Interviews, pictures and presentations with and from Groasis

The Groasis Ecological Water Saving Technology has gathered various visuals for you. This material contains pictures, interviews given by Pieter Hoff, PowerPoint documents that you can use for your own presentations and more! 

Interviews with Pieter Hoff

Pieter Hoff, the inventor of the Groasis Ecological Water Saving Technology gives regular interviews. We have gather all the interviews for you and put them in a list.  

Radio 1 - 2017 Video
Innovatie estafette - 2017 Video
BEBR - 2017 Video
Boerderij Vandaag - 2017 Text
Rijksdienst voor Ondernemend Nederland - 2016 Video
Omroep Brabant - 2016 Video
Radio interview NPO - 2016 Listen fragment 
Agua, Vida y Naturaleza - 2015 Video
How can trees live - 2015 Video
Babson Energy - 2013 Text
BV Brabant - 2010 Video 
Poptech interview - 2010  Video
Poptech seminar Camden Maine - 2010 Video
ABC 7 San Francisco - 2010 Text 
RTL nieuws - 2009 Video

Speeches about the Groasis Ecological Water Saving Technology

Marjolijn Sonnema (Dutch Director General Agro and Nature, Ministry of Economic Affairs) about the Growboxx® at the Business Forum Argentina - Holland (May 2017)  Download

Download pictures

Here you can find various downloads of pictures. You will find pictures of Pieter Hoff, the inventor of the Groasis Ecological Water Saving Technology, diverse reforestation projects and more! Do you need more pictures? Please take a look at one of our photo albums. Click here to go to the photo albums of the plantings and click here to go to the photo albums of the results.  

Pieter Hoff with Mark Rutte (Prime Minister of the Netherlands) and the other winners of the National Icons  Download
Pieter Hoff with the Growboxx® plant cocoon in his botanical garden Download
Pieter Hoff with the Growboxx® plant cocoon after winning the National Icons Download
Pieter Hoff during a presentation at the preliminaries of the National Icons Download
All the 10 finalists of the National Icons Download
Pictures of Pieter Hoff with trees Download
Pictures of multiple projects Download

PowerPoint presentations 

Do you want to have the official PowerPoint presentation of Groasis and use it for you own speeches? You can do that! Download here the PowerPoint with the corresponding videos. Besides the PowerPoint presentation, you are free the use all the other imagery that you will find on this page. 

Groasis Power Point Presentation - version 2017 Download
Download here the movie of the Dubai experiment  Download
Download here the movie of the Ecuador project - 200 days after planting Download
Download here the movie of the Groasis Capillary drill Download

The drawings of the Waterboxx® plant cocoon

Download here the official drawings of the Waterboxx® plant cocoon. In these drawings you can see what the functionalities are of the Waterboxx® plant cocoon and how it works. 

Groasis logo and the Waterboxx® plant cocoon drawing Download 
The open design of the Waterboxx® plant cocoon Download
The design of the Waterboxx® plant cocoon - top and side view Download