农药使用方法通常有喷雾、喷粉、毒饵、熏蒸、拌种、浸种、撒施、泼浇、涂抹、毒谷、毒土等方法.使用最多的是喷雾法.而喷雾法又按单位面积施药液量的多少分为大容量喷雾(常量喷雾)、中容量喷雾、低容量喷雾、很低容量喷雾、超低容量喷雾等.低容量喷雾地面每亩喷施1～10公斤药液.喷雾机具为机动背负式喷 Pesticide use methods are usually spray, dusting, bait, fumigation, dressing, soaking, spreading, pouring, painting, poison valley, poison soil and other methods. The most used is the spray method. The amount of liquid is divided into large-capacity spray (constant spray), medium volume spray, low volume spray, low volume spray, ultra low volume spray, etc. Low volume spray the ground spraying 1 to 10 kg of liquid per acre. Machine is a portable knapsack spray