In Colombia, tests are underway that use drones to destroy coca plants that are used for the production of cocaine. The drones carrying defoliants (glyphosate) can target the coca plants with greater precision than can be achieved with airplanes. Colombian anti-drug officials have said that in recent weeks 10 drones, loaded with herbicide, have been used in tests in the southwest NariƱo province to reduce the illegal crops.

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