Archive image from page 682 of Cyclopedia of farm crops . Cyclopedia of farm crops : a popular survey of crops and crop-making methods in the United States and Canada cyclopediaoffarm00bailuoft Year: 1922, c1907 SUNFLOWER SWEET-POTATO 613 broad beans and corn. The corn and beans are harvested when the corn in the ear is beginning to glaze. Fifty pounds of this mixture may take the place of the corn silage in the ration, using about four pounds less grain than ordinarily goes with the corn silage. [See Bean, Broad, p. 212.] Oil.—The small-seeded variety is preferred for the manufacture of oil.