小麦“一喷三防”已推广30多年,每年各级政府及农业部门都十分重视,又是制定措施,又是进行补贴。然而时至今日,部分农户对小麦“一喷三防”仍不够重视,认为只要肥水充足,管理得当,喷与不喷作用不大,有的仍不喷施,有的仅喷施一次,还不是十分认真细致。 Wheat has been widely promoted for more than 30 years. Every year, all levels of government and the agricultural sector attach great importance to it. It is also formulating measures and subsidies. However, as of today, some farmers are still not enough emphasis on wheat “one spray three defenses ”, that as long as sufficient fertilizer and water, properly managed, spray and spray is not effective, and some are still not sprayed, and some spray only once , Is not yet very careful.