我队杂草种类繁多,主要有禾本科的说若、马塘、光头稗,菊科的肿红蓟,苋科的野苋菜,锦葵科的野黄麻,鸭跖草科的鸭跖草,莎草科的香附子等,以肿红蓟、说若、鸭跖草危害最凶。花生往往因草荒每亩只收几十斤,甘蔗苗期草荒,幼苗纤细,分蘗减少,造成减产。两种作物在正常年景每亩除草需2—3个工,草荒严重时要增加到4—5个工。1974年,我们在稻田施用化学除草剂成功的同时,又在旱地作物上试用除草剂,并在施药方法上进行了改进。过去,旱地作物的化学除草,惯用毒土与喷雾两种施药方法。这两种方法各有其优缺点。毒土法施用方便,但药剂分布不易均匀,除草效果不理想,喷雾法效果好,在 Our team a wide range of weeds, there are mainly said grasses, Matang, bald Echinacea, Asteraceae thistle, Amaranthus wild amaranth, Malvaceae wild jute, Commelina communis Compositae, Cyperaceae Aconite et al., To Erythrocyte, said if, Commelina endanger the most fierce. Peanuts are often due to grassland waste per acre only received a few pounds, sugarcane seedling shortage of grass, seedling slender, tiller reduction, resulting in reduced production. Two crops in normal years need to weeding 2-3 acres per acre, severe grass shortage to be increased to 4-5 workers. In 1974, we succeeded in applying chemical herbicides to paddy fields. We also tried herbicides on dryland crops and made improvements in application methods. In the past, dry weeds chemical weeding, conventional poison soil and spray two kinds of application methods. Both of these methods have their own advantages and disadvantages. Poisonous soil method is convenient for application, but the distribution of medicament is not easy to be uniform, the effect of weeding is not ideal, the effect of spray method is good,