The deadline to submit a session, town hall, or pre-conference workshop proposal for AGU25 has passed. Please search for and review proposed sessions below. Please note this site is frozen as of 4/29/25 and will not reflect any changes to proposals made after this date.


Conveners will be contacted by the AGU25 Program Committee with any requests for mergers or edits to proposals. Conveners will be notified of the acceptance of their proposal in mid-June.


Abstract submissions will also open in mid-June and the deadline for abstract submissions is 30 July, 2025.


Please visit the AGU25 website for more information or please contact AGU with any questions.

Abstract: Improving Global Estimates of Nutrient Excretion: Advanced Approaches for Capturing Spatiotemporal Variability (AGU25)

Improving Global Estimates of Nutrient Excretion: Advanced Approaches for Capturing Spatiotemporal Variability

Tan Zou1, Luis Lassaletta2, Rasmus Einarsson3, Achim Dobermann4 and Xin Zhang1, (1)University of Maryland Center for Environmental Science Appalachian Laboratory, Frostburg, United States, (2)Universidad Politécnica de Madrid, Madrid, Spain, (3)Swedish University of Agricultural Sciences, Department of Energy and Technology, Uppsala, Sweden, (4)International Fertilizer Association, Paris, France