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Nitrogen use (in)efficiency and cereal production in Brazil: current trends and forecasts

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  • Pires, Marcel V.
  • Cunha, Denis A.
  • Faria, Raiza M.
  • Lindemann, Douglas

Abstract

Here, we provide an analysis to understand the evolution of cereal production and consumption of nitrogen (N) fertilizers in Brazil and to correlate N use efficiency (NUE), greenhouse gas (GHG) emissions and economic and environmental losses. Our results showed that the increased consumption of N fertilizers is associated with a large decrease in NUE in recent years. CO2eq emissions from N fertilization for cereal production were approximately 12 times higher in 2011 compared to 1970. The projected N fertilizer forecasts are 2.09 and 2.37 million ton for 2015 and 2023, respectively. An increase of 0.02% per year in the projected NUE was predicted for the same time period. In a hypothetical scenario, a 2.39% increase in cereal NUE would lead to USD 21 million savings in N fertilizer costs. Thus, increases in NUE rates would lead not only to agronomic and environmental benefits but also to economic improvement.

Suggested Citation

  • Pires, Marcel V. & Cunha, Denis A. & Faria, Raiza M. & Lindemann, Douglas, 2015. "Nitrogen use (in)efficiency and cereal production in Brazil: current trends and forecasts," 2015 Conference, August 9-14, 2015, Milan, Italy 212709, International Association of Agricultural Economists.
    • Handle: RePEc:ags:iaae15:212709
    DOI: 10.22004/ag.econ.212709
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    1. Cynthia Rosenzweig & Francesco Tubiello, 2007. "Adaptation and mitigation strategies in agriculture: an analysis of potential synergies," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 12(5), pages 855-873, June.
    2. Carol A. Jones & Ronald D. Sands, 2013. "Impact of Agricultural Productivity Gains on Greenhouse Gas Emissions: A Global Analysis," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 95(5), pages 1309-1316.
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    Cited by:

    1. Santos, Elizângela Aparecida dos & Cunha, Dênis Antônio da & Travassos, Guilherme Fonseca, 2021. "Nitrogen Demand and Agro-Environmental Efficiency in Brazilian Cereal Production," 2021 Conference, August 17-31, 2021, Virtual 314989, International Association of Agricultural Economists.
    2. Massigoge, Ignacio & Carcedo, Ana & de Borja Reis, Andre Froes & Mitchell, Clay & Day, Scott & Oliverio, Joaquin & Truong, Sandra H. & McCormick, Ryan F. & Rotundo, Jose & Lira, Sara & Ciampitti, Igna, 2023. "Exploring avenues for agricultural intensification: A case study for maize-soybean in the Southern US region," Agricultural Systems, Elsevier, vol. 204(C).

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