A field experiment was conducted during 2003
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/alternate-options-rice-oryza-sativawheat-triticum-aestivum-cropping-system-partially
[2] http://admin.indiaenvironmentportal.org.in/category/author/y-p-singh
[3] http://admin.indiaenvironmentportal.org.in/category/author/ranbir-singh
[4] http://admin.indiaenvironmentportal.org.in/category/author/d-k-sharma-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-capability
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-reclamation
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rice
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wheat
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-conservation
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttar-pradesh