On 17 August 2018, Dr. Tanyaporn Kerdnoi and RIHES team were invited as speakers for 2018 agricultural promotion per sufficiency economy concept for agriculturists in Sri Bua Ban sub-district, providing knowledge on pesticide-free vegetables, pesticide residue test, prevention from chemical exposure/use, and demonstration of fermented herbal water in substitution for chemicals. The activity was conducted on 17 August 2018 at Learning Center for increasing agricultural production efficiency of Sri Bua Ban sub-district in Ban Tung Yao, Moo 7, Sri Bua Ban sub-district, Muang, Lampoon, and gained much interest from attendees.