rape field weed 油菜田杂草
rice field weed 水稻田杂草
lawn field weed 草坪地杂草
corn field weed 玉米田杂草
maize field weed 玉米田杂草
field weed control 田间杂草防治
Field weed community 田间杂草群落
summer maize field weed 夏玉米田杂草
field d weed 杂草
Wheat field weed survey was conducted using an inverted W-pattern with 9 sampling points in the north region of Heilongjiang province.
运用倒置“W”9点取样法，对黑龙江省北部大豆小麦轮作区小麦田做杂草调查。
Evaluation of novel transgenic lines is initially in small-scale field trials, where it is likely that rare events, such as hybridization with weed species, may have insignificant consequences.
新的转基因品种的最初评估是在小规模田间试验中进行的，在此试验条件下，稀有事件例如与杂草种的杂交可能不会产生明显的结果。
On the field of agriculture and plant protection, weed identification technology in machine vision research at home and abroad has made part of the results.
在农业植保领域中，杂草识别在机器视觉技术的研究国内外已经取得了部分成果，绝大多数研究都集中在杂草植株的个体上。
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