Category: water quality

Vetiver’s phytoremedial mechanism, and how it might mitigate water pollution in tropical countries with India as an example

Vetiver Phytoremediation – The  Mechanisms Vetiver grass (Chrysopogon zizanioides) removes agricultural and waste water (sewage) pollutants through four integrated biological mechanisms operating simultaneously. (1) The foundation is its massive vertical root system reaching 3-4 meters depth, creating enormous surface area…

Newsletter (NL 2025-11) – Mine Restoration – Knowledge Resources – Global Voices

From Scarred Mines to Blueberry Fields: A Story of Restoration from South China. In Baisha Town, Yingde City, the scars of illegal rare earth mining once defined the landscape. Jagged rocks and barren soil stretched across Mendong Village’s Fourth Pond,…

Newsletter (NL 2025-09) 100 year old vetiver hedges! Slope Stabilization, Feedback from the Field and more

100 Year old Vetiver hedgerows still functioning Vonnie Roudette of St Vincent and the Grenadines – “the best project manager ever”.   Vonnie is one of a number of outstanding women who develop and execute Vetiver related programs. She is a…

Newsletter – Vetiver Secrets, Soil Health, Wastewater, Forage (NL 2025-01)

The Secrets of Vetiver. As research is carried out on various attributes and applications of vetiver we are coming to learn how the plant functions and what it can do. A recent Chinese study “Reshaping the microenvironment and bacterial community…

The Vetiver System – A Changing Perspective. (NL-2024-05/06)

The Vetiver System – A Changing Perspective When John Greenfield and I introduced vetiver grass hedgerows to Indian Watershed development projects in the 1980’s the objective was to replace poorly designed — high maintenance, high cost conservation structures (graded contour…

ICV-8, Vetiver Networking in Latin America, Reducing pesticides in Venezuelan farm’s runoff, Promotional video on Green Infrastructure (TVNI-NL-2024-03)

Announcement of the 8th International Vetiver Conference The India Vetiver Foundation (IVF) – a recently constituted Indian organization dedicated to the promotion, cultivation, and utilization of vetiver grass as a sustainable solution for soil conservation, climate mitigation, and economic empowerment…

Critical Info and Data are in these Newsletters!

Vetiver Network News Letters from 1990-2002 This compilation of newsletters created from the originals, the latter were authored by Jim Smyle, Joan Miller, and Dick Grimshaw, record the research and development of the Vetiver Grass Technology following its introduction by…

Vetiver Hedge Spacing, Commercial Applications and News from Latin America (TVNI-NL-2023-11)

Vetiver Hedge Spacing. Effects of initial spacing on Vetiver hedgerow closure at 24 months, demonstrating that establishing a functional Vetiver hedgerow requires that the Vetiver be planted close together. Photo courtesy of Dr. P.K.Yoon (1993) In writing the first article…