WATER IS WATER, ISN'T IT?
Steam and hot air do not work in the same way as hot water:
- Hot water can transfer up to 23-27 times more energy than hot air or steam.
- Gravity means that the water flows downwards and reaches the plant quickly, right down to the roots.
- Hot air and steam always rise, so some of the energy (heat) disappears before it gets to the plant.
The Heatweed Method fully exploits the properties of water: Combined with sensor technology and advanced temperature control, this results in a means of controlling weeds that requires very little energy. Thanks to efficient energy transfer, a maximum of four applications a year will suffice.
A study carried out at the University of Copenhagen shows that treatment with hot water produces the lowest weed cover – even with the lowest treatment frequency. See the below table:
Above: Photos from studies conducted at GUniversity of Ghent 7 days and 21 days after application of three different methods.
The most common herbicide-free methods compared
There are advantages and disadvantages to most methods. The Heatweed Method is a just choice.