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Article

Effects of the Fertilizer Added with DMPP on Soil Nitrous Oxide Emissions and Microbial Functional Diversity

1
Research Division Portici, Institute of Biosciences and Bioresources (IBBR), National Research Council of Italy (CNR), Via Università 133, Portici, 80055 Naples, Italy
2
Department of Pharmacy, University of Naples Federico II, Via D. Montesano, 49, 80131 Naples, Italy
3
Institute for Animal Production System in Mediterranean Environment (ISPAAM), National Research Council of Italy (CNR), P.le Enrico Ferni 1, Loc. Porto del Granatello, Portici, 80055 Naples, Italy
4
Institute for Agricultural and Forestry Systems in the Mediterranean (ISAFoM), National Research Council of Italy (CNR), P.le Enrico Ferni 1, Loc. Porto del Granatello, Portici, 80055 Naples, Italy
5
Department of Agricultural Science, University of Naples Federico II, via Università, 133, Portici, 80055 Naples, Italy
6
Department of Biology, University of Naples Federico II, Via Cinthia, 80126 Naples, Italy
*
Author to whom correspondence should be addressed.
Agriculture 2021, 11(1), 12; https://doi.org/10.3390/agriculture11010012
Received: 15 October 2020 / Revised: 9 December 2020 / Accepted: 23 December 2020 / Published: 27 December 2020
(This article belongs to the Special Issue Cropping Systems: Implications on Climate and Environment)
Agricultural sites contribute extensively to atmospheric emissions of climate-altering gases such as nitrous oxide. Several strategies have been considered to mitigate the impact of agriculture on climate, among these the utilization of fertilizers added with nitrification inhibitors such as DMPP (3,4-dimethylpyrazole phosphate) may represent a suitable solution. DMPP inhibits the growth and activity of ammonia-oxidizing microorganisms, particularly the ammonia-oxidizing bacteria, which are involved in N2O production. At present, little information is available on the effects of DMPP on the catabolic diversity of soil microbial community. In this study, the N2O emission by soil was performed by using the static chamber technique. The biological determinations of the microbial biomass carbon and the catabolic profile were assessed by measuring the substrate-induced respiration during the entire growing season of a potato crop under two nitrogen treatments: fertilization with and without DMPP. Our results did not show a clear mitigation of N2O emission by DMPP, even if a tendency to lower N2O fluxes in DMPP plots occurred when soil temperatures were lower than 20 °C. Conversely, DMPP deeply affected the microbial biomass and the catabolism of soil microorganisms, exerting a negative effect when it accumulated in excessive doses in the soil, limiting the growth and the capacity of soil microorganism communities to use different substrates. View Full-Text
Keywords: greenhouse gas emission; catabolic diversity; N fertilization; soil microbial communities greenhouse gas emission; catabolic diversity; N fertilization; soil microbial communities
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MDPI and ACS Style

Tedeschi, A.; De Marco, A.; Polimeno, F.; Di Tommasi, P.; Maglione, G.; Ottaiano, L.; Arena, C.; Magliulo, V.; Vitale, L. Effects of the Fertilizer Added with DMPP on Soil Nitrous Oxide Emissions and Microbial Functional Diversity. Agriculture 2021, 11, 12. https://doi.org/10.3390/agriculture11010012

AMA Style

Tedeschi A, De Marco A, Polimeno F, Di Tommasi P, Maglione G, Ottaiano L, Arena C, Magliulo V, Vitale L. Effects of the Fertilizer Added with DMPP on Soil Nitrous Oxide Emissions and Microbial Functional Diversity. Agriculture. 2021; 11(1):12. https://doi.org/10.3390/agriculture11010012

Chicago/Turabian Style

Tedeschi, Anna, Anna De Marco, Franca Polimeno, Paul Di Tommasi, Giuseppe Maglione, Lucia Ottaiano, Carmen Arena, Vincenzo Magliulo, and Luca Vitale. 2021. "Effects of the Fertilizer Added with DMPP on Soil Nitrous Oxide Emissions and Microbial Functional Diversity" Agriculture 11, no. 1: 12. https://doi.org/10.3390/agriculture11010012

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