An experiment was carried out at Maud Tea Estate, Chabua, Assam following the ancient techniques of controlling pests based on information given in Surapala's Vrikshayurveda and Chakrapani Mishra's Vishvavallabha.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/indigenous-techniques-control-termites-tea-plantations
[2] http://admin.indiaenvironmentportal.org.in/category/author/shamim-ahmed
[3] http://admin.indiaenvironmentportal.org.in/category/journal/asian-agri-history
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/north-east
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-pesticides
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pest-control
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biological-pc
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tea
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/traditional-knowledge
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/assam