Experiments have been carried out on the impact of commonly used pesticides on the population of earthworms and enchytraeids in rice-wheat cropping system.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/impact-pesticides-earthworms-and-enchytraeids-and-their-bio-diversity-rice-wheat
[2] http://admin.indiaenvironmentportal.org.in/category/author/k-karnatak
[3] http://admin.indiaenvironmentportal.org.in/category/author/d-c-karnataka
[4] http://admin.indiaenvironmentportal.org.in/category/author/awdesh-shukla-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/himalayan-journal-environment-and-zoology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticides-and-toxins
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/earthworms
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rice
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wheat
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indo-gangetic-plains
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pesticide-use
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/uttaranchal-uttarakhand
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/quinalphos
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chlorpyriphos