THE FOLLOWING SELECTION HAS BEEN PRINTED WITH PERMISSION DATE: 07/01/92 Author: CB. FLORA-EDITOR Title: I ARTICLE Journal: NO. 9/ FARMING SYSTEMS RESEARCH PAPER Volume: No: Pgs: Copyright Year: 1986 Reprinted by Permission of: Kansas State Univ.-Library THIS MATERIAL MAY NOT BE REPRODUCED IN ANY MANNER WITHOUT THE PERMISSION OF THE COPYRIGHT HOLDER