We can manage grassland and savanah. Grasses exudate a lot of their sugars (carbon) into the ground feeding the microbes. Holistically managed grassing is all about timing the regrowth and recycling the nutrients and fibers through the cow.

The prairies are amazing ecosystem pumping carbon into the ground when properly managed.

The knowledge is available, but this ted talk only has 2 million views. https://youtu.be/vpTHi7O66pI