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免耕旱直播稻田杂草严重,影响直播稻高产,利用化学药剂除草,是解决直播稻田杂草的重要手段。1988年我站采用30％扫茀特进行除草试验,现初报如下: 一、材料与方法试验在白蒲镇文峰村三组进行,前茬小麦,轻壤土,肥力中等,地势平坦。供试品种为盐粳3号中稻。田间主要杂草有水苋菜、千金子、莎草属杂草等,一般每平方米有杂草150株左右。
It is an important method to solve the weeds in direct-seeded rice fields that severe weeds in direct-seeded rice fields affected the high yield of direct seeding rice and the weeding by chemical agents. In 1988, I used 30% Sweeper to conduct weeding test. The first reports are as follows: I. Materials and Methods The experiment was carried out in three groups of Wenfeng Village, Baipu Town. The former crop of wheat and light loam soil had moderate fertility and flat topography. The test varieties were salt japonica rice 3. The main weeds in the field are amaranth, millet, sedge weeds, etc., generally about 150 per square meter of weeds.