A team of two robots in development could plant a hectare of new forest in 5 to 6 hours. One of them will plant seedlings whilst the other removes vegetation
Source:
https://www.newscientist.com/article/2264401-pair-of-robot-foresters-could-plant-thousands-of-trees-a-day/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home