"MINERALS" IN AGRICULTURE AND IN ANIMAL HUSBANDRY por Wischhusen, J. F - 1946

Cleveland, Ohio: Manganese Research & Development Foundation, 1946. "The following pages describe other well-known symptoms of acute deficiencies, and some of the functions of the elements commonly referred to as minerals. Their use costs very little, because the need of minerals is based on weight of total feed, and the feeds containing a sufficiency of all essential nutrients, compared with those that are deficient are worth any difference in price." 16 pp. Blue stiff paper covers. Wear to edges and corners, covers are darkened along edges. Interior pages clean, no marks. Pamphlet in VG condition.. Paper Cover. Very Good. Size: Approx. 5 3/4" x 8 1/4". Agriculture.