field weed meaning in English

杂草

Study on effect of 50 sct latex to kill maize field weed
杀草特2号乳油防治玉米田杂草药效的研究
Study on effect of 40 propisechlor atrazine to kill spring maize field weed
异丙草183 ;莠悬乳剂防除春玉米田杂草药效的研究
Abstract : by using computer image processing technology , features of weed in the corn seedling field were analyzed , the field weed was recognized from the corn seedling , the weed position and growing state were found out
文摘:利用计算机图像处理技术分析了玉米苗期田间杂草的特征量，识别出田间杂草并确定了杂草的位置和生长状况。
Plants in tang shan teachers college can be classified into 58 families , 100 genus , 116 species , excluding turf grass and field weed . there exist such problems as monotonous species and insufficient vertical afforestation
摘要唐山师范学院校园植物种类主要有58科， 100属， 116种（不包括草坪草及田间杂草），校园绿化存在植物种类单一、垂直绿化不够等缺陷。