Organic farming supports higher biodiversity. Research involving the Colorado potato beetle shows that this increased diversity can deliver a better ecosystem service in the form of more effective pest control.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/how-get-even-pests
[2] http://admin.indiaenvironmentportal.org.in/category/author/andy-hector
[3] http://admin.indiaenvironmentportal.org.in/category/author/lindsay-turnbull
[4] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystem-services
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/organic-farming
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pest-control
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biological-pc
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticide-use
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us