By E. A. Hollowell, _senior agronomist, Division of Forage Crops and Diseases, Bureau of Plant Industry_ Crimson clover (_Trifolium incarnatum_) is the most important winter annual legume of the central section of the Eastern States (fig. 1). Besides being an excellent hay plant and furnishing an abundance of early spring pasture, it affords protection to the soil during the fall, winter, and spring, prevents soil washing, and provides green manure for soil improvement. This legume has the distinct advantage of being a heavy producer of seed, which can be easily harvested and sown without the use of expensive machinery.…
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