近年来,春季麦田化学除草技术应用比较普遍,有效控制了杂草危害。但也有许多群众在化学除草中存在使用药剂不对路、施药技术不科学等问题,造成的直接后果是防效不理想,成本增加,草相变化,甚至发生药害而显著减产。因此,在春季麦田施用化学除草剂时要注意以下几项技术。1.适期适 In recent years, spring wheat field chemical weeding technology is more common, effective control of weed hazards. However, there are also many people in the chemical weeding in the use of pharmacy wrong way, unscientific application of pesticides and other issues, the direct result of the anti-efficiency is not ideal, the cost increases, the grass phase changes, and even the occurrence of phytotoxicity and significant reduction. Therefore, in the spring wheat fields when applying chemical herbicides should pay attention to the following techniques. Suitable period