Existing comment:
Remarkable Roots
Grasses have an extensive system of small roots that allow them to hold soil and dust and survive drought. Certain types of grasses can have over 300 miles of roots reaching as far as 7 feet below the soil surface. As they decompose, these roots became the organic foundation of our most fertile agriculture soils. Whether living or dead, grass roots help reduce global warming by storing vast quantities of carbon in the soil. An acre of grassland may remove as much as one ton of carbon from the atmosphere per year. |