Scientific Studies
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Since the very beginning, Aqua4D has worked closely alongside some of the world’s leading agronomy universities in order to definitely verify the efficacy of its proprietary technology in a variety of settings. Now, after more than a decade, we are pleased to present here a selection of studies from various scientific institutions around the world.
Click on each study to expand, and request more detailed information, we will contact you.
Scientific collaborations
Research Institution: Agroscope Changins-Wädenswil, Research Station ACW, National – Competence Center for Nematology, Switzerland, 2010
Team:
- Dr Sebastian Kiewnick
Solution investigated:Nematodes
Crop: Tomatoes
Main results:
- Higher plant growth and vigor
- Less stress for the plant
- Lower Gall index and lower eggs number = nematodes control and reduced
damages on plants
Article published in the Journal Water Research 83 (2015) 184-194
Contact us for more detailed information about this study : 1 Influence of Aqua4D® electromagnetic treatment to remove the nematodesResearch Institution: INRGREF National Institute for Agricultural Engineering, Water and Forests, Tunisia, 2013
Team:
- Pr. Mohamed Hachicha
Solution investigated: Saline water
Crop: Maize seeds
Main results:
- Faster germination
- Higher germination rate: between 10 and 25% according to the Aqua-4D®
treatment time and salinity of water samples
Article published in the Journal of the Saudi Society of Agricultural Sciences (2016-Elsevier
Editorial System). Manuscript Number: JSSAS-D-14-00103R1
Research Institution: VOLCANI Center, Agricultural Research Organization (ARO), Nematology department, Israel, 2012
Team:
- Pr. Yitzhak Spiegel
Solution investigated: Biofilm reduction
Crop: Tomatoes
Main results:
- Higher plant growth and vigor
- Better root development
- Lower Gall index and lower eggs number = nematodes control and reduced damages on plants
Article published in the Journal Water Research 83 (2015) 184-194
Contact us for more detailed information about this study : 3. Control of plant-parasitic nematodes using Aqua4D®Research Institution: Higher Agronomical Institute of Chott Meriem, Tunisia, 2012
Team:
- Dr. Bouthaina AL Mohandes Dridi
- Pr. Najet Raouani Horrigue
- Falfoul Karima, engineer student
Solution investigated:Nematodes
Crop: Melon
Main results:
- Higher plant growth and vegetation
- Lower Gall index = nematodes control and reduced damages on plants
- Increase in production: +42%
- More efficient than Rugby nematicide
Research Institution: CATV Centre for Technical Adaptation and Extension, jointly with the Hassan II Institute of Agronomy in Agadir, Morocco, 2012
Team:
- Dr. Boujmaa SIRAT, Head of the CATV
- Mrs. Zahra Ferji, nematologist at the Agronomic and Veterinary Institute Hassan II
Solution investigated: Nematodes
Crop: Tomatoes
Main results:
- Lower Gall index and lower eggs number = nematodes control and reduced
damages on plants - Increase in production: +42%
Research Institution: Water and Environmental Research Laboratory (WERL), Faculty of Science and Technology, Al-Quds University, jointly with USAID and the Technical and Applied Research Center (TARC), Occupied Palestinian Territory 2012-2013
Team:
- Amer Marei and Dia Rdaydeh, WERL
- Dia Karajeh, USAID
- Nawaf Abu-Khalaf, TARC
Solution investigated: Saline water and water savings
Crop: Bell-peppers
Main results:
- Higher plant growth and vegetation
- Better quality
- Increase in nutrients absorption
- Water savings: 15%
- Increase in production: +20%
Article published in the Journal of Agricultural Science and Technology A4 (2014) 830-838
Contact us for more detailed information about this study : 6. Effect of Using Electromagnetic Brackish Water on Irrigated Bell Pepper CropResearch Institution: INRGREF National Institute for Agricultural Engineering, Water and Forests, Tunisia, 2013
Team:
- Pr. Mohamed Hachicha
Solution investigated: Saline water
Crop: Maize seeds
Main results:
- Faster germination
- Higher germination rate: between 10 and 25% according to the Aqua4D®
treatment time and salinity of water samples
Article published in the Journal of the Saudi Society of Agricultural Sciences (2016-Elsevier Save Editorial System). Manuscript Number: JSSAS-D-14-00103R1
Contact us for more detailed information about this study : 7. Effect of Aqua-4D® treated water on germination of maize seedsResearch Institution: CRRA Regional Center for Agronomical Research, jointly with INRGREF, Tunisia, 2013
Team:
- Pr. Hajlaoui Hichem, CRRA
- Pr. Borgi Ziad, CRRA
- Pr. Mohamed Hachicha, INRGREF
Solution investigated: Saline water
Crop: Tomatoes
Main results:
- Higher plant growth
- Better quality
- Higher yields: +96% (close to yields with potable water)
Research Institution: Higher Agronomical Institute ISA Chott Meriem, Tunisia, 2013
Team:
- Dr. Bouthaina AL Mohandes Dridi
- Pr Najet Raouani Horrigue
- Mabrouk Amina, engineer student
Solution investigated: Nematodes
Crop: Melon
Main results:
- Higher plant growth and vegetation
- Better root development
- Better fruit quality
- Increase in production: +6%
- No significant effect on nematodes (Gall index) due to a severe initial infestation
Research Institution: INRGREF National Institute for Agricultural Engineering, Water and Forests, Tunisia, 2016-2018
Team:
- Prof. Mohamed Hachicha, INRGREF
- Mohamed BOUHLEL, Mater Student
Solution investigated:Saline water
Crop: Soil only, without plants
Main results:
- The volumes of drainage water from electromagnetically treated irrigation water are significantly higher and the salt concentrations are also higher
Research Institution: ICA Iber Carthage Agro, Tunisia, 2013-2015
Team:
- Mamdouh Trabelsi
Solution investigated: Saline wate – Salt saturated soils
Crop: Vineyard
Main results:
- Higher plant growth, vigor and vegetation
- Higher length and volume of bunch of grapes: 15-20%
- Class grapes slightly improved
- Decrease in salt conductivity of the soil
- Increase in production: +15%
Research Institution: CATV Centre for Technical Adaptation and Extension, Morocco, 2014
Team:
- Dr. Boujmaa SIRAT, Head of the CATV
Solution investigated: Nematodes
Crop: Melon
Main results:
Contact us for more detailed information about this study : 12. Study of the influence of Aqua4D® with and without nematicide (Dischloropropene), on a melon culture in a greenhouse in the presence of nematodes
Research Institution: INRGREF National Institute for Agricultural Engineering, Water and Forests, Tunisia, 2016-2018
Team:
- Prof. Mohamed Hachicha, INRGREF
- Mohamed BOUHLEL, Mater Student
Solution investigated:Saline water
Crop: Soil only, without plants
Main results:
- The volumes of drainage water from electromagnetically treated irrigation water are significantly higher and the salt concentrations are also higher
Research Institution: Arava Development Company, Zohar Research Center, Israel, 2015-2016
Team:
- Dr. Effi Tripler
Solution investigated: Saline water
Crop: Melons
Main results:
- A reduced uptake of sodium and chloride
- An increased production yields
Research Institution: UIB University of the Balearic Islands, Research Group on Plant – Biology under Mediterranean Conditions, Spain, 2015-2016
Team:
- Dr. Hipólito Medrano Gil
- Dra Josefina Bota Salort
Solution investigated:Water savings
Crop: Tomatoes
Main results:
- Improvement of production yield: +10%
- Improvement of all quality criteria:
o Brix +12%
o Firmness +35%
o Total titrable acidity +42%
Research Institution: Nilo Coelho Project
Team:
- Producer – Agronomist Josival Amorin
- Nilo Coelho Project
Solution investigated:Nematodes (Meloidogyne enterolobii)
Crop: Guava
Main results:
- All trees that were attacked by nematodes have recovered a good shape and are now able to produce fruits
Research Institution: INRGREF National Institute for Agricultural Engineering, Water and Forests, Tunisia,
Team:
- Prof. Mohamed Hachicha, INRGREF
- Malek Moussa, PhD Student
Solution investigated: Saline water, Treated wastewater
Crop: Maize
Main results:
REPORT UNDER WRITTING
Contact us for more detailed information about this study : Effect of electromagnetic treatment on treated wastewater used for irrigation
Research Institution: Mediplant – Swiss research institute for aromatic and medicinalplants, Switzerland, 2016
Team:
- Xavier Simonnet R&D Manager
Solution investigated: Saline water
Crop: Basil
Main results:
- A significant increase of 10% in the yield of dry leaves
- P and Ca contents of the leaves are significantly higher
Research Institution: UNESP – Faculty of agricultural and veterinary sciences – Campus of Jaboticabal – Department of Plant Protection – Brazil, 2016
Team:
- Prof. Dr. Pedro Soares – Nematologist
Solution investigated: Nematodes
Crop: Soybean
Main results:
- NOT AVAILABLE FOR PUBLIC
Contact us for more detailed information about this study : 19 Effect of electromagnetic treatment of irrigation water in the control and development of soybean nematodes
Research Institution: INRGREF National Institute for Agricultural Engineering, Water and Forests, Tunisia, 2016-2018
Team:
- Prof. Mohamed Hachicha, INRGREF
- Mohamed BOUHLEL, Mater Student
Solution investigated:Saline water
Crop: Soil only, without plants
Main results:
- The volumes of drainage water from electromagnetically treated irrigation water are significantly higher and the salt concentrations are also higher
Research Institution: Unesp – São Paulo State University, Brazil, 2017 – 2018
Team:
- Pr Fernando Putti
Solution investigated: Saline Water
Crop: Tomatoes
Main results:
- Analysis of the results in progress
Research Institution: Fresno State – Center for Irrigation Technology, 2018
Team:
- Tim Jacobsen
- Charles F. Cochran
- Janet Robles
- Dave Goorahoo Ph.D.
Solution investigated: Saline Water
Crop: leaching of salts in soil
Main results:
- Aqua4D leachate was consistently higher than the control
- Aqua4D treated water leached approximately 2.3 times more ions per unit of water than the non-treated water
Research Institution: Unesp – São Paulo State University, Brazil, 2017 – 2019
Team:
- Pr Fernando Putti
Solution investigated: Saline Water
Crop: Tomatoes
Main results:
- REPORT UNDER WRITING
Contact us for more detailed information about this study : 23 Effect of the Aqua4D® on the development of tomatoes crops in soilless cultivation with 5 concentrations of irrigation water salinity
Research Institution: Campo & Negocios, 2018
Team:
- Eusimo F. Fraga Junior
- André L. T. Fernandes
- Gilmar J. da Silva Junir
- Arianne Rodrigues Xavier
- Charles F. Cochran
- Janet Robles
- Dave Goorahoo Ph.D.
Solution investigated: Coffee Crop
Main results:
- Water Savings 25%
- Production increase 15%
Research Institution: Water and Environmental Research Laboratory (WERL), Faculty of
Science and Technology, Al-Quds University, jointly with USAID, Occupied Palestinian Territory 2012-2013
Team:
- Maram Bseleh and Amer Marei, WERL
- Dia Karajeh, USAID
Solution investigated: Saline water and water savings
Main results:
- Higher germination rate
- Decrease in the number of clogged drippers
- Higher plant growth and vegetation
- Increased Water Use Efficiency: +25%
- Increase in production: +26 %
- Higher chlorophyll content
Article published in the International Journal of Environmental & Agriculture Research
(IJOEAR) ISSN:[2454-1850] [Vol-2, Issue-12, December- 2016] Contact us for more detailed information about this study : 25. The Effects of Using EMF Treated Brackish Water on the Yield of Oregano
Research Institution: INRGREF National Institute for Agricultural Engineering, Water
and Forests, INAT National Agronomic Institute of Tunisia, INRAE, Rennes, France, 2016-2018
Team:
- Malak Moussa INRGREF and INAT
- Vincent Hallaire INRAE
- Didier Michot INRAE
- Mohamed Hachicha INRGREF
Solution investigated: Effect on soil structure
Soil structure :
- Sandy clay loam texture
- Clay (26 %)
- Silt (44 %)
- Sand (30 %)
Main results:
- Increased soil porosity at the macroscopic and microscopic scale
- The improvement in soil micro porosity explains an increased water retention and
availability in the root zone - The improvement in macro soil porosity explains an increased drainage of water
Article published in the Journal Soil & Tillage Research (2020-Elsevier).
Contact us for more detailed information about this study : 26. Micro- and macrostructure changes of soil under irrigation with electromagnetically treated waterResearch Institution: Higher Institute of Biotechnology of Monastir, University of
Monastir, Monastir, Tunisia, 2015-2016
Team:
- Rawaa Akrimi – Higher Institute of Biotechnology of Monastir, University of
Monastir, Monastir, Tunisia - Hichem Hajlaoui – Regional Center of Agricultural Research of Sidi Bouzid (CRRA),
Sidi Bouzid, Tunisia - Giorgia Batelli, Alessandra Ruggiero, Stefania Grillo – National Research Council of
Italy, Institute of Biosciences and Bioresources, Research Division Portici (CNRIBBR),
Portici, Italy - Mounawer Badri – Laboratory of Extremophile Plants, Centre of Biotechnology of
Borj Cedria, Hammam-Lif, Tunisia - Mahmoud Mhamdi – Higher Institute of Agronomy of Chott Mariem, Sousse,
Tunisia
Solution investigated: Effects of saline irrigation treated with AQUA4D® on yield,
metabolism, and some physiological traits of potato over two growing seasons.
Culture :
- Potato – Varieties: Spunta, Bellini and Alaska
Main results:
- Soil salinity reduction by 25%
- Promotional effect on root growth
- An increased of the number of tubers
A lot of variables and specific data for each variety of potato were also analyzed.
Article published in the Journal of Agronomy and Crop Science (Wiley).
Contact us for more detailed information about this study : 27. Electromagnetic water enhanced metabolism and agro-physiological responses of potato (Solanum tuberosum L) under saline conditionsUNLESS OTHERWISE SPECIFIED, THE INFORMATION PROVIDED HERE IS THE PROPERTY OF PLANET HORIZONS TECHNOLOGIES SA. BEFORE REPRODUCING OR TRANSMITTING OR PUBLISHING THIS MATERIAL IN ANY MANNER, PLEASE OBTAIN APPROVAL BY CONTACTING THE PLANET HORIZONS TECHNOLOGIES’ HEAD OFFICE IN SIERRE, VALAIS, SWITZERLAND.