Herbicide
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Herbicides, also commonly known as weedkillers, are pesticides used to kill unwanted plants. Selective herbicides kill specific targets, while leaving the desired crop relatively unharmed. Some of these act by interfering with the growth of the weed and are often synthetic "imitations" of plant hormones. Herbicides used to clear waste ground, industrial sites, railways and railway embankments are not selective and kill all plant material with which they come into contact. Smaller quantities are used in forestry, pasture systems, and management of areas set aside as wildlife habitat.
- Related: Index of pesticide articles, Bioherbicide, Rainbow herbicides, Soil contamination, Surface runoff, Weed
| National Pesticide Information Center National Pesticide Information Center npic.orst.edu - Web |
| National Agricultural Statistics Service National Agricultural Statistics Service www.nass.usda.gov - Web |
| US EPA US EPA www.epa.gov - Web |
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| UK Pesticides Safety Directorate UK Pesticides Safety Directorate www.pesticides.gov.uk - Web |
| European Commission pesticide information European Commission pesticide information europa.eu.int/.../index_en.htm - Web |
| Pest Management Regulatory Agency of Canada Pest Management Regulatory Agency of Canada www.pmra-arla.gc.ca - Web |
