Farmer Subhash Sharma watched the decline of his soil and agricultural yields before he let nature be his teacher and understood the agro-economics of agriculture. He abandoned insecticides and chemical fertilisers and relied instead on the cow, trees, birds and vegetation.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/new-natural-economics-agriculture
[2] http://admin.indiaenvironmentportal.org.in/category/author/subhash-sharma
[3] http://admin.indiaenvironmentportal.org.in/category/journal/infochange-agenda
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agroforestry
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/organic-farming
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agroecosystem-planning
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/yavatmal-d