Tag: Vetiver Grass Technology

A Poor Man’s Irrigation System – The Remarkable Hydraulics of a Vetiver Hedge

How a closed hedge spreads water, sorts sediment, and hands nitrogen and phosphorus to the crop below — and why a leaky one does the reverse I have described a properly functioning vetiver hedge as a poor man’s irrigation system…

Two New Papers: Why Vetiver Spreads Through Channels, and How to Build a Vetiver Service Company

TVNI has issued two companion papers for discussion. “From Proof to Practice” asks why a technology this well proven has been adopted so slowly, and finds that the lag is structural rather than informational. “Establishing a Vetiver Service Company” takes…

Water First — Think Water, Then Erosion

The Vetiver and Water foundation note — and why the order matters Ask most people what vetiver does and they will say it stops erosion. That is true, and it is the wrong place to start. Everything a vetiver hedge…

The Hedge that Builds Itself

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…

NEWSLETTER (NL2026-07): A Harder Look – Vetiver Design Standards – Guides – Updates and Revisions

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…

Vetiver Against Stem Borers: One Simple Rule Decides Where It Travels

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…

NEWSLETTER (NL2026-05): The $3 Revolution: Proving What Vetiver + AMF Can Really Do at Scale

This might be the most important post I write this year, and I'm going to be direct about why: We have something potentially extraordinary in our hands—a Vetiver- Arbuscular Mycorrhizal Fungi (AMF) partnership that research suggests could deliver 70-85% nematode...

Ethiopia’s Terraces Are Failing. Here’s What the Research Says They Need.

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…