Soil, slurry and application effects on greenhouse gas emissions

Severin, Maximilian; Fuß, Roland; Well, Reinhard; Garlipp, Felix; Weghe, Herman Van den

doi:10.17221/21/2015-pse

Cited by 25 publications

(20 citation statements)

References 16 publications

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“…The overall N 2 O fluxes corresponded well with those from other studies with similar incubation conditions and application rates of BD in terms of nitrogen per hectare (Köster et al, 2015;Senbayram et al, 2012;Severin et al, 2015). However, the latter studies assumed a distribution of BD into soil using a cultivator, which implies a smaller concentration of BD than we actually applied.…”

Section: Discussionsupporting

confidence: 85%

Potential short-term losses of N2O and N2 from high concentrations of biogas digestate in arable soils

Fiedler

Augustin

Wrage‐Mönnig

et al. 2017

SOIL

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Abstract. Biogas digestate (BD) is increasingly used as organic fertilizer, but has a high potential for NH 3 losses. Its proposed injection into soils as a countermeasure has been suggested to promote the generation of N 2 O, leading to a potential trade-off. Furthermore, the effect of high nutrient concentrations on N 2 losses as they may appear after injection of BD into soil has not yet been evaluated. Hence, we performed an incubation experiment with soil cores in a helium-oxygen atmosphere to examine the influence of soil substrate (loamy sand, clayey silt), water-filled pore space (WFPS; 35, 55, 75 %) and application rate (0, 17.6 and 35.2 mL BD per soil core, 250 cm 3 ) on the emission of N 2 O, N 2 and CO 2 after the usage of high loads of BD. To determine the potential capacity for gaseous losses, we applied anaerobic conditions by purging with helium for the last 24 h of incubation. Immediate N 2 O and N 2 emissions as well as the N 2 / (N 2 O+N 2 ) product ratio depended on soil type and increased with WFPS, indicating a crucial role of soil gas diffusivity for the formation and emission of nitrogenous gases in agricultural soils. However, emissions did not increase with the application rate of BD. This is probably due to an inhibitory effect of the high NH + 4 content of BD on nitrification. Our results suggest a larger potential for N 2 O formation immediately following BD injection in the fine-textured clayey silt compared to the coarse loamy sand. By contrast, the loamy sand showed a higher potential for N 2 production under anaerobic conditions. Our results suggest that short-term N losses of N 2 O and N 2 after injection may be higher than probable losses of NH 3 following surface application of BD.

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Section: Discussionsupporting

confidence: 85%

Potential short-term losses of N2O and N2 from high concentrations of biogas digestate in arable soils

Fiedler

Augustin

Wrage‐Mönnig

et al. 2017

SOIL

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“…Increased CO 2 emissions just after fertilization were also observed in other studies (Pezzolla et al, 2012;Severin et al, 2015) and were mainly induced by intensive decomposition of organic carbon, when easily degradable organic substances were added to the soil. This resulted in changes in the microbial activity due to the appearance of assimilable C and N in the soil.…”

Section: Resultssupporting

confidence: 74%

“…In the case of CO 2 , the disadvantages of the splash plate method were disclosed even more clearly. CO 2 fluxes were much higher, compared to those obtained using other methods of digestate application (Severin et al, 2015).…”

Section: Resultsmentioning

confidence: 55%

Emissions of carbon dioxide and methane from fields fertilized with digestate from an agricultural biogas plant

Czubaszek¹,

Wysocka-Czubaszek²

2018

International Agrophysics

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A b s t r a c t. Digestate from biogas plants can play important role in agriculture by providing nutrients, improving soil structure and reducing the use of mineral fertilizers. Still, less is known about greenhouse gas emissions from soil during and after digestate application. The aim of the study was to estimate the emissions of carbon dioxide (CO 2 ) and methane (CH 4 ) from a field which was fertilized with digestate. The gas fluxes were measured with the eddy covariance system. Each day, the eddy covariance system was installed in various places of the field, depending on the dominant wind direction, so that each time the results were obtained from an area where the digestate was distributed. The results showed the relatively low impact of the studied gases emissions on total greenhouse gas emissions from agriculture. Maximum values of the CO 2 and CH 4 fluxes, 79.62 and 3.049 µmol s -1 m -2

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“…Comparing different application techniques, slurry injection might significantly increase direct N 2 O emission when compared to broadcast application (Wulf et al, 2002b;Velthof and Mosquera, 2011), whereas different surface application techniques (splashplate or bandspread) did not affect N 2 O emissions (Cahalan et al, 2015). After slurry injection, the soil area directly above the injection slot was shown to be the main emitting area (Dittert et al, 2001) due to creation of anaerobic hotspots in the injection slot promoting denitrification (Flessa and Beese, 2000;Severin et al, 2015Severin et al, , 2016.…”

Section: Introductionmentioning

confidence: 99%

Effect of cattle slurry application techniques on N₂O and NH₃ emissions from a loamy soil

Herr

Mannheim²,

Müller

et al. 2019

J. Plant Nutr. Soil Sci.

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We determined N2O fluxes from an unfertilized control (CON), from a treatment with mineral N‐fertilizer (MIN), from cattle slurry with banded surface application and subsequent incorporation (INC), and from slurry injection (INJ) to silage maize (Zea mays, L.) on a Haplic Luvisol in southwest Germany. In both years, amount of available N (total N fertilized + Nmin content before N application) was 210 kg N ha−1. In the slurry treatment of the 1st year, 140 kg N ha−1 were either injected or incorporated, whereas 30 kg N ha−1 were surface applied to avoid destruction of the maize plants. In the 2nd year, all fertilizers were applied with one single application. We calculated greenhouse gas emissions (GHG) on field level including direct N2O emissions (calculated from the measured flux rates), indirect N2O emissions (NH3 and NO3 - induced N2O emission), net CH4 fluxes, fuel consumption and pre‐chain emissions from mineral fertilizer. NH3 losses were measured in the 2nd year using the Dräger‐Tube Method and estimated for both years. NH3 emission was highest in the treatment without incorporation. It generally contributed less than 5% of the greenhouse gas (GHG) emission from silage maize cultivation. The mean area‐related N2O emission, determined with the closed chamber method was 2.8, 4.7, 4.4 and 13.8 kg N2O‐N ha−1 y−1 for CON, MIN, INC, and INJ, respectively. Yield‐related N2O emission showed the same trend. Across all treatments, direct N2O emission was the major contributor to GHG with an average of 79%. Trail hose application with immediate incorporation was found to be the optimum management practice for livestock farmers in our study region.

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Soil, slurry and application effects on greenhouse gas emissions

Cited by 25 publications

References 16 publications

Potential short-term losses of N<sub>2</sub>O and N<sub>2</sub> from high concentrations of biogas digestate in arable soils

Potential short-term losses of N<sub>2</sub>O and N<sub>2</sub> from high concentrations of biogas digestate in arable soils

Emissions of carbon dioxide and methane from fields fertilized with digestate from an agricultural biogas plant

Effect of cattle slurry application techniques on N₂O and NH₃ emissions from a loamy soil

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Soil, slurry and application effects on greenhouse gas emissions

Cited by 25 publications

References 16 publications

Potential short-term losses of N&lt;sub&gt;2&lt;/sub&gt;O and N&lt;sub&gt;2&lt;/sub&gt; from high concentrations of biogas digestate in arable soils

Potential short-term losses of N&lt;sub&gt;2&lt;/sub&gt;O and N&lt;sub&gt;2&lt;/sub&gt; from high concentrations of biogas digestate in arable soils

Emissions of carbon dioxide and methane from fields fertilized with digestate from an agricultural biogas plant

Effect of cattle slurry application techniques on N2O and NH3 emissions from a loamy soil

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Potential short-term losses of N<sub>2</sub>O and N<sub>2</sub> from high concentrations of biogas digestate in arable soils

Potential short-term losses of N<sub>2</sub>O and N<sub>2</sub> from high concentrations of biogas digestate in arable soils

Effect of cattle slurry application techniques on N₂O and NH₃ emissions from a loamy soil