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Article

Nitrogen Rate Assessment for Greenhouse Gas Emission Mitigation and Quality Maintenance in Sustainable Turf Management

1
Department of Agriculture, Food, Environment and Forestry, University of Florence, Piazzale delle Cascine 18, 50144 Florence, Italy
2
Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
*
Author to whom correspondence should be addressed.
Agriculture 2024, 14(8), 1244; https://doi.org/10.3390/agriculture14081244
Submission received: 18 June 2024 / Revised: 23 July 2024 / Accepted: 25 July 2024 / Published: 27 July 2024
(This article belongs to the Section Ecosystem, Environment and Climate Change in Agriculture)

Abstract

Turfgrass systems hold significant climate change mitigation value, but their management often negates the beneficial effects due to the intense adoption of external inputs. The research objective in this paper was to assess the nitrogen fertilization rate able to maintain the ideal esthetic characteristics of Zoysia turfgrass, reducing the environmental impacts associated with greenhouse gas (GHG) emissions. A two-year open field experiment was conducted. Nitrogen was added to the soil at six rates (0, 50, 100, 150, 200, and 250 kg ha−1). The GHG emissions were monitored using a portable gas analyzer and the static chamber methodology. Cumulative environmental impacts were calculated from the inclusion of CO2, CH4, and, N2O using the Global Warming Potential (GWP). The quality assessment of the turf was assessed through a visual and instrumental approach. Higher CO2 and N2O fluxes were linked to high nitrogen rates, ranging from 83.55 to 87.50 and from 0.046 to 0.047 g N-N2O ha−1 day−1 for 200 and 250 kg N ha−1, respectively. CH4 emissions were not correlated to nitrogen rates. Higher GWP impacts were linked to high N rate treatments. A rate of 100 kg N ha−1 is recommended as the best strategy to reduce GHG emissions while maintaining high turf quality.
Keywords: carbon dioxide; nitrous oxide; Zoysia matrella; fertilization; Global Warming Potential carbon dioxide; nitrous oxide; Zoysia matrella; fertilization; Global Warming Potential

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MDPI and ACS Style

Verdi, L.; Caturegli, L.; Magni, S.; Volterrani, M.; Dalla Marta, A.; Orlandini, S.; Baldi, A. Nitrogen Rate Assessment for Greenhouse Gas Emission Mitigation and Quality Maintenance in Sustainable Turf Management. Agriculture 2024, 14, 1244. https://doi.org/10.3390/agriculture14081244

AMA Style

Verdi L, Caturegli L, Magni S, Volterrani M, Dalla Marta A, Orlandini S, Baldi A. Nitrogen Rate Assessment for Greenhouse Gas Emission Mitigation and Quality Maintenance in Sustainable Turf Management. Agriculture. 2024; 14(8):1244. https://doi.org/10.3390/agriculture14081244

Chicago/Turabian Style

Verdi, Leonardo, Lisa Caturegli, Simone Magni, Marco Volterrani, Anna Dalla Marta, Simone Orlandini, and Ada Baldi. 2024. "Nitrogen Rate Assessment for Greenhouse Gas Emission Mitigation and Quality Maintenance in Sustainable Turf Management" Agriculture 14, no. 8: 1244. https://doi.org/10.3390/agriculture14081244

APA Style

Verdi, L., Caturegli, L., Magni, S., Volterrani, M., Dalla Marta, A., Orlandini, S., & Baldi, A. (2024). Nitrogen Rate Assessment for Greenhouse Gas Emission Mitigation and Quality Maintenance in Sustainable Turf Management. Agriculture, 14(8), 1244. https://doi.org/10.3390/agriculture14081244

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