Assess undergraduate students' understanding of nitrogen cycle processes (fixation, mineralization, nitrification, denitrification, volatilization, leaching) in soils, the roles of microbes and plants, how agricultural practices (fertilizers, manure, irrigation, tillage, crop rotation, cover crops) alter nitrogen pathways and fluxes, and the resulting environmental outcomes (nitrate contamination, eutrophication, N2O emissions); include interpretation of simple data/diagrams and evaluation of management and mitigation strategies (BMPs, precision application, buffer zones).