With the increase in paddy cultivation in Northern plains of India due to advanced agriculture technology, the amount of paddy straw has also increased proportionately. According to a recent report 197 lakh tons of paddy straw is being burnt every year only in Punjab state.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/studies-degradation-paddy-straw-its-indigenous-mycoflora
[2] http://admin.indiaenvironmentportal.org.in/category/author/prem-pal-johl
[3] http://admin.indiaenvironmentportal.org.in/category/author/shashi-dhanda
[4] http://admin.indiaenvironmentportal.org.in/category/journal/indian-journal-ecology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rice
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farm-residues
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-conversion
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab