Professional tree planter here, who is currently doing reforestation work for the Canadian government. My company buys “pre-sprouted” trees from a nursery. They are the ones who plant the tree seeds and let them grow in a controlled environment until they’re about 6 or so inches tall, and able to survive on their own. Then we buy those saplings and plant them in the ground. Usually in areas that have recently had a forest fire, or large areas that have been cut down for lumber. They usually survive in nature just fine without human intervention, so no watering or maintenance is required. The goal is to plant as quickly as possible, so it’s not hard to plant 1000s of trees in one day of you have experience. So the government planting “billions of trees” is just commissioning tree planting companies to have their employees do the work.
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