Download or read book Illinois Agronomy Handbook, 1972 written by Don W. Graffis and published by . This book was released on 1972 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1971 crop-growing year; Corn; Soybeans; Wheat; Triticale; Barley; Spring oats; Crops for late planting; Hay, pasture, silage, and seed production; Soil testing and fertility; Soil management and tillage systems; 1971 weed control guide.