text New York McGraw-Hill 1948 1st ed. Ind 384 p.: ill.; 25 cm. 384 p.: ill.; 25 cm. Bibl. : p. 372 WILSON, Harold K. GRAIN CROPS 633.1 633.1WILg INLIS000000000010157 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)