In the first of two presentations on agronomy and physiology at the 2023 Georgia Cotton Commission Annual Meeting, John Snider, University of Georgia Cotton Physiologist, presents findings and draws conclusions from research for which the objective was to assess biomass, nutrient uptake, and yield in cotton in response to irrigation, nitrogen application, and mepiquat chloride (MC) management strategy. (See the second presentation by Camp Hand, University of Georgia Extension Cotton Agronomist.)