A major advantages of herbicide-resistant crops is that non-selective herbicides can be used , reducing the number of applications needed .
抗除草剂作物的主要优势就是可以使用那些非选择性的广谱除草剂,减少除草剂必需的应用数量。
Evaluating the usefulness of herbicides on cotton .
棉花除莠剂效用的评定。
Chemicals for forestry , except fungicides , herbicides , insecticides and parasiticides .
除杀真菌剂、除莠剂、杀虫剂、杀寄生虫剂外的林业用化学品。
One drills for oil and gas , the other distributes herbicides and pesticides .
一个钻探石油和天然气,另一个销售除草剂和杀虫剂。
Researchers are also inserting bacterial genes into corn and soybean plants to better protect them from insects or render them immune to certain herbicides .
研究人员还把细菌基因插入到玉米和大豆这些植物中,以便防止病虫害或提高这些植物对某些除莠剂的免疫力。
Weed scientists are urging farmers to alternate glyphosate with other herbicides .
杂草学家们正在督促农民去用其他的除草剂来替代草甘膦。
Genetic engineering to develop better herbicides .
利用基因工程制造更好的除草剂。
Are herbicides hazardous to your health ?
除草剂对你的健康是危险?
These genes can accept carefully chosen chemical herbicides without being harmed .
这些基因可以耐受精心选择的化学除草剂而本身不会受影响。
Impact of broad-spectrum herbicides on biodiversity .