Managing rangelands: promoting sustainable legume species: Hedysarum coronarium L.: a biennial herbaceous legume used for forage in the Mediterranean basin

Sulla (Hedysarum coronarium L.) is deep rooted and drought resistant. This species native to the Mediterranean is effective in biological fixation of sloping land, and improving organo-mineral soil fertility and yields and protein value of cereals. It is a biennial or short-lived perennial with semi-erect to erect growth, height of 0.3–2 m, strongly rooted, with root depth exceeding 2 m and numerous secondary roots.