Common Alfalfa as Organic - Commonly used as a
nitrogen fixing greencrop legume that fixes nitrogen
in the second year. Alfalfa’s long tap root is good for
breaking up the hardpan below the topsoil improving
soil aeration and drainage. Produces heavy top
growth which can be cut when it flowers. Usually
sown in the spring with a nurse crop of oats and
plowed down the following summer or fall. Perennial