When it comes to pest control, farmers have far more influence than you might think.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/new-model-may-reveal-how-humans-impact-pest-populations-agriculture
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-world-report
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crop-pests
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pest-control
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/scientists