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我场棉田杂草种类繁多,危害严重。主要有马唐、蟋蟀草、狗尾草等一年生杂草和狗牙根、香附子等多年生杂草。这些杂草不仅发生量大,而且生长面广,每年要花大批劳动力用于棉田中耕除草,还不能及时、彻底消灭。因此,草害是造成我场棉花低产的原因之一。为了消灭棉田杂草,节省劳动力,我们从一九六四年开始进行棉田化学除草的试验研
Our field of cotton weeds a wide range of serious harm. Main crabgrass, cricket grass, Setaria and other annual weeds and bermudagrass, Cyperus major perennial weeds. These weeds not only occur in large quantities, but also grow in a wide range. Every year, a large amount of labor force is required to cultivate and weed in the cotton fields, which can not be eradicated in a timely manner. Therefore, grass damage is one of the reasons for the low yield of cotton in our field. In order to eliminate weeds in cotton fields and save labor, we started to carry out chemical weeding tests in cotton fields from 1964