Contrary to opinion articulated through various quarters, empirical evidence and various studies have shown that the agronomic practices since the Green Revolution, especially dependence on the whe
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[1] http://admin.indiaenvironmentportal.org.in/news/soil-fertility-has-improved-punjab
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-capability
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/green-revolution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wheat
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rice
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crop-yield
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture