Explore a 20-minute conference talk from the 2014 AGU Fall Meeting's Biogeosciences section, focusing on the influence of biochar on carbon and nitrogen transformation in soil and its impact on greenhouse gas emissions. Delve into the research conducted by scientists from South Dakota State University, examining biochar's effects on soil properties, crop productivity, and environmental implications. Learn about the study's objectives, materials, and methods used to investigate soybean crops and soil characteristics. Gain insights into the primary data collected, including total nitrogen content and accumulative carbon dioxide emissions. Understand the conclusions drawn regarding biochar's influence on crop productivity and its potential role in mitigating greenhouse gas emissions from agricultural soils.