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Clean weed control – Protecting the crop from damage

The zasso clean weed control approach protects crops and non-target areas by employing specifically adapted electric power applicators

Generally speaking, Electroherb acts like a real total herbicide. In fact, it works even better than chemical eradication, as it does not lead to the selection of any genetically determined resistance. All parts of the weed that will come into direct and electro conductive contact (leaves) with the electric applicators will be damaged and dry down. The same is true for the roots of these plants.
Woody stems and bark can act as insulators, which is helpful for protecting the crop, for example trees and shrubs in plantations, from getting damaged. Thus, short contacts on small areas are generally not an issue and specific applicators move around trees or shrubs, for example during inline-weeding. Of course, most young crop plants that are to be protected from competition by weeds will require adefined safeguard. For these applications, zasso has developed a number of electric applicators, including shielding, to fit individual cultures regarding both the width of the weeding area and the protection of valuable crops.
Customized applicators provide optimal contact and sufficient contact times (for leafy plants generally < 0.2–0.5 s), ensuring that the damage reaches down into the roots and destroys the entire weed plant to minimise regrowth.
The weed destructing electric power safely dissipates in the soil and is not transferred in any relevant amount to other plants via the soil or from root to root, so it does not damage untouched plants.
Thus, Electroherb acts with maximum precision in the right places, without affecting other plants even just a few centimeters apart. This is down to the general principle of root avoidance that plants use to optimize their own access to nutrients.

 

clean weed control - shielding in soy beans
Left to right: Shielding in soy beans; side-shielded modular adaptors used in sugar cane; precise application on grass using a roller applicator (safety shielding removed here for demonstration purposes).

More applicators are currently in development and zasso can always readily develop specific applicators for any customer requirements, while the basic aim is to keep applicators as multifunctional as possible.

To learn more about Electroherb, please do not hesitate to contact:

Matthias Eberius (CTO), zasso GmbH, Pascalstr. 12, 52076 Aachen‐ Germany