Farm soils : their fertilization and management / Edmund L. Worthen [and] Samuel R. Aldrich. Worthen, Edmund Louis, 1882- Aldrich, Samuel R. joint author. Soils. Fertilizers. S591 .W88 1956 631.4 WOF Includes bibliographical references and index. New York ; London : Wiley, Chapman & Hall, 1956. 1956. 1956 Text vii, 439 p. : eng Wiley farm series