinfection commonly used drugs are formalin, pentachloronitrobenzene, deuterin, Su 911, ferrous sulfate, Topaz and so on. Disinfection is simple and easy, but the medicine has phytotoxicity on the plant, so pay attention to spraying time, concentration and method. Generally in the sowing, cutting, changing basin 10 to 20 days before treatment. 1. Sowing land disinfection General disinfection method is: 50 ml of formalin per square meter with water 6 ~ 12 liters diluted, sprayed on the sown on the ground, immediately covered with plastic film for 1 to 2 days, and then drying for some time after use. Can also be sprayed