在所有的许多调节物质中，有控制性的和选择性的除草剂。
Among the many regulatory substances in use we have controllable and selective herbicides.
金豆是一种新的选择性广谱除草剂。
磺酰脲类除草剂可被植物的根、茎和叶强烈吸收，并在植株内迅速传导转移和代谢，快速代谢失活是作物对该类除草剂的选择性基础。
Sulfonylurea herbicide can be absorbed by roots, stetro and leaves, and rapidly transported and metabolized in plants. Rapid metabolize is the basis of selectivity of this kind of herbicide.
草甘膦是一种广谱、非选择性芽后除草剂，它被越来越广泛地应用于农业。
Glyphosate is a broad spectrum, nonselective, and post-emergence herbicide. It is used more and more widely used in agriculture.
草甘膦是一种广谱、非选择性芽后除草剂，它被越来越广泛地应用于农业。
Glyphosate is a broad spectrum, nonselective, and post-emergence herbicide. It is used more and more widely used in agriculture.
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