CO2 evolution and N mineralization after biogas slurry application in the field and its yield effects on spring barley

Terhoeven‐Urselmans, Thomas; Scheller, Edwin; Raubuch, Markus; Ludwig, Bernard; Joergensen, Rainer Georg

doi:10.1016/j.apsoil.2009.05.012

Cited by 103 publications

(56 citation statements)

References 22 publications

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“…Our results are consistent with those reported by others for digestates (Terhoeven-Urselmans et al, 2009;Garfí et al, 2011;Barbosa et al, 2014;Bachmann et al, 2014;Frøseth et al, 2014) and for CM and SS (Chiyoka et al, 2014). In addition, the higher forage yields in response to ADM than CM and SS application reflected greater available N and P concentrations in ADM (Table 3), in agreement with results reported by others (Tambone et al, 2010).…”

Section: Barley Forage Responsesupporting

confidence: 83%

Agronomic Values of Anaerobically Digested Cattle Manure and the Separated Solids for Barley Forage Production

Hao

Thomas

Nelson

et al. 2016

Soil Science Soc of Amer J

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As biogas production expands, digestates from that industry are increasingly available as potential nutrient sources for crop production, but their agronomic value is poorly understood. Thus, a 5-yr field experiment was conducted to determine the agronomic values of anaerobically digested solid beef cattle feedlot manure (ADM) and the separated solids (SS) from ADM under a semiarid reduced-tillage dryland barley (Hordeum vulgare L.) forage cropping system. Three organic amendments, ADM, SS, and undigested solid beef cattle feedlot manure (CM), were applied annually at 200 or 400 kg total N ha −1 for 4 yr, while the residual effect was examined in the fifth year. The higher N and P availability in ADM translated into greater barley forage yields, total N uptake, amendment-derived N uptake, and apparent N recovery (ANR) from ADM-amended soil than SS-and CM-amended soils, while there were no significant differences between soils receiving SS or CM. The ANR was 22% for ADM but only 12% for CM and 9% for SS. In contrast, P uptake, the fraction of amendment-derived P uptake, and apparent P recovery were similar among all amendments. Similar yields, ANR, post-harvest soil NH 4 , NO 3 , and Olsen-P concentrations between SS-and CM-amended soils suggest that they have a comparable agronomic value. Less residual Olsen-P in soil receiving ADM than SS or CM suggests that ADM is a lower risk for P accumulation when applied at N-based rates. We recommend that current agronomic values for cattle feedlot manure could be applied to SS but not ADM.

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Section: Barley Forage Responsesupporting

confidence: 83%

Agronomic Values of Anaerobically Digested Cattle Manure and the Separated Solids for Barley Forage Production

Hao

Thomas

Nelson

et al. 2016

Soil Science Soc of Amer J

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“…The available data show an interaction with the specific experimental setup. In cropped fields, very often, no or minor differences in soil biological activity were measured in comparison to application of undigested feedstocks (Allan et al 2003;Schauss et al 2006;TerhoevenUrselmans et al 2009;Clements et al 2012;Walsh et al 2012b;Bachmann et al 2014), whereas in an experimental setup carried out on fallow land, the differences between undigested and digested manures were very often significant (Friedel et al 1996;Ernst et al 2008;Terhoeven-Urselmans et al 2009). Simultaneously, the influence of anaerobic digestion on soil microbial activity is also mediated by the used feedstock (Johansen et al 2013).…”

Section: Effects Of Anaerobic Digestion On Soil Properties and Soil Bmentioning

confidence: 99%

Effects of anaerobic digestion on soil carbon and nitrogen turnover, N emissions, and soil biological activity. A review

Möller¹

2015

Agron. Sustain. Dev.

240

139

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Sustainability in agriculture means the inclusion of several aspects, as sustainable agriculture systems must not compromise not only their ability to satisfy future needs by undermining soil fertility and the natural resource base but also sustainable agriculture has had to address a range of other issues including energy use, efficient use, and recycling of nutrients, the effects on adjacent ecosystems including the effects on water bodies and climate change. Organic manures are an important factor to keep the soil fertility level of soils. However, their management is often related to large emissions. In this context, anaerobic digestion is-similarly to composting-a treatment option for stabilization of biogenic wastes leading to a residual product called digestates, enabling the sanitation and the recycling and use as fertilizer. It is also a means to obtain energy from wastes as well as from dedicated energy crops. Therefore, anaerobic digestion potentially addresses several aspects of agricultural sustainability. This review discusses the current state of knowledge on the effects of anaerobic digestion on organic compounds in digestates and the most important processes influencing N emissions in the field, as well as the possible longterm effects on soil microbial biomass and soil fertility. The main findings are that (1) the direct effects of anaerobic digestion on long-term sustainability in terms of soil fertility and environmental impact at the field level are of minor relevance. (2) The most relevant effects of anaerobic digestion on soil fertility as well as on N emissions will be expected from indirect effects related to cropping system changes such as changes in crop rotation, crop acreage, cover cropping, and total amounts of organic manures including digestates. Furthermore, (3) the remaining organic fraction after anaerobic digestion is much more recalcitrant than the input feedstocks leading to a stabilization of the organic matter and a lower organic matter degradation rate after field application, enabling a similar reproduction of the soil organic matter as obtained by direct application of the feedstock or by composting of the feedstock. (4) Regarding emissions, the main direct effect of anaerobic digestion on a farm level is the influence on gaseous emissions during manure or digestate treatment and handling, whereas the direct effects of anaerobic digestion on a field level on emissions (NH 3 − and N 2 O − emissions, NO 3 -leaching) are negligible or at least ambiguous. (5) The main direct effects of anaerobic digestion on the field level are short-term effects on soil microbial activity and changes in the soil microbial community. Therefore, in terms of the effects on agricultural sustainability, potential cropping system-based changes induced by introduction of biogas plants are probably much more relevant for the overall performance and sustainability of the cropping system than the direct effects triggered by application of digestates in comparison to the undigested feedstock...

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“…Previous studies have shown that the organic matters, especially in the form of dissolved organic matter in organic fertilizer, increased bioavailable As in sediments and soils by the competition with As for absorption sites and also the mediation of the soil redox condition (Redman et al 2002;Mladenov et al 2009;Sharma et al 2011;Stroud et al 2011). As a secondary product of bio-energy (biogas) production, BGS from animal waste or crop straw often contains high levels of organic matter, and is thought to be an inexpensive way to reduce environmental pollution by recycling animal waste and crop straw (Terhoeven-Urselmans et al 2009). Little information is available about whether or to what extent the influence of BGS organic matter application has on the As release and speciation in the paddy fields, especially in relation to the As accumulation in rice.…”

Section: Introductionmentioning

confidence: 99%

Biogas slurry application elevated arsenic accumulation in rice plant through increased arsenic release and methylation in paddy soil

et al. 2012

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Background Rice can accumulate arsenic (As) to relatively high concentrations due to the general flooding practices in rice cultivation, and organic matter in the soil strongly affected As bioavailability to rice plants. The influence of organic matter input on the As transformation in paddy soil and As uptake into rice plants is an area that is rarely investigated. Methods Biogas slurry (BGS), a commonly used organic fertilizer, was applied to an As contaminated paddy soil, in order to investigate the influence of organic matter on As transformation in the paddy soil and As accumulation in rice plants.Results Application of BGS significantly increased the As accumulation in rice plants, especially for methylated As species. Results showed that the concentrations of dissolved organic carbon (DOC) and dissolved Fe(II) in the soil solution were significantly increased by the BGS addition into the paddy soil, and were significantly correlated to the As concentration in the soil solution (P<0.01). The increase of soil pH and the decrease of the soil redox potential (Eh) were observed as well. These alteration of soil characteristics elevated the As release from soil particles to the soil solution under the addition of BGS. The increased concentrations of dimethylarsinic acid (DMAs(V)) and monomethylarsonic acid (MMAs(V)) in the soil solution, and the volatilized As of trimethylarsine (TMAs) from the paddy soil, suggested that As methylation and volatilization in the soil were also enhanced by BGS addition. The concentrations of methylated As species in rice husks and grains were increased by 105.8-105.9 % and 99.7-112.2 %, respectively. Conclusion These results suggested that the use of organic fertilizer, such as BGS in As-contaminated paddy soil, can significantly alter the behavior of As in soil-rice system and enhance As accumulation in rice plants and should therefore be avoided.

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CO2 evolution and N mineralization after biogas slurry application in the field and its yield effects on spring barley

Cited by 103 publications

References 22 publications

Agronomic Values of Anaerobically Digested Cattle Manure and the Separated Solids for Barley Forage Production

Agronomic Values of Anaerobically Digested Cattle Manure and the Separated Solids for Barley Forage Production

Effects of anaerobic digestion on soil carbon and nitrogen turnover, N emissions, and soil biological activity. A review

Biogas slurry application elevated arsenic accumulation in rice plant through increased arsenic release and methylation in paddy soil

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