Breadcrumb Home Golf & Sports Turf Management HALT 2418 HALT 2418: Soil Fertility & Fertilizers Download as PDF Class Program Golf & Sports Turf Management Credits 4 CIP 01.1103 An in-depth study of the chemistry, soil interaction, plant uptake, and utilization of essential plant nutrients. Topics include deficiency and toxicity symptoms, and the selection, application, and characteristics of fertilizer materials.