Links:
[1] http://admin.indiaenvironmentportal.org.in/news/need-soil-conservation-editorial
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/assam-tribune-guwahati
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-resources
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-capability
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india