Also, visual tech determines tree bark depth and cutting angles, achieving 80 percent manual harvesting efficiency with matching latex quality. The rubber-tapping robot can harvest 100 to 120 trees ...

As the sun rises over the Amazonian island of Marajo, Renato Cordeiro laces up his boots, grabs his knife, and heads out to tap his rubber trees. Drop by drop, he collects the milky white sap ...