fotografías españoles - evaporation
The roller scraper can be used as a weed controller and more important as a way to keep the capillary water in the soil
Under the roller that is made of vertical cutting blades that cut into the soil there is a horizontal cutting blade to cut the weeds
One walks with the roller scraper and easily you destroy all the weeds and create a loose layer of soil on top
Under the loose soil the capillary water is locked up and cannot evaporate this gives a high efficiency of the available water
Detail of the humid protected soil in cooperation with the box vegetables can be grown with over 90% less water