论文部分内容阅读
３３％除草通乳剂是美国氰胺公司生产的一种新型除草剂。经试验，对一年生杂草有极好的防效（如马唐、稗草、马齿宽、灰灰莱等）。现将试验结果报告如下。１试验方法试验设在两块大白菜田内。品种为青麻叶和津青９号。除草剂３３％除草通乳剂使用浓度为１５００毫升／公顷（处?
33% herbicidal emulsion is a new type of herbicide produced by the United States Cyanamid. After testing, annual weeds have excellent control effects (such as crabgrass, barnyard grass, horse teeth wide gray gray Lai). The test results are reported below. 1 Test Method Test set in two cabbage fields. Variety of green leaves and Tsz Tsing No. 9. Herbicide 33% Weed Control Emulsion is used at a concentration of 1500 ml / ha (where?