Can application of enhanced efficiency fertilizers at planting reduce N losses from grain corn production in Ontario?

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Description:

This work was supported through the 4R Research Network with funding provided by Agriculture and Agri-Food Canada’s AgriInnovation Program (Growing Forward 2), contributing Fertilizer Canada member companies to the North American 4R Research Fund and Fertilizer Canada’s Science Cluster program. The Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA)/University of Guelph Partnership provided funding for use of the Elora Research Station fields. This project evaluated a combination of Right Time and Right Product practices aimed at reducing these environmental nitrogen losses from corn. We addressed the following questions: 1) Can application of the Right Product at planting reduce environmental losses compared to the regular fertilizer application? 2) Can application of nitrogen at the Right Time reduce environmental losses compared to the fertilizer application at planting? 3) Can application of a combination of Right Product and Right Time provide additional reduction of environmental nitrogen losses? The Right Product consisted of either an urea-based enhanced efficiency fertilizer (EEF, urea with nitrification and urease inhibitor) or an urea-ammonium-nitrate (UAN)-based EEF (UAN with nitrification and urease inhibitor). The Right Time consisted in delaying application until the 6-8th leaf stage (application as side-dress). Environmental nitrogen losses considered were emissions of the greenhouse gas nitrous oxide and leaching losses in the form of nitrate.

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Dépôt source:

University of Guelph Dataverse

Series:

Agri-environmental Research Data Repository // Ontario Agricultural College // School of Environmental Sciences // Studying the interaction of crop management practices and weather and the subsequent effect on nitrous oxide emissions // Project 3

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Accès:

Restricted

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URL:

https://doi.org/10.5683/SP2/UOCUZE

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Date de publication:

2019-12-10

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Sujets (en):

Earth and Environmental Sciences, Agricultural Sciences

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Mots-clés (en):

nitrification, urease inhibitor, urea, fertilizer management, crop and soil management, denitrification, nitrification inhibitor, cropping Systems, flux-gradient method, nitrogen, enhanced efficiency fertilizer, micrometeorology, maize, corn, 4Rs, CO2, N2O, carbon dioxide emissions, nitrous oxide emissions, greenhouse gases, year-round, net radiation, urea ammonium nitrate, et water-filled pore space

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Citation selon les normes APA:

Can application of enhanced efficiency fertilizers at planting reduce N losses from grain corn production in Ontario? (2019). [Data set]. University of Guelph Dataverse. https://doi.org/10.5683/SP2/UOCUZE

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