In some tropical regions, agroforestry systems that involve mixed cropping of trees and food crops are used. What advantages in nitrogen and sulphur management do such systems have over monocropping...

In some tropical regions, agroforestry systems that involve mixed cropping of trees and food crops are used. What advantages in nitrogen and sulphur management do such systems have over monocropping systems that do not involve trees?

You have learned that nitrogen, potassium, and phosphorus are all “fixed” in the soil. Compare the processes of these fixations and the benefits and constraints they each provide.