Claudio Ruben Daza Jimenez and his company, VetiverCol, have been working with the Vetiver System for many years and is an important and well proven vetiver business in Colombia. We encourage vetiver based companies to share their work, experience and…
Jeremy Berkoff is a development economist with more than forty years experience in consultancy, government and international agencies. His specialities are water resources and agriculture. For eighteen years he worked for the World Bank. Since 1994, he has been an independent…
Certificates of Technical Excellence. TVNI provides two types of certificates that recognize individual or company expertise in various applications of the Vetiver System. Details about this certification, lists of those certified, and an application form are at a completely revamped…
On March 1, 2022 TVNI hosted a webinar (#5): Vetiver Grass for the Control of Stem Borer of Rice in China. The Guest speaker, Dr. Zhongxian Lu, professor and head of crop insect pest management at the Institute of Plant…
The most recent (February 2022) devasting landslides in and around the City of Petropolis (located in Brazil’s state of Rio de Janeiro), are not new to the region, but the frequency and severity appears to be increasing due to…