A new booklet developed in cooperation with the International Maize and Wheat Improvement Center (CIMMYT). This field guide is designed to describe the underlying causes of nutrient deficiencies in maize, wheat, rice, sorghum, pearl millet, and barley, with tips on how they might be prevented or remedied. Hundreds of excellent deficiency photographs provided by the authors and IPNI will allow the user of this field guide to understand the development of nutrient deficiency symptoms through the growth stages of the crop. 50 pages, 8.5 x 11 in. wire bound.