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1. Observational and Modeling Methods to Inform Ecosystem Service MarketsInterest in quantifying the impacts of land management on ecosystem services has grown as governments, environmental organizations, and corporations have pledged to reduce greenhouse gas emissions, nutrient leaching, and other environmental impacts of human activities. Ecosystem service markets were formalized in the 1990s and originally deployed to mitigate point sources of air and water pollution. Associated protocols were fairly simple and easy to implement because quantification of point sources... S.J. Del Grosso, J. Delgado, D. Manter, C. Stewart, M. Vigil |
2. Experiences in the Canadian Prairies with Enhanced Efficiency N Fertilizers for Winter and Spring Wheat Production SystemsThis presentation summarizes several studies all designed to address knowledge gaps around enhanced efficiency urea fertilizer (EEF) efficacy for nitrogen (N) management in western Canadian winter and spring wheat production systems. Polymer-coated urea was first studied to determine how handling effects can alter the coating integrity of environmentally smart nitrogen (ESN®). While N release rates increased from retail or farm-handling such as transferring... B. Beres |
3. Winter Wheat Response to Enchanced Efficiency Fertilizers in the Canadian PrairiesOptimal nitrogen (N) management can improve agronomic efficiency, and increase winter wheat (Triticum aestivum L.) grain yield and protein content. Two experiments were conducted to measure the responses of winter wheat to enhanced efficiency N fertilizers and timing/placements across the Canadian Prairies. Experiment 1 consisted of uncoated urea, urea+nitrification inhibitor (urea+eNtrench®), urea+urease and nitrification inhibitors (SuperU®), and polymer-coated urea (Environmentally... Z. Wang, J. Owens, X. Hao, L. Hall, K. Coles, C. Holzapfel, E. Rahmani, R. Karimi Dehkordi, B. Beres |