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[[File:Crop Duster.jpg|thumb|right|A [[agricultural aircraft|crop duster]] applies pesticide Western corn rootworm]]
'''Pest control''' is group of methods to control some [[species]] of animals and plants that are considered by humans as harmful to their [[health]], [[economy]] or [[ecology]].<ref>http://www.ext.colostate.edu/pubs/insect/05556.html</ref>

[[Pest (biology)|Pest]] control is as old as [[agriculture]], as there has always been a need to keep crops free from pests.<ref>Official [http://la.24x7pestcontrol.com/ Pest Control lost angeles] website</ref> In order to get best results from food production there was always need to protect crops from competing plants trying to kill the crops to grow in its place.<ref>http://green.blogs.nytimes.com/2010/09/20/a-crop-sprouts-without-soil-or-sunshine/?partner=rss&emc=rss</ref>

==References==
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[[Category:Agriculture]]
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