Methodical current promotion of low-volume, ultra low volume surface damage to crops pest prevention spray, spray has the advantage over conventional ergonomics of the province; Shi granules or pharmaceutical stuffy species control soil pests than spraying methods province, efficient, reduce pesticide drift, etc; with the absorption repellent stem or root zone application methods of pest control, with the province, the provincial drug, protection of natural enemies and other advantages. In addition to selecting the appropriate method of application outside off four victims of drugs, but also pay attention to the amount and frequency of pesticide to eliminate the four victims, such as drugs less, amounted to less than prevention purposes supermarket off four victims, drug quantity is easy to produce injury and waste. 4. Diflubenzuron. Insect growth regulator to stomach the main tag followed. Can control a variety of lepidopteran pests and leaf miner classes. In the young larvae suspending 1500-2000 times spray with 25% diflubenzuron. 5. Diflubenzuron. Also known as the 1st diflubenzuron, diflubenzuron. For specific pesticides. Leafminer larvae can prevent Diptera and Lepidoptera pests crustaceans. Generally young larvae with 5% diflubenzuron EC 1000-2000 times or 25% WP 3000-4000 times spray. Four victims off drugs, Fuzhou Shengwei (certified), off four victims provided by Fuzhou Shengwei Environmental Technology Limited. Environmental Technology Co., Ltd. Fuzhou Shengwei (www.fzsw.com.cn) is Fuzhou, insect terminator leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Shengwei leadership in Fuzhou with the staff warmly welcome all inquiries negotiations to create Fuzhou Shengwei a better future.