text Washington International and Service for National Agricultural Research 1998 In 151 p. : ill. 25 cm Edited by:Brandford Mills AGRICULTURE RESEARCH INFORMATION 30 - ISBN:929118-040-8 INLIS000000000000682 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)