To ensure sustainable productivity of land under cultivation and purity of water used for irrigation, the Punjab government has collected 3,10,120 samples of soil and 19,761 samples of water and an
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/112776-soil-health-cards-issued-punjab-farmers
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-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/farmers