Alfalfa - Medicago sativa
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
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