Floating Islands That Work: TVNI’s Revised Vetiver Floating Island Specification v2.1 A Vetiver Floating Island is a simple idea: a buoyant raft planted with vetiver grass, anchored on a polluted pond or lagoon, with the plant’s dense vertical roots hanging…
A reader’s guide to the Vetiver Hedge Mechanisms standard, for members who do not build slopes for a living Our design standard guide Vetiver Hedge Mechanisms now runs to a hundred pages and eighteen annexes, and parts of it are…
The following standards and guides have been corrected and updated: D4 – VGT – Microbial Root Dips for Vetiver Establishment v3 D5 – VGT – Vetiver and Arbuscular Mycorrhizal Fungi (AMF): Soil Health, Water, and Nutrient Transfer v3 D6- VGT…
For most of its working life, vetiver has been valued as an “engineer”. It holds slopes, slows runoff, traps sediment, drains waterlogged ground, and treats decontaminated water and land . That reputation is deserved and thoroughly documented. But the same…
Vetiver Against Stem Borers: One Simple Rule Decides Where It Travels In the paddy fields of Zhejiang, China, a quiet revolution in rice pest management has been running for more than a decade. Farmers plant rows of vetiver grass along…
A reference table separating the sterile cultivars used in Vetiver Grass Technology from the fertile, seed-bearing accessions that carry the invasiveness record Invasiveness in vetiver is a property of the genotype, not of the species. The material used in Vetiver…
Reading the Land from Space — A Compendium on Satellite Imagery and Field Evidence for the Vetiver System Guide to the seven documents, and the order to read them This compendium brings together what a land-restoration program can and cannot…
How Vetiver Retrofits Turn 7% Yield Losses Into 200%+ Gains—While Suppressing Pests Farmers Never Expected (the photos in this article are all from Ethiopia and show vetiver planted in the mid 1990s and the early 2000s) The transformation of Ethiopia’s…
For three decades, Vetiver Grass Technology (VGT) has demonstrated extraordinary technical performance in stabilizing engineered slopes—yet struggled with institutional adoption. Hong Kong documented ten years of zero slope failures, then rejected vetiver. Hawaii faced $70 million in flood damage and…