Farm business management : the decision-making process / Emery N. Castle, Manning H. Becker, A. Gene Nelson Castle, Emery N. 6439 Becker, Manning H. (Manning Henry), 1922- 6441 Nelson, A. Gene. 6442 Farm management. 6440 S561 .C36 1987 Includes bibliographical references and index USA: Macmillan company, c1962 c1962 1987 Text xiii, 413 p. : eng