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Article ; Online: The impact of anaerobic digestate on soil life: A review

van Midden, Christina / Harris, Jim / Shaw, Liz / Sizmur, Tom / Pawlett, Mark

Applied Soil Ecology. 2023 Nov., v. 191 p.105066-

2023

Abstract: Using organic amendments to fertilise crops is a crucial part in the sustainability of agricultural systems. The residual slurry remaining after biogas production (anaerobic digestate) contains a rich source of plant nutrients that provides an ... ...

Abstract	Using organic amendments to fertilise crops is a crucial part in the sustainability of agricultural systems. The residual slurry remaining after biogas production (anaerobic digestate) contains a rich source of plant nutrients that provides an alternative to mineral fertilisers. The delivery of many nutrients to plants is facilitated by a healthy soil biota: free-living and symbiotic microflora (e.g. archaea, bacteria and fungi) mineralize, solubilize and facilitate plant uptake of nutrients and the soil fauna (e.g. protozoa, microarthopods and earthworms) influence nutrient cycling processes as higher-level consumers and litter transformers. The delivery of nutrients to plants via the activity of this soil food web is influenced by fertiliser inputs. Here we review the impact of anaerobic digestate on soil biota. The quantity and composition of the carbon in digestate has a large influence on soil heterotrophic microbial dynamics and their subsequent influence on nutrient bioavailability. The main points are (1) digestate low in carbon has little effect on soil microorganisms, whereas digestate higher in carbon increases soil microbial abundance and diversity; (2) labile carbon stimulates fast-growing bacteria, whereas recalcitrant carbon shifts the microbial community in favour of slower-growing fungi and Gram-positive bacteria; and (3) earthworms, springtails and nematodes dwelling in the soil surface layer can be negatively affected by digestate application due to toxicity when compounds such as ammonia are present in high concentrations. Generalized understanding of the effect by digestates on soil biota is made difficult by differences in digestate properties caused by varying feedstock and production methods and the inherent heterogeneity of soil. There is a lack of research investigating the impact of repeated digestate application on soil biota and subsequently soil health. This information would give end users more confidence to substitute mineral fertilisers with digestate.
Keywords	Collembola ; Nematoda ; Protozoa ; ammonia ; bioavailability ; feedstocks ; gas production (biological) ; labile carbon ; microbial communities ; microorganisms ; slurries ; soil fauna ; soil food webs ; soil heterogeneity ; soil quality ; toxicity ; Biogas residue ; Soil organic matter ; Soil microorganisms ; Springtails ; Earthworms ; Sustainable fertilisation
Language	English
Dates of publication	2023-11
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	1196758-4
ISSN	0929-1393
ISSN	0929-1393
DOI	10.1016/j.apsoil.2023.105066
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Droplet Microfluidic-Based

Lu, Bingyuan / Lunn, James / Yeung, Ken / Dhandapani, Selva / Carter, Liam / Roose, Tiina / Shaw, Liz / Nightingale, Adrian / Niu, Xize

Environmental science & technology

2024 Volume 58, Issue 6, Page(s) 2956–2965

Abstract: Monitoring nutrients in the soil can provide valuable information for understanding their spatiotemporal variability and informing precise soil management. Here, we describe an ... ...

Abstract	Monitoring nutrients in the soil can provide valuable information for understanding their spatiotemporal variability and informing precise soil management. Here, we describe an autonomous
MeSH term(s)	Nitrates/analysis ; Microfluidics ; Soil ; Forests
Chemical Substances	Nitrates ; Soil
Language	English
Publishing date	2024-01-30
Publishing country	United States
Document type	Journal Article
ISSN	1520-5851
ISSN (online)	1520-5851
DOI	10.1021/acs.est.3c08207
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: What is the quantity, quality and type of systematic review evidence available to inform the optimal prescribing of statins and antihypertensives? A systematic umbrella review and evidence and gap map.

Shaw, Liz / Briscoe, Simon / Nunns, Michael P / Lawal, Hassanat Mojirola / Melendez-Torres, G J / Turner, Malcolm / Garside, Ruth / Thompson Coon, Jo

BMJ open

2024 Volume 14, Issue 2, Page(s) e072502

Abstract: Objectives: We aimed to map the systematic review evidence available to inform the optimal prescribing of statins and antihypertensive medication.: Design: Systematic umbrella review and evidence and gap map (EGM).: Data sources: Eight ... ...

Abstract	Objectives: We aimed to map the systematic review evidence available to inform the optimal prescribing of statins and antihypertensive medication. Design: Systematic umbrella review and evidence and gap map (EGM). Data sources: Eight bibliographic databases (Cochrane Database of Systematic Reviews, CINAHL, EMBASE, Health Management Information Consortium, MEDLINE ALL, PsycINFO, Conference Proceedings Citation Index-Science and Science Citation Index) were searched from 2010 to 11 August 2020. Update searches conducted in MEDLINE ALL 2 August 2022. We searched relevant websites and conducted backwards citation chasing. Eligibility criteria for selecting studies: We sought systematic reviews of quantitative or qualitative research where adults 16 years+ were currently receiving, or being considered for, a prescription of statin or antihypertensive medication. Eligibility criteria were applied to the title and abstract and full text of each article independently by two reviewers. Data extraction and synthesis: Quality appraisal was completed by one reviewer and checked by a second. Review characteristics were tabulated and incorporated into an EGM based on a patient care pathway. Patients with lived experience provided feedback on our research questions and EGM. Results: Eighty reviews were included within the EGM. The highest quantity of evidence focused on evaluating interventions to promote patient adherence to antihypertensive medication. Key gaps included a lack of reviews synthesising evidence on experiences of specific interventions to promote patient adherence or improve prescribing practice. The evidence was predominantly of low quality, limiting confidence in the findings from individual reviews. Conclusions: This EGM provides an interactive, accessible format for policy developers, service commissioners and clinicians to view the systematic review evidence available relevant to optimising the prescribing of statin and antihypertensive medication. To address the paucity of high-quality research, future reviews should be conducted and reported according to existing guidelines and address the evidence gaps identified above.
MeSH term(s)	Adult ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use ; Antihypertensive Agents/therapeutic use ; Evidence Gaps ; Systematic Reviews as Topic ; Patient Compliance
Chemical Substances	Hydroxymethylglutaryl-CoA Reductase Inhibitors ; Antihypertensive Agents
Language	English
Publishing date	2024-02-24
Publishing country	England
Document type	Journal Article
ZDB-ID	2599832-8
ISSN	2044-6055 ; 2044-6055
ISSN (online)	2044-6055
ISSN	2044-6055
DOI	10.1136/bmjopen-2023-072502
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Primary care clinicians' perspectives on interacting with patients with gynaecological conditions: a systematic review.

Briscoe, Simon / Thompson Coon, Jo / Melendez-Torres, G J / Abbott, Rebecca / Shaw, Liz / Nunns, Michael / Garside, Ruth

BJGP open

2024 Volume 8, Issue 1

Abstract: Background: Studies have found that women with gynaecological conditions and symptoms do not feel listened to by primary care clinicians (PCCs). Less understood is whether PCCs perceive that there are challenges around listening to and interacting with ... ...

Abstract	Background: Studies have found that women with gynaecological conditions and symptoms do not feel listened to by primary care clinicians (PCCs). Less understood is whether PCCs perceive that there are challenges around listening to and interacting with this patient group. Aim: To understand PCCs' perspectives on the challenges of listening to and interacting with women patients with gynaecological conditions and symptoms. Design & setting: Systematic review of English-language studies. Method: We searched ASSIA (Applied Social Sciences Index and Abstracts), CINAHL (Cumulative Index to Nursing and Allied Health Literature), Embase, HMIC (Healthcare Management Information Consortium), and MEDLINE from inception to July 2023. We also conducted forward and backward citation searches of included studies. Identified records were screened independently by two reviewers. Data extraction was undertaken by one reviewer and checked by a second. Quality appraisal used the Wallace checklist. 'Best-fit' framework synthesis was used to synthesise findings around themes that explored the challenges of patient-clinician interaction. Results: We identified 25 relevant articles. Perceived challenges associated with listening to and interacting with patients with gynaecological conditions and symptoms were identified at four 'levels': individual clinician level factors; structural and organisational factors; community and external factors; and factors related to gynaecological conditions. Interpretive analysis identified specific challenges relating to sociocultural factors affecting the consultation experience; the need for further education, training, or guidance for clinicians; factors affecting referral decisions; and factors related to service structure and organisation. Conclusion: PCCs acknowledge that empathy, respect, and attentive listening are important when interacting with women patients with gynaecological conditions and symptoms. However, these ideals are impeded by several factors.
Language	English
Publishing date	2024-04-25
Publishing country	England
Document type	Journal Article
ISSN	2398-3795
ISSN (online)	2398-3795
DOI	10.3399/BJGPO.2023.0133
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Article ; Online: Effects of application of horticultural soil amendments on decomposition, quantity, stabilisation and quality of soil carbon.

Duddigan, Sarah / Shaw, Liz J / Alexander, Paul D / Collins, Chris D

Scientific reports

2022 Volume 12, Issue 1, Page(s) 17631

Abstract: Application of organic soil amendments is commonplace in horticulture to improve soil fertility. Whether this practice can also augment the soil carbon (C) pool has been of increasing interest in recent years. We used a controlled field experiment that ... ...

Abstract	Application of organic soil amendments is commonplace in horticulture to improve soil fertility. Whether this practice can also augment the soil carbon (C) pool has been of increasing interest in recent years. We used a controlled field experiment that has received annual applications of six different horticultural soil amendments for seven consecutive years. Each amendment was examined in terms of its contribution to bulk C and the distribution of C between theoretical pools, as defined by physical fractionation. Physical fractionation was combined with
MeSH term(s)	Soil/chemistry ; Carbon ; Nitrogen ; Minerals ; Horticulture ; Tea
Chemical Substances	Soil ; Carbon (7440-44-0) ; Nitrogen (N762921K75) ; Minerals ; Tea
Language	English
Publishing date	2022-10-21
Publishing country	England
Document type	Journal Article
ZDB-ID	2615211-3
ISSN	2045-2322 ; 2045-2322
ISSN (online)	2045-2322
ISSN	2045-2322
DOI	10.1038/s41598-022-22451-2
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Adapting how to use Google Search to identify studies for systematic reviews in view of a recent change to how search results are displayed.

Briscoe, Simon / Abbott, Rebecca / Lawal, Hassanat / Rogers, Morwenna / Shaw, Liz / Thompson Coon, Jo

Research synthesis methods

2023 Volume 15, Issue 1, Page(s) 175–176

MeSH term(s)	Search Engine ; Systematic Reviews as Topic ; Information Storage and Retrieval ; Databases, Bibliographic
Language	English
Publishing date	2023-11-29
Publishing country	England
Document type	Letter
ZDB-ID	2548499-0
ISSN	1759-2887 ; 1759-2879
ISSN (online)	1759-2887
ISSN	1759-2879
DOI	10.1002/jrsm.1687
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Article ; Online: Feasibility and desirability of screening search results from Google Search exhaustively for systematic reviews: A cross-case analysis.

Briscoe, Simon / Abbott, Rebeca / Lawal, Hassanat / Shaw, Liz / Coon, Jo Thompson

Research synthesis methods

2023 Volume 14, Issue 3, Page(s) 427–437

Abstract: A commonly reported challenge of using Google Search to identify studies for a systematic review is the high number of results retrieved. Thus, 'stopping rules' are applied when screening, such as screening only the first 100 results. However, recent ... ...

Abstract	A commonly reported challenge of using Google Search to identify studies for a systematic review is the high number of results retrieved. Thus, 'stopping rules' are applied when screening, such as screening only the first 100 results. However, recent evidence shows that Google Search estimates a much higher number of results than the viewable number, raising the possibility of exhaustive screening. This study aimed to provide further evidence on the feasibility of screening search results from Google Search exhaustively, and to assess the desirability of this in terms of identifying studies for a systematic review. We conducted a cross-case analysis of the search results of eight Google Search searches from two systematic reviews. Feasibility of exhaustive screening was ascertained by calculating the viewable number of results. Desirability was ascertained according to: (1) the distribution of studies within the results, irrespective of relevance to a systematic review; (2) the distribution of studies which met the inclusion criteria for the two systematic reviews. The estimated number of results across the eight searches ranged from 342,000 to 72,300,000. The viewable number ranged from 272 to 364. Across the eight searches the distribution of studies was highest in the first 100 results. However, the lowest ranking relevant studies were ranked 227th and 215th for the two systematic reviews. One study per review was identified uniquely from searching Google Search, both within the first 100 results. The findings suggest it is feasible and desirable to screen Google Search results more extensively than commonly reported.
MeSH term(s)	Search Engine ; Information Storage and Retrieval ; Thorium ; Databases, Bibliographic ; Feasibility Studies ; Systematic Reviews as Topic
Chemical Substances	Thorium-227 ; Thorium (60YU5MIG9W)
Language	English
Publishing date	2023-01-19
Publishing country	England
Document type	Journal Article
ZDB-ID	2548499-0
ISSN	1759-2887 ; 1759-2879
ISSN (online)	1759-2887
ISSN	1759-2879
DOI	10.1002/jrsm.1622
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Book ; Online: Differential temperature sensitivity of intracellular metabolic processes and extracellular soil enzyme activities

Adekanmbi, Adetunji Alex / Dale, Laurence / Shaw, Liz / Sizmur, Tom

eISSN: 1726-4189

2023

Abstract: Predictions concerning the feedback of soil heterotrophic respiration to a warming climate often do not differentiate between the extracellular and intracellular steps involved in soil organic matter decomposition. This study examined the temperature ... ...

Abstract	Predictions concerning the feedback of soil heterotrophic respiration to a warming climate often do not differentiate between the extracellular and intracellular steps involved in soil organic matter decomposition. This study examined the temperature sensitivities of intracellular metabolic processes and extracellular soil enzyme activities and how they are influenced by previous temperatures. We pre-incubated soils at 5, 15, or 26 ∘ C to acclimatize the microbial communities to different thermal regimes for 60 d before measuring potential activities of β -glucosidase and chitinase (extracellular enzymes), glucose-induced respiration (intracellular metabolic processes), and basal respiration at a range of assay temperatures (5, 15, 26, 37, and 45 ∘ C). A higher pre-incubation temperature decreased the soil pH and C / N <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="24pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="a1fd226718b6fd2378e4d645ff1b8807"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="bg-20-2207-2023-ie00001.svg" width="24pt" height="14pt" src="bg-20-2207-2023-ie00001.png"/></svg:svg> ratio and decreased β -glucosidase potential activity and respiration but not chitinase potential activity. It is likely that this legacy effect on β -glucosidase and respiration is an indirect effect of substrate depletion rather than physiological acclimatation or genetic adaptation. Pre-incubation temperature effects on temperature sensitivity were subtle and restricted to extracellular activities, perhaps because of the short (60 d) duration of the pre-incubation at temperatures that were below the initial optimum ( ∼ 30 ∘ C) for the mesophilic soil community. However, we found that the intracellular and extracellular steps differ in their temperature sensitivity, and this observation differs depending on the range of temperature used for Q 10 estimates of temperature sensitivity. Between 5 and 15 ∘ C intracellular and extracellular processes show equal ...
Subject code	333
Language	English
Publishing date	2023-06-16
Publishing country	de
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Book ; Online: Differential Temperature Sensitivity of Intracellular and Extracellular Soil Enzyme Activities

Adekanmbi, Adetunji Alex / Dale, Laurence / Shaw, Liz J. / Sizmur, Tom

eISSN:

2023

Abstract	Predictions concerning the feedback of soil heterotrophic respiration to a warming climate often do not differentiate between the extracellular and intracellular steps involved in soil organic matter decomposition. This study examined the temperature sensitivities of intracellular metabolic processes and extracellular soil enzyme activities and how they are influenced by previous temperatures. We pre-incubated soils at 5, 15, or 26 ∘ C to acclimatize the microbial communities to different thermal regimes for 60 d before measuring potential activities of β -glucosidase and chitinase (extracellular enzymes), glucose-induced respiration (intracellular metabolic processes), and basal respiration at a range of assay temperatures (5, 15, 26, 37, and 45 ∘ C). A higher pre-incubation temperature decreased the soil pH and C / N <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="24pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="a1fd226718b6fd2378e4d645ff1b8807"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="bg-20-2207-2023-ie00001.svg" width="24pt" height="14pt" src="bg-20-2207-2023-ie00001.png"/></svg:svg> ratio and decreased β -glucosidase potential activity and respiration but not chitinase potential activity. It is likely that this legacy effect on β -glucosidase and respiration is an indirect effect of substrate depletion rather than physiological acclimatation or genetic adaptation. Pre-incubation temperature effects on temperature sensitivity were subtle and restricted to extracellular activities, perhaps because of the short (60 d) duration of the pre-incubation at temperatures that were below the initial optimum ( ∼ 30 ∘ C) for the mesophilic soil community. However, we found that the intracellular and extracellular steps differ in their temperature sensitivity, and this observation differs depending on the range of temperature used for Q 10 estimates of temperature sensitivity. Between 5 and 15 ∘ C intracellular and extracellular processes show equal ...
Subject code	333
Language	English
Publishing date	2023-06-16
Publishing country	de
Document type	Book ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Applying cover crop residues as diverse mixtures increases initial microbial assimilation of crop residue‐derived carbon

Shu, Xin / Zou, Yiran / Shaw, Liz J. / Todman, Lindsay / Tibbett, Mark / Sizmur, Tom

European journal of soil science. 2022 Mar., v. 73, no. 2

2022

Abstract: Increasing the diversity of crops grown in arable soils delivers multiple ecological functions. Whether mixtures of residues from different crops grown in polyculture contribute to microbial assimilation of carbon (C) to a greater extent than would be ... ...

Abstract	Increasing the diversity of crops grown in arable soils delivers multiple ecological functions. Whether mixtures of residues from different crops grown in polyculture contribute to microbial assimilation of carbon (C) to a greater extent than would be expected from applying individual residues is currently unknown. In this study, we used ¹³C isotope labelled cover crop residues (buckwheat, clover, radish, and sunflower) to track microbial assimilation of plant residue‐derived C using phospholipid fatty acid (PLFA) analysis. We also quantified microbial assimilation of C derived from the soil organic matter (SOM) because fresh residue inputs also prime the decomposition of SOM. To consider the initial stages of residue decomposition, and preclude microbial turnover, we compared a quaternary mixture of residues with the average effect of their four components 1 day after incorporation. Our results show that the microbial biomass carbon (MBC) in the treatment receiving the mixed residue was significantly greater, by 132% (3.61 μg C g⁻¹), than the mean plant residue‐derived MBC in treatments receiving the four individual components of the mixture. However, there was no evidence that the mixture resulted in any additional assimilation of C derived from native SOM than the average observed in individual residue treatments. We surmise that, during the initial stages of crop residue decomposition, a greater biodiversity of residues increases microbial assimilation to a greater extent than would be expected from applying individual residues either due to faster decomposition or greater carbon use efficiency (CUE). This might be facilitated by functional complementarity in the soil microbiota, permitted by a greater diversity of substrates, reducing competition for any single substrate. Therefore, growing and incorporating crop polycultures (e.g., cover crop mixtures) could be an effective method to increase microbial C assimilation in the early stages of cover crop decomposition. HIGHLIGHTS: The effect of mixing crop residues on assimilation of C by soil microbial biomass was investigated. The study is important due to recent interest in diverse cover crop mixtures for arable systems. Mixing crop residues enhanced the assimilation of plant residue‐derived C into microbial biomass. Growing and incorporating cover crop polycultures may enhance C storage in arable soils.
Keywords	Helianthus annuus ; biodiversity ; buckwheat ; cover crops ; crop residues ; microbial biomass ; microbial carbon ; phospholipid fatty acids ; radishes ; soil microorganisms ; soil organic matter
Language	English
Dates of publication	2022-03
Publishing place	Blackwell Publishing Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	1191614-x
ISSN	1365-2389 ; 1351-0754
ISSN (online)	1365-2389
ISSN	1351-0754
DOI	10.1111/ejss.13232
Database	NAL-Catalogue (AGRICOLA)

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