Agricultural and Biosystems Engineering Conference Proceedings and Presentations Agricultural and Biosystems Engineering 7-2013 A County-Level Assessment of Manure Nutrient Availability Relative to Crop Nutrient Capacity in Iowa: Analysis of Spatial and Temporal Trends Daniel S. Andersen Iowa State University, dsa@iastate.edu Follow this and additional works at: hp://lib.dr.iastate.edu/abe_eng_conf Part of the Agriculture Commons , and the Bioresource and Agricultural Engineering Commons e complete bibliographic information for this item can be found at hp://lib.dr.iastate.edu/ abe_eng_conf/322. For information on how to cite this item, please visit hp://lib.dr.iastate.edu/ howtocite.html. is Conference Proceeding is brought to you for free and open access by the Agricultural and Biosystems Engineering at Iowa State University Digital Repository. It has been accepted for inclusion in Agricultural and Biosystems Engineering Conference Proceedings and Presentations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact digirep@iastate.edu.