Perennial plants allocate more energy to root mass than annual crops, contributing to increased soil carbon fixation.

“perennial plants one of the ways that they per any ate live from year to year for long periods of time is they put much more of their energy into root mass than annual crops do like corn or wheat or the cereal crops or vegetables for that matter so you you tend to see these plants putting much more fixed carbohydrate fixed co2 into the soil due to their nature”