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Article

Gross Ammonification and Nitrification Rates in Soil Amended with Natural and NH4-Enriched Chabazite Zeolite and Nitrification Inhibitor DMPP

by
Giacomo Ferretti
1,
Giulio Galamini
1,
Evi Deltedesco
2,3,
Markus Gorfer
4,
Jennifer Fritz
4,
Barbara Faccini
1,
Axel Mentler
3,
Sophie Zechmeister-Boltenstern
3,
Massimo Coltorti
1 and
Katharina Maria Keiblinger
3,*
1
Department of Physics and Earth Science, University of Ferrara, Via Saragat 1, 44122 Ferrara, Italy
2
Laimburg Research Centre, Laimburg 6-Pfatten (Vadena), 39040 Auer, Italy
3
Derpartment of Forest and Soil Sciences, Institute of Soil Research, University of Natural Resources and Life Sciences Vienna (BOKU), Peter Jordan Strasse 82, 1190 Vienna, Austria
4
Austrian Institute of Technology (AIT), Konrad-Lorenz-Straße 24, 3430 Tulln, Austria
*
Author to whom correspondence should be addressed.
Appl. Sci. 2021, 11(6), 2605; https://doi.org/10.3390/app11062605
Submission received: 8 February 2021 / Revised: 4 March 2021 / Accepted: 6 March 2021 / Published: 15 March 2021
(This article belongs to the Section Environmental Sciences)

Abstract

Using zeolite-rich tuffs for improving soil properties and crop N-use efficiency is becoming popular. However, the mechanistic understanding of their influence on soil N-processes is still poor. This paper aims to shed new light on how natural and NH4+-enriched chabazite zeolites alter short-term N-ammonification and nitrification rates with and without the use of nitrification inhibitor (DMPP). We employed the 15N pool dilution technique to determine short-term gross rates of ammonification and nitrification in a silty-clay soil amended with two typologies of chabazite-rich tuff: (1) at natural state and (2) enriched with NH4+-N from an animal slurry. Archaeal and bacterial amoA, nirS and nosZ genes, N2O-N and CO2-C emissions were also evaluated. The results showed modest short-term effects of chabazite at natural state only on nitrate production rates, which was slightly delayed compared to the unamended soil. On the other hand, the addition of NH4+-enriched chabazite stimulated NH4+-N production, N2O-N emissions, but reduced NO3-N production and abundance of nirS-nosZ genes. DMPP efficiency in reducing nitrification rates was dependent on N addition but not affected by the two typologies of zeolites tested. The outcomes of this study indicated the good compatibility of both natural and NH4+-enriched chabazite zeolite with DMPP. In particular, the application of NH4+-enriched zeolites with DMPP is recommended to mitigate short-term N losses.
Keywords: sustainable agriculture; soil amendment; N2O; N cycle; gross N transformation rates; 15N pool dilution; nitrate production; enriched zeolite; microbial biomass; N processes sustainable agriculture; soil amendment; N2O; N cycle; gross N transformation rates; 15N pool dilution; nitrate production; enriched zeolite; microbial biomass; N processes

Share and Cite

MDPI and ACS Style

Ferretti, G.; Galamini, G.; Deltedesco, E.; Gorfer, M.; Fritz, J.; Faccini, B.; Mentler, A.; Zechmeister-Boltenstern, S.; Coltorti, M.; Keiblinger, K.M. Gross Ammonification and Nitrification Rates in Soil Amended with Natural and NH4-Enriched Chabazite Zeolite and Nitrification Inhibitor DMPP. Appl. Sci. 2021, 11, 2605. https://doi.org/10.3390/app11062605

AMA Style

Ferretti G, Galamini G, Deltedesco E, Gorfer M, Fritz J, Faccini B, Mentler A, Zechmeister-Boltenstern S, Coltorti M, Keiblinger KM. Gross Ammonification and Nitrification Rates in Soil Amended with Natural and NH4-Enriched Chabazite Zeolite and Nitrification Inhibitor DMPP. Applied Sciences. 2021; 11(6):2605. https://doi.org/10.3390/app11062605

Chicago/Turabian Style

Ferretti, Giacomo, Giulio Galamini, Evi Deltedesco, Markus Gorfer, Jennifer Fritz, Barbara Faccini, Axel Mentler, Sophie Zechmeister-Boltenstern, Massimo Coltorti, and Katharina Maria Keiblinger. 2021. "Gross Ammonification and Nitrification Rates in Soil Amended with Natural and NH4-Enriched Chabazite Zeolite and Nitrification Inhibitor DMPP" Applied Sciences 11, no. 6: 2605. https://doi.org/10.3390/app11062605

APA Style

Ferretti, G., Galamini, G., Deltedesco, E., Gorfer, M., Fritz, J., Faccini, B., Mentler, A., Zechmeister-Boltenstern, S., Coltorti, M., & Keiblinger, K. M. (2021). Gross Ammonification and Nitrification Rates in Soil Amended with Natural and NH4-Enriched Chabazite Zeolite and Nitrification Inhibitor DMPP. Applied Sciences, 11(6), 2605. https://doi.org/10.3390/app11062605

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