Other researchers are focusing on ways to reduce the use of herbicides all together. Their research includes using nanoparticles to attack the seed coating of weeds, which will prevent them from germinating.
The researchers report that this approach will destroy the weed even when it is buried in soil, and will prevent them from growing even under the most favorable conditions. They believe this method is more preferable to tilling and manual picking of weeds because of the costs incurred with such high-maintenance methods. Using small proportions of nanoscale herbicides, the nanoparticles can easily blend with soil and attack weeds that are buried below the reach of tillers and conventional herbicides. More research has to be conducted to make sure the nanoparticles can be used safely in the soil.
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