Indeterminate nodules are the only type found in Caesalpiniodeae and Mimosoideae and the most common type in Papilionoideae (Sprent, 2001; p. 32). As a result of the variety of ways the plant is infected by rhizobia, there are different types of nodules.
Vitamins are organic compounds that are needed in even smaller quantities than minerals by the horse, although no less critical. Vitamins can be divided into two groups, the fat soluble vitamins A, D, E and K and the water soluble C and B-complex vitamins.
Celery: Celery contains a number of vitamins such as Vitamin K, potassium, manganese, Vitamins B2, C, B6, and A. It is also a good source of fiber. Horses can eat both the celery and the celery leaves. Like feeding other vegetables to horses, cut the celery into smaller sized pieces. Corn: Most corn that is fed to horses is either cracked or rolled and is typically mixed in with other grains or mixed feed. Corn is an excellent source of Potassium, Vitamin B-6, Magnesium, and Iron.