How Christmas Trees Could Become a Source of Low-Carbon Protein
Briefly

The seedlings' roots have been inoculated with ectomycorrhizal fungi, which provide the plants with soil nutrients and water in exchange for carbon, and produce protein-rich, edible mushrooms.
Mycoforestry has the potential to avoid this land-use conflict, by growing trees and food on the same plot.
One of the key species they are focusing on, Sitka spruce, is used as a Christmas tree, and Thomas believes that the way Christmas tree plantations are managed would "work brilliantly" with fungi production.
This project is at the forefront of mycoforestry, an emerging practice of cultivating fungi as a food crop from tree planting.
Read at WIRED
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