The intensive agricultural production by the over use of agro-chemicals in the state of Punjab has resulted in higher NO3-N concentration in ground water, which leads to ground water pollution. The LEACHM model developed by Wagenet & Hutson is used to predict nitrogen transport in multi layered soil profile under irrigated rice crop in northern India.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/modeling-fertilizer-nitrogen-irrigated-rice-fields
[2] http://admin.indiaenvironmentportal.org.in/category/author/mukesh-kumar
[3] http://admin.indiaenvironmentportal.org.in/category/author/k-g-singh
[4] http://admin.indiaenvironmentportal.org.in/category/author/s-k-shakya
[5] http://admin.indiaenvironmentportal.org.in/category/journal/hydrology-journal
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chemical-fertilisers
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rice
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/irrigation
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-pollution