Agricultural production from the deltaic regions is the highest in countries like India. Study of groundwater quality, which is a function of physical and chemical parameters of the geological formations, is important as it will affect the agricultural production.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/seasonal-and-spatial-variation-magnesium-chloride-concentration-groundwater-deltaic
[2] http://admin.indiaenvironmentportal.org.in/category/author/e-vetrimurugan
[3] http://admin.indiaenvironmentportal.org.in/category/author/l-elango
[4] http://admin.indiaenvironmentportal.org.in/category/journal/indian-journal-environmental-protection
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-quality
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticide-use
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karaikal
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kumbakonam