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- Dictionaryherbicide/ˈhəːbɪsʌɪd/
noun
- 1. a substance that is toxic to plants, used to destroy unwanted vegetation: "farmers sprayed a protected wildflower meadow with herbicide"
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noun
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Herbicides, also commonly known as weed killers, are substances used to control undesired plants, also known as weeds. Selective herbicides control specific weed species while leaving the desired crop relatively unharmed, while non-selective herbicides (sometimes called "total weed killers") kill plants indiscriminately. The combined effects of herbicides, nitrogen fertilizer, and improved cultiva... Wikipedia