Prof Dave Chadwick

• PhD: Effect of climate change on decomposition in forest ecosystems. Lancaster Univ.
  1990–1995
• BSc: BSc Agriculture and Environmental Science. University of Newcastle upon Tyne. 2:i.
  1984–1987

My interests are in the management of nutrients in livestock manures, other organic resources and fertilisers to optimise nutrient utilisation whilst minimising impacts on water and air quality. This includes; quantifying and mitigating greenhouse gas emissions, reducing the risk of transfers of pollutants to watercourses, and understanding the secondary impacts of mitigating diffuse agricultural pollution. As well as publishing refereed scientific papers, I also contribute to policy and practice.

2019

• PublishedIs the ‘enzyme latch’ or ‘iron gate’ the key to protecting soil organic carbon in peatlands?
  Wen, Y., Zang, H., Ma, Q., Evans, C. D., Chadwick, D. R. & Jones, D. L., 1 Sep 2019, In : Geoderma. 349, p. 107-113
  Research output: Contribution to journal › Article
• PublishedJust the tonic! Legume biorefining for alcohol has the potential to reduce Europe's protein deficit and mitigate climate change
  Lienhardt, T., Black, K., Saget, S., Costa, M. P., Chadwick, D., Rees, R. M., Williams, M., Spillane, C., Iannetta, P. M., Walker, G. & Styles, D., Sep 2019, In : Environment International. 130, p. 104870
  Research output: Contribution to journal › Article
• PublishedShort-term responses of greenhouse gas emissions and ecosystem carbon fluxes to elevated ozone and N fertilization in a temperate grassland
  Wang, J., Hayes, F., Hill, P. W., Chadwick, D. R., Mills, G. & Jones, D. L., 15 Aug 2019, In : Atmospheric Environment. 211, p. 204-213 10 p.
  Research output: Contribution to journal › Article
• Accepted/In pressVulnerability of British farms to post-Brexit subsidy removal, and implications for intensification, extensification and land sparing.
  Arnott, D., Chadwick, D., Wynne-Jones, S. & Jones, D. L., 1 Aug 2019, (Accepted/In press) In : Land Use Policy.
  Research output: Contribution to journal › Article
• PublishedA critical review of the impacts of cover crops on nitrogen leaching, net greenhouse gas balance and crop productivity
  Abdallah, M., Hastings, A., Cheng, K., Yue, Q., Chadwick, D., Espenberg, M., Truu, J., Rees, R. M. & Smith, P., Aug 2019, In : Global Change Biology. 25, 8, p. 2530-2543
  Research output: Contribution to journal › Article
• PublishedAgroecosystem resilience in response to extreme winter flooding
  Harvey, R. J., Chadwick, D. R., Sánchez-Rodríguez, A. R. & Jones, D. L., 1 Jul 2019, In : Agriculture, Ecosystems and Environment. p. 1-13
  Research output: Contribution to journal › Article
• PublishedSlurry acidification and anaerobic digestion affects the speciation and vertical movement of particulate and nanoparticulate phosphorus in soil after cattle slurry application
  Li, Y., Jones, D. L., Chen, Q. & Chadwick, D. R., Jun 2019, In : SOIL & TILLAGE RESEARCH. 189, p. 199-206 8 p.
  Research output: Contribution to journal › Article
• PublishedAssessing the benefits and wider costs of different N fertilisers for grassland agriculture
  Carswell, A., Shaw, R., Hunt, J., Rafael Sanchez-Rodriguez, A., Saunders, K., Cotton, J., Hill, P. W., Chadwick, D. R., Jones, D. L. & Misselbrook, T. H., 16 Apr 2019, In : Archives of Agronomy and Soil Science . 65, 5, p. 625-639
  Research output: Contribution to journal › Article
• PublishedNitrogen use efficiency and nitrous oxide emissions from five UK fertilised grasslands
  Cardenas, L. M., Bhogal, A., Chadwick, D. R., McGeough, K., Misselbrook, T., Rees, R. M., Thorman, R. E., Watson, C. J., Williams, J. R., Smith, K. A. & Calvet, S., 15 Apr 2019, In : Science of the Total Environment. 661, p. 696-710
  Research output: Contribution to journal › Article
• PublishedEffects of four years of elevated ozone on microbial biomass and extracellular enzyme activities in a semi-natural grassland
  Wang, J., Hayes, F., Turner, R., Chadwick, D. R., Mills, G. & Jones, D. L., 10 Apr 2019, In : Science of the Total Environment. 660, p. 260-268 9 p.
  Research output: Contribution to journal › Article
• PublishedExtreme flood events at higher temperatures exacerbate the loss of soil functionality and trace gas emissions in grassland
  Rafael Sanchez-Rodriguez, A., Nie, C., Hill, P. W., Chadwick, D. R. & Jones, D. L., Mar 2019, In : Soil Biology and Biochemistry. 130, p. 227-236
  Research output: Contribution to journal › Article
• PublishedScience to Policy: Climate-proofing grassland productivity
  Wiik, E., Jones, D. L., Chadwick, D., Hill, P., Sanchez Rodriguez, A., Dodd, R., Turner, R., Kingston-Smith, A., Gwynn-Jones, D., Doonan, J., Scullion, J., Loka, D., Hayes, F., Robinson, D. & Toberman, H., Mar 2019, Ser Cymru National Research Network for Low Carbon, Energy and Environment. (Science to Policy)
  Research output: Book/Report › Commissioned report
• PublishedAccumulation and leaching of nitrate in soils in wheat-maize production in China
  Lu, J., Bai, Z., Velthof, G. L., Wu, Z., Chadwick, D. & Ma, L., 1 Feb 2019, In : AGRICULTURAL WATER MANAGEMENT. 212, p. 407-415
  Research output: Contribution to journal › Article
• PublishedWhat can management option uptake tell us about ecosystem services delivery through agri-environment schemes?
  Arnott, D., Chadwick, D., Harris, I., Koj, A. & Jones, D. L., 1 Feb 2019, In : Land Use Policy. 81, p. 194-208
  Research output: Contribution to journal › Article
• PublishedChallenges to implementing greenhouse gas mitigation measures in livestock agriculture: A conceptual framework for policymakers
  Kipling, R. P., Taft, H. E., Chadwick, D. R., Styles, D. & Moorby, J., Feb 2019, In : Environmental Science and Policy. 92, p. 107-115
  Research output: Contribution to journal › Article
• PublishedTypology of extreme flood event leads to differential impacts on soil functioning
  Rafael Sanchez-Rodriguez, A., Hill, P. W., Chadwick, D. R. & Jones, D. L., Feb 2019, In : Soil Biology and Biochemistry. 129, p. 153-168
  Research output: Contribution to journal › Article
• PublishedWhat agricultural practices are most likely to deliver ‘sustainable intensification’?
  Dicks, L., Rose, D., Ang, F., Birch, N., Boatman, N., Bowles, E., Chadwick, D., Dinsdale, A., Durham, S., Elliott, J., Firbank, L., Humphreys, S., Jarvis, P., Jones, D., Kindred, D., Knight, S., Lee, M., Leifert, C., Lobley, M., Matthews, K., Midmer, A., Moore, M., Morris, C., Mortimer, S., Murray, T., Norman, K., Ramsden, S., Roberts, D., Smith, L., Soffe, R., Stoate, C., Taylor, B., Tinker, D., Topliff, M., Wallace, J., Williams, P., Wilson, P., Winter, M. & Sutherland, W., Feb 2019, In : Food and Energy Security. 8, 1, e00148.
  Research output: Contribution to journal › Article

2018

• PublishedCan In-Situ Soil Nitrate Measurements Improve Nitrogen-Use Efficiency in Agricultural Systems?
  Jones, D. L., Chadwick, D. R., Rengaraj, S., Wu, D., Williams, A. P., Hill, P. W., Miller, A. J., Lark, R. M., Rosolem, C. A., Damin, V. & Shaw, R., 1 Dec 2018, Proceedings 1466-1314. International Fertiliser Society, Vol. 825. p. 1-32 32 p. 825
  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• PublishedInteraction of straw amendment and soil NO3- content controls fungal denitrification and denitrification product stoichiometry in a sandy soil
  Senbayram, M., Well, R., Bol, R., Chadwick, D. R., Jones, D. L. & Wu, D., Nov 2018, In : Soil Biology and Biochemistry. 126, p. 204-212
  Research output: Contribution to journal › Article
• PublishedSheep urine patch N2O emissions are lower from extensively-managed than intensively-managed grasslands
  Marsden, K., Holmberg, J., Jones, D. L. & Chadwick, D., 1 Oct 2018, In : Agriculture, Ecosystems and Environment. 265, p. 264-274
  Research output: Contribution to journal › Article
• PublishedUrea-based fertilization strategies to reduce yield-scaled N oxides and enhance bread-making quality in a rainfed Mediterranean wheat crop
  Guardia, G., Sanz-Cobena, A., Sanchez-Martin, L., Fuertes-Mendizabal, T., Gonzalez-Murua, C., Alvarez, J. M., Chadwick, D. & Vallejo, A., Oct 2018, In : Agriculture, Ecosystems and Environment. 265, p. 421-431
  Research output: Contribution to journal › Article
• PublishedThe environmental costs and benefits of high-yield farming
  Balmford, A., Amano, T., Bartlett, H., Chadwick, D., Collins, A., Edwards, D., Field, R., Garnsworthy, P., Green, R., Smith, P., Waters, H., Whitmore, A., Broom, D. M., Chara, J., Finch, T., Garnett, E., Gathorne-Hardy, A., Hernandez-Medrano, J., Herrero, M., Hua, F., Latawiec, A., Misselbrook, T., Phalan, B., Simmons, B. I., Takahashi, T., Vause, J., zu Ermgassen, E. & Eisner, R., 14 Sep 2018, In : Nature Sustainability . 1, p. 477-485
  Research output: Contribution to journal › Article
• PublishedComposting with negative pressure aeration for the mitigation of ammonia emissions and global warming potential
  Wang, X., Bai, Z., Gao, B., Chadwick, D., Qing, C., Hu, C. & Ma, L., 10 Sep 2018, In : Journal of Cleaner Production. 195, p. 448-457
  Research output: Contribution to journal › Article
• PublishedRepeated application of anaerobic digestate, undigested cattle slurry and inorganic fertilizer N: Impacts on pasture yield and quality
  Walsh, J. J., Jones, D. L., Chadwick, D. & Williams, A., 1 Sep 2018, In : Grass and Forage Science. 73, p. 758-763
  Research output: Contribution to journal › Article
• PublishedThe contribution of cattle urine and dung to nitrous oxide emissions: Quantification of country specific emission factors and implications for national inventories
  Chadwick, D. R., Cardenas, L. M., Dhanoa, M. S., Donovan, N., Misselbrook, T., Williams, J. R., Thorman, R. E., McGeough, K. L., Watson, C. J., Watson, C. J., Bell, M., Anthony, S. G. & Rees, R. M., 1 Sep 2018, In : Science of the Total Environment. 635, p. 607-617
  Research output: Contribution to journal › Article
• PublishedFertilizer regime changes the competitive uptake of organic nitrogen by wheat and soil microorganisms: An in-situ uptake test using 13C, 15N labelling, and 13C-PLFA analysis
  Ma, Q., Wu, L., Wang, J., Ma, J., Zheng, N., Hill, P., Chadwick, D. & Jones, D. L., 10 Aug 2018, In : Soil Biology and Biochemistry. 125, p. 319-327
  Research output: Contribution to journal › Article
• PublishedDesigning Vulnerable Zones of Nitrogen and Phosphorus Transfers to Control Water Pollution in China
  Bai, Z., Lu, J., Zhao, H., Velthof, G. L., Oenema, O., Chadwick, D., Williams, D. R., Jin, S., Liu, H., Wang, M., Strokal, M., Kroeze, M., Hu, C. & Ma, L., 30 Jul 2018, In : Environmental Science and Technology.
  Research output: Contribution to journal › Article
• PublishedAdvanced Processing of Food Waste Based Digestate for Mitigating Nitrogen Losses in a Winter Wheat Crop
  Sanchez Rodriguez, A., Carswell, A. M., Shaw, R., Hunt, J., Saunders, K., Cotton, J., Chadwick, D., Jones, D. L. & Misselbrook, T. H., 17 Jul 2018, In : Frontiers in Sustainable Food Systems.
  Research output: Contribution to journal › Article
• PublishedLife Cycle Assessment of Biofertilizer Production and Use Compared with Conventional Liquid Digestate Management
  Styles, D., Adams, P., Thelin, G., Vaneeckhaute, C., Chadwick, D. & Withers, P., 3 Jul 2018, In : Environmental Science and Technology. 52, 13, p. 7468-7476
  Research output: Contribution to journal › Article
• PublishedClassification of sheep urination events using accelerometers to aid improved measurements of livestock contributions to nitrous oxide emissions
  Lush, L., Wilson, R. P., Holton, M. D., Hopkins, P., Marsden, K., Chadwick, D. & King, A. J., 1 Jul 2018, In : Computers and Electronics in Agriculture. 150, p. 170-177
  Research output: Contribution to journal › Article
• PublishedDetermining the influence of environmental and edaphic factors on the fate of the nitrification inhibitors DCD and DMPP in soil
  Guardia, G., Marsden, K., Vallejo, A., Jones, D. & Chadwick, D., 15 May 2018, In : Science of the Total Environment. 624, p. 1202-1212
  Research output: Contribution to journal › Article
• PublishedComparative effects of prolonged freshwater and saline flooding on nitrogen cycling in an agricultural soil
  Sanchez Rodriguez, A., Chadwick, D., Tatton, G., Hill, P. & Jones, D. L., Apr 2018, In : Applied Soil Ecology. 125, p. 56-70
  Research output: Contribution to journal › Article
• PublishedGreenhouse gas and ammonia emissions and mitigation options from livestock production in peri-urban agriculture: Beijing – A case study
  Wei, S., Bai, Z. H., Chadwick, D., Hou, Y., Qin, W., Zhao, Z. Q., Jiang, R. F. & Ma, L., 20 Mar 2018, In : Journal of Cleaner Production. 178, p. 515-525
  Research output: Contribution to journal › Article
• PublishedGlobal analysis of agricultural soil denitrification in response to fertilizer nitrogen
  Wang, J., Chadwick, D., Cheng, Y. & Yan, X., 1 Mar 2018, In : Science of the Total Environment. 616-617, p. 908-917
  Research output: Contribution to journal › Article
• PublishedCritical review of the impacts of grazing intensity on soil organic carbon storage and other soil quality indicators in extensively managed grasslands
  Abdalla, M., Hastings, A., Chadwick, D. R., Jones, D. L., Evans, C. D., Jones, M. B., Rees, R. M. & Smith, P., 1 Feb 2018, In : Agriculture, Ecosystems and Environment. 253, p. 62-81
  Research output: Contribution to journal › Review article
• PublishedEnhanced-efficiency fertilizers are not a panacea for resolving the nitrogen problem
  Li, T., Zhang, W., Yin, J., Chadwick, D., Norse, D., Lu, Y., Liu, X., Chen, X., Zhang, F., Powlson, D. & Dou, Z., Feb 2018, In : Global Change Biology. 24, 2, p. e511-e521
  Research output: Contribution to journal › Article
• PublishedImpact of microbial activity on the leaching of soluble N forms in soil
  Carswell, A. M., Hill, P., Jones, D., Blackwell, M. S. A., Johnes, P. J., Chadwick, D. & Dixon, E. R., Jan 2018, In : Biology and Fertility of Soils. 54, 1, p. 21-25
  Research output: Contribution to journal › Article
• PublishedChapter Four - The Importance of Sustained Grassland and Environmental Research: A Case Study From North Wyke Research Station, UK, 1982–2017
  Blackwell, M. S. A., Jarvis, S. C., Wilkins, R. J., Beaumont, D. A., Cardenas, L. M., Chadwick, D., Collins, A. L., Dungait, J. A. J., Gibbs, M. J., Hopkins, A., Lee, M. R. F., Misselbrook, T. H., Murray, P. J. & Tallowin, J. R. B., 2018, In : Advances in Agronomy. 149, p. 161-235
  Research output: Contribution to journal › Article

2017

• PublishedModelling spatial and inter-annual variations of nitrous oxide emissions from UK cropland and grasslands using DailyDayCent
  Fitton, N., Datta, A., Cloy, J. M., Rees, R. M., Topp, C. F. E., Bell, M. J., Cardenas, L. M., Williams, J., Smith, K., Thorman, R., Watson, C. J., McGeough, K. L., Kuhnert, M., Hastings, A., Anthony, S., Chadwick, D. & Smith, P., 1 Dec 2017, In : Agriculture, Ecosystems and Environment. 250, p. 1-11
  Research output: Contribution to journal › Article
• PublishedSubstantial N2O emission during the initial period of the wheat season due to the conversion of winter-flooded paddy to rice-wheat rotation
  Wei, Z., Lin, S., Wu, L., Zhao, J., Wang, M., Zhu, B., Mo, Y., Hu, R., Chadwick, D. & Shaaban, M., 1 Dec 2017, In : Atmospheric Environment. 170, p. 269-278
  Research output: Contribution to journal › Article
• PublishedNitrogen losses to the environment following food-based digestate and compost applications to agricultural land
  Nicholson, F., Bhogal, A., Cardenas, L., Chadwick, D., Misselbrook, T., Rollett, A., Taylor, M., Thorman, R. & Williams, J., 1 Sep 2017, In : Environmental Pollution. 228, p. 504-516
  Research output: Contribution to journal › Article
• PublishedDMPP is ineffective at mitigating N2O emissions from sheep urine patches in a UK grassland under summer conditions
  Marsden, K., Jones, D. & Chadwick, D., 1 Aug 2017, In : Agriculture, Ecosystems and Environment. 246, p. 1-11 11 p.
  Research output: Contribution to journal › Article
• PublishedCritical comparison of the impact of biochar and wood ash on soil organic matter cycling and grassland productivity
  Jones, D., Hill, P. & Chadwick, D., Jul 2017, In : Soil Biology and Biochemistry. 110, p. 134-142
  Research output: Contribution to journal › Article
• PublishedCrop residues exacerbate the negative effects of extreme flooding on soil quality
  Hill, P., Jones, D. & Chadwick, D., 19 Jun 2017, In : Biology and Fertility of Soils.
  Research output: Contribution to journal › Article
• PublishedEffects of adding bulking agents on biostabilization and drying of municipal solid waste
  Yuan, J., Zhang, D., Li, Y., Chadwick, D., Li, G., Li, Y. & Du, L., 1 Apr 2017, In : Waste Management. 62, p. 52-60
  Research output: Contribution to journal › Article
• PublishedMitigating Greenhouse Gas and Ammonia Emissions from Swine Manure Management: A System Analysis
  Wang, Y., Dong, H., Zhu, Z., Gerber, P. J., Xin, H., Smith, P., Opio, C., Steinfeld, H. & Chadwick, D., Mar 2017, In : Environmental Science and Technology. 51, 8, p. 4503-4511
  Research output: Contribution to journal › Article
• PublishedDiet management to effectively abate N2O emissions from surface applied pig slurry
  Sanchez-Martin, L., Beccaccia, A., De.Blas, C., Garcia-Rebollar, P., Estelles, F., Marsden, K., Chadwick, D. & Vallejo, A., 15 Feb 2017, In : Agriculture, Ecosystems and Environment. 239, p. 1-11
  Research output: Contribution to journal › Article
• PublishedCurrent approaches and future trends in compost quality criteria for agronomic, environmental and human health benefits
  Bernal, M. P., Sommer, S., Chadwick, D., Qing, C., Li, G. & Michel Jr, F., 2017, Advances in Agronomy. Vol. 144. p. 143-233
  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• PublishedLivestock housing and manure storage need to be improved in China
  Bai, Z., Li, X., Lu, J., Wang, X., Velthof, G. L., Chadwick, D., Luo, J., Ledgard, S., Wu, Z., Jin, S., Oenema, O., Ma, L. & Hu, C., 2017, In : Environmental Science and Technology. 51, 15, p. 8212-8214
  Research output: Contribution to journal › Article

2016

• PublishedAssessment of bioavailable organic phosphorus in tropical forest soils by organic acid extraction and phosphatase hydrolysis
  Darch, T., Blackwell, M. S. A., Chadwick, D., Haygarth, P. M., Hawkins, J. M. B. & Turner, B. L., 15 Dec 2016, In : Geoderma. 284, p. 93-102
  Research output: Contribution to journal › Article
• PublishedSeasonal persistence of faecal indicator organisms in soil following dairy slurry application to land by surface broadcasting and shallow injection
  Hodgson, C., Oliver, D. M., Fish, R. D., Bulmer, N. M., Heathwaite, A. L., Winter, M. & Chadwick, D., 1 Dec 2016, In : Journal of Environmental Management. 183, Part 1, p. 325-332
  Research output: Contribution to journal › Article
• PublishedCharacterising the within-field scale spatial variation of nitrogen in a grassland soil to inform the efficient design of in-situ nitrogen sensor networks for precision agriculture
  Shaw, R., Lark, R. M., Williams, A. P., Chadwick, D. R. & Jones, D., 16 Aug 2016, In : Agriculture, Ecosystems and Environment. 230, p. 294-306
  Research output: Contribution to journal › Article
• PublishedEnvironmental balance of the UK biogas sector: An evaluation by consequential life cycle assessment
  Styles, D., Dominguez, E. M. & Chadwick, D., 1 Aug 2016, In : Science of the Total Environment. 560-561, p. 241-253
  Research output: Contribution to journal › Article
• PublishedQuantifying N2O emissions from intensive grassland production: the role of synthetic fertilizer type, application rate, timing and nitrification inhibitors
  Bell, M. J., Cloy, J. M., Topp, C. F. E., Ball, B. C., Bagnall, A., Rees, R. M. & Chadwick, D. R., 1 Jul 2016, In : Journal of Agricultural Science. 154, 5, p. 812-827
  Research output: Contribution to journal › Article
• PublishedMineralization of organic nitrogen from farm manure applications
  Bhogal, A., Williams, J. R., Nicholson, F. A., Chadwick, D. R., Chambers, K. H. & Chambers, B. J., 1 Jun 2016, In : Soil Use and Management. 32, S1, p. 32-43
  Research output: Contribution to journal › Article
• PublishedA method-centric ‘User Manual’ for the mitigation of diffuse water pollution from agriculture
  Cuttler, S. P., Newell-Price, J. P., Harris, D., Chadwick, D., Shepherd, M. A., Anthony, S. G. A., Macleod, C. J. A., Haygarth, P. M. & Chambers, B. J., Jun 2016, In : Soil Use and Management. 32, S1, p. 162-171
  Research output: Contribution to journal › Article
• PublishedShort-term biotic removal of dissolved organic nitrogen (DON) compounds from soil solution and subsequent mineralisation in contrasting grassland soils
  Carswell, A. M., Hill, P. W., Jones, D., Blackwell, M. S. A., Johnes, P. & Chadwick, D. R., 1 May 2016, In : Soil Biology and Biochemistry. 96, p. 82-85
  Research output: Contribution to journal › Article
• PublishedThe mobility of nitrification inhibitors under simulated ruminant urine deposition and rainfall: a comparison between DCD and DMPP
  Marsden, K. A., Marin-Martinez, A. J., Vallejo, A., Hill, P. W., Jones, D. & Chadwick, D. R., 1 May 2016, In : Biology and Fertility of Soils. 52, 4, p. 491-503
  Research output: Contribution to journal › Article
• PublishedThe potential for land sparing to offset greenhouse gas emissions from agriculture
  Lamb, A., Green, R., Kasoar, T., Phalan, B., zu Ermgassen, E. K. H. J., Balmford, A., Crane, E., Field, R., Bateman, I., Broadmeadow, M., Bruce, T., Goulding, K., Pickett, J., Burney, J., Carey, P., Griffiths, H., Chadwick, D., Hastings, A., Smith, P., Kindred, D. & Wall, E., May 2016, In : Nature Climate Change. 2016, 6, p. 488-492
  Research output: Contribution to journal › Letter
• PublishedDo Effective Micro-Organisms Affect Greenhouse Gas Emissions from Slurry Crusts?
  Bastami, M. S. B., Chadwick, D. & Jones, D., 1 Mar 2016, In : Journal of Advanced Agricultural Technologies. 3, 1
  Research output: Contribution to journal › Article
• PublishedEvidence that the efficacy of the nitrification inhibitor dicyandiamide (DCD) is affected by soil properties in UK soils
  McGeough, K. L., Watson, C. J., Mueller, C., Laughlin, R. J. & Chadwick, D. R., Mar 2016, In : Soil Biology and Biochemistry. 94, p. 222-232
  Research output: Contribution to journal › Article
• PublishedHow do emission rates and emission factors for nitrous oxide and ammonia vary with manure type and time of application in a Scottish farmland?
  Bell, M. J., Hinton, N. J., Cloy, J. M., Topp, C. F. E., Rees, R. M., Williams, J. R., Misselbrook, T. H. & Chadwick, D. R., 15 Feb 2016, In : Geoderma. 264, p. 81-93
  Research output: Contribution to journal › Article
• PublishedDisentangling the effect of sheep urine patch size and nitrogen loading rate on cumulative N2O emissions
  Marsden, K., Jones, D. L. & Chadwick, D., 9 Feb 2016, In : Animal Production Science. 56, 3, p. 265-275
  Research output: Contribution to journal › Article
• PublishedRunoff- and erosion-driven transport of cattle slurry: linking molecular tracers to hydrological processes
  Lloyd, C. E. M., Michaelides, K., Chadwick, D. R., Dungait, J. A. J. & Evershed, R. P., 1 Feb 2016, In : Biogeosciences. 13, 2, p. 551-566
  Research output: Contribution to journal › Article
• PublishedThe urine patch diffusional area: An important N2O source?
  Marsden, K. A., Jones, D. & Chadwick, D. R., Jan 2016, In : Soil Biology and Biochemistry. 92, January, p. 161-170
  Research output: Contribution to journal › Article
• PublishedNitrogen, Phosphorus, and Potassium Flows through the Manure Management Chain in China
  Bai, Z., Ma, L., Jin, S., Ma, W., Velthof, G. L., Oenema, O., Liu, L., Chadwick, D. & Zhang, F., 2016, In : Environmental Science and Technology. 50, 24, p. 13409-13418
  Research output: Contribution to journal › Article

2015

• PublishedPlant acquisition and metabolism of the synthetic nitrification inhibitor dicyandiamide and naturally-occurring guanidine from agricultural soils
  Marsden, K. A., Scowen, M., Hill, P. W., Jones, D. L. & Chadwick, D. R., Oct 2015, In : Plant and Soil. 395, 1, p. 201-214
  Research output: Contribution to journal › Article
• PublishedCattle feed or bioenergy? Consequential life cycle assessment of biogas feedstock options on dairy farms
  Styles, D., Gibbons, J., Williams, A. P., Stichnothe, H., Chadwick, D. R. & Healey, J. R., 10 Aug 2015, In : Global Change Biology Bioenergy. 7, 5, p. 1034–1049
  Research output: Contribution to journal › Article
• PublishedNitrous oxide emissions from fertilised UK arable soils: Fluxes, emission factors and mitigation
  Bell, M. J., Hinton, N., Cloy, J. M., Topp, C. F., Rees, R. M., Cardenas, L., Scott, T., Webster, C., Ashton, R. W., Whitmore, A. P., Williams, J. R., Balshaw, H., Paine, F., Goulding, K. W. & Chadwick, D. R., 17 Jul 2015, In : Agriculture, Ecosystems and Environment. 212, p. 134-147
  Research output: Contribution to journal › Article
• PublishedDissolved Phosphorus Retention in Buffer Strips: Influence of Slope and Soil Type
  Darch, T., Carswell, A., Blackwell, M. S., Hawkins, J. M., Haygarth, P. M. & Chadwick, D. R., 10 Jul 2015, In : Journal of Environmental Quality. 44, 4, p. 1216-1224
  Research output: Contribution to journal › Article
• PublishedSustainable intensification of China's agriculture: the key role of nutrient management and climate change mitigation and adaptation
  Lu, Y. L., Chadwick, D. R., Norse, D., Powlsond, D. & Shi, W. M., 17 Jun 2015, In : Agriculture, Ecosystems and Environment. 209, p. 1-4
  Research output: Contribution to journal › Article
• PublishedIntegrating soil testing phosphorus into environmentally based manure management in pen-urban regions: A case study in the Beijing area
  Jia, W., Yan, Z. J., Chadwick, D. R., Kang, L. Y., Duan, Z. Q., Bai, Z. H. & Chen, Q., 2 May 2015, In : Agriculture, Ecosystems and Environment. 209, p. 47-59
  Research output: Contribution to journal › Article
• PublishedImproving manure nutrient management towards sustainable agricultural intensification in China
  Chadwick, D. R., Jia, W., Tong, Y., Yu, G. H., Shen, Q. R. & Chen, Q., 1 Apr 2015, In : Agriculture, Ecosystems and Environment. 209, p. 34-46
  Research output: Contribution to journal › Article
• PublishedConsequential life cycle assessment of biogas, biofuel and biomass energy options within an arable crop rotation
  Styles, D., Gibbons, J., Williams, A. P., Dauber, J., Stichnothe, H., Urban, B., Chadwick, D. R. & Jones, D. L., 26 Feb 2015, In : GCB Bioenergy. 7, 6, p. 1305-1320
  Research output: Contribution to journal › Article
• PublishedCan macrophyte harvesting from eutrophic water close the loop on nutrient loss from agricultural land?
  Quilliam, R. S., van Niekerk, M. A., Chadwick, D. R., Cross, P., Hanley, N., Jones, D. L., Vinten, A. J., Willby, N. & Oliver, D. M., 7 Feb 2015, In : Journal of Environmental Management. 152, p. 210-217
  Research output: Contribution to journal › Article
• PublishedGlobal Research Alliance Modelling Platform (GRAMP): An open web platform for modelling greenhouse gas emissions from agro-ecosystems
  Yeluripati, J. B., del Prado, A., Sanz-Cobena, A., Rees, R. M., Li, C. S., Chadwick, D. R., Tilston, E., Topp, C. F., Cardenas, L. M., Ingraham, P., Gilhespy, S., Anthony, S., Vetter, S. H., Misselbrook, T., Salas, W. & Smith, P., 15 Jan 2015, In : Computers and Electronics in Agriculture. 111, p. 112-120
  Research output: Contribution to journal › Article

2014

• PublishedNitrous oxide emissions from cattle excreta applied to a Scottish grassland: Effects of soil and climatic conditions and a nitrification inhibitor
  Bell, M. J., Rees, R. M., Cloy, J. M., Topp, C. F., Bagnall, A. & Chadwick, D. R., 10 Dec 2014, In : Science of the Total Environment. 508, p. 343-353
  Research output: Contribution to journal › Article
• PublishedFirst 20 years of DNDC (DeNitrification DeComposition): Model evolution
  Gilhepsy, S. L., Anthony, S., Cardenas, L., Chadwick, D. R., del Prado, A., Changsheng Li, N. V., Misselbrook, T., Rees, R. M., Salas, W., Sanz-Cobena, A., Smith, P., Tilston, E. L., Topp, C. F., Vetter, S. & Yeluripati, J. B., 24 Nov 2014, In : Ecological Modelling. 292, p. 51-62
  Research output: Contribution to journal › Article
• PublishedThe challenge of modelling nitrogen management at the field scale: simulation and sensitivity analysis of N2O fluxes across nine experimental sites using DailyDayCente
  Fitton, N., Datta, A., Hastings, A., Kuhnert, M., Topp, C. F., Cloy, J. M., Rees, R. M., Cardenas, L. M., Williams, J. R., Smith, K., Chadwick, D. R. & Smith, P., 8 Sep 2014, In : Environmental Research Letters. 9, 9
  Research output: Contribution to journal › Article
• PublishedA Meta-Analysis of Organic and Inorganic Phosphorus in Organic Fertilizers, Soils, and Water: Implications for Water Quality
  Darch, T., Blackwell, M. S., Hawkins, J. M., Haygarth, P. M. & Chadwick, D. R., 8 Aug 2014, In : Critical Reviews in Environmental Science and Technology. 44, 19, p. 2172-2202
  Research output: Contribution to journal › Article
• PublishedThe impact of using alternative forages on the nutrient value within slurry and its implications for forage productivity in agricultural systems
  Crotty, F. V., Fychan, R., Theobald, V. J., Sanderson, R., Chadwick, D. R. & Marley, C. L., 15 May 2014, In : PLoS ONE. 9, 5
  Research output: Contribution to journal › Article
• PublishedEffect of cattle urine addition on the surface emissions and subsurface concentrations of greenhouse gases in a UK peat grassland
  Boon, A., Robinson, J. S., Chadwick, D. R. & Cardenas, L. M., 15 Mar 2014, In : Agriculture, Ecosystems and Environment. 186, p. 23-32
  Research output: Contribution to journal › Article
• PublishedOptimizing chamber methods for measuring nitrous oxide emissions from plot-based agricultural experiments
  Chadwick, D. R., Cardenas, L., Misselbrook, T. H., Smith, K. A., Rees, R. M., Watson, C. J., McGeough, K. L., Williams, J. R., Cloy, J. M., Thorman, R. E. & Dhanoa, M. S., 9 Jan 2014, In : European Journal of Soil Science. 65, 2, p. 295-307
  Research output: Contribution to journal › Article

2013

• PublishedNew technologies reduce greenhouse gas emissions from nitrogenous fertilizer in China
  Zhang, W. F., Dou, Z. X., He, P., Ju, X. T., Powlson, D., Chadwick, D. R., Norse, D., Lu, Y. L., Zhang, Y., Wu, L., Chen, X. P., Cassman, K. G. & Zhang, F. S., 21 May 2013, In : PNAS. 110, 21, p. 8375-8380
  Research output: Contribution to journal › Article

2011

• PublishedThe relationship between lay and technical views of Escherichia coli O157 risk.
  Strachan, N. J., Hunter, C. J., Jones, C. D., Wilson, R. S., Ethelberg, S., Cross, P., Williams, A. P., MacRitchie, L., Rotariu, O. & Chadwick, D., 12 Jul 2011, In : Philosophical Transactions of the Royal Society B. 366, 1573, p. 1999-2009
  Research output: Contribution to journal › Article

2010

• PublishedTracing the rate and extent of N and C flow from 13C,15N-glycine and glutamate into individual de novo synthesised soil amino acids
  Knowles, T. D., Chadwick, D. R., Bol, R. & Evershed, R. P., 1 Dec 2010, In : Organic Geochemistry. 41, 12, p. 1259-1268
  Research output: Contribution to journal › Article
• PublishedNitrous oxide emissions from small-scale farmland features of UK livestock farming systems
  Matthews, R. A., Chadwick, D. R., Retter, A. L., Blackwell, M. S. & Yamulki, S., 15 Mar 2010, In : Agriculture, Ecosystems and Environment. 136, 3-4, p. 192-198
  Research output: Contribution to journal › Article
• PublishedQuantifying annual N2O emission fluxes from grazed grassland under a range of inorganic fertiliser nitrogen inputs
  Cardenas, L. M., Thorman, R., Ashlee, N., Butler, M., Chadwick, D. R., Chambers, B., Cuttle, S., Donovan, N., Kingston, H., Lane, S., Dhanoa, M. S. & Schofield, D., 1 Mar 2010, In : Agriculture, Ecosystems and Environment. 136, 3-4, p. 218-226
  Research output: Contribution to journal › Article

2008

• PublishedReducing Escherichia coli O157 risk in rural communities
  Gordon, H., Roberts, J., Wossink, A., Jones, C., Hunter, C., Chadwick, D., Ogden, I., Jones, D., Rotariu, O., Strachan, N., Erdem, S., Rigby, D., Farrington, J., Teunis, P., Kosmider, R., Williams, P., Cross, P. & Killham, K., 1 Jan 2008, In : SAC-SEPA Proceedings: Agriculture in a Changing Environment.
  Research output: Contribution to journal › Article

2004

• PublishedDissolved organic nitrogen concentration in two grassland soils.
  Jones, D. L., Farrar, J. F., Willett, V. B., Hatch, D. J. (ed.), Chadwick, D. R., Jarvis, S. C. & Roker, J. A. (ed.), 1 Jan 2004, Controlling Nitrogen Flows and Losses. 2004 ed. Wageningen Academic Publishers, p. 441-443
  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• PublishedDissolved organic nitrogen concentration in two grassland soils.
  Jones, D. L., Farrar, J. F., Willett, V. B., Hatch, D. J. (ed.), Chadwick, D. R., Jarvis, S. C. & Roker, J. A. (ed.), 1 Jan 2004, Controlling nitrogen flows and losses. 2004 ed. Wageningen Academic Publishers, p. 441-443
  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• PublishedMatching supply with demand.
  Murphy, D. V., Stockdale, E. A., Hoyle, F. C., Smith, J. U., Fillery, I. R., Milton, N., Cookson, W. R., Brussaard, L., Jones, D. L., Hatch, D. J. (ed.), Chadwick, D. R., Jarvis, S. C. & Roker, J. A. (ed.), 1 Jan 2004, Controlling nitrogen flows and losses. 2004 ed. Wageningen Academic Publishers, p. 101-112
  Research output: Chapter in Book/Report/Conference proceeding › Chapter
• PublishedMissing N: is the solution in dissolved N?
  Macdonald, A. J., Jones, D. L., Hatch, D. J. (ed.), Chadwick, D. R., Jarvis, S. C. (ed.) & Roker, J. A. (ed.), 1 Jan 2004, Controlling nitrogen flows and losses. 2004 ed. Wageningen Academic Publishers, p. 600-605
  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• Discovery of new nitrification inhibitors - Phase II

  01/01/2019 – 31/07/2020 (Active)

• Target-N2O:Targeting N2O emission hot-spots in dairy pastures for mitigation action: microbes, stable isotope methods and modelling

  01/11/2018 – 30/11/2021 (Active)

• Dis-aggregated ovine emission factors associated with dung and urine deposition in upland and lowland production systems

  21/09/2018 – 31/10/2022 (Active)

• Investigating the feasibility of slurry acidification in the United Kingdom through field trials

  01/07/2018 – 31/07/2021 (Active)

• Climate smart agriculture in Wales - subcontract to Welsh Lamb and Beef Producers

  01/08/2017 – 30/11/2018 (Finished)

• Sustainable futures for Costa Rica dairy sector: optimising environmental and economic outcomes

  01/05/2017 – 28/02/2020 (Active)

  Description

  Climate change, trade policies and environmental regulations will have a profound effect on rural livelihoods in Costa Rica. The SusCoRiDa project team will work with the appropriate stakeholders to evaluate, and ultimately recommend, dairy development pathways in Costa Rica, based on three main pillars: improving livelihoods and rural incomes; reducing greenhouse gas emissions and nutrient losses; adapting and building resilience to climate change. The aim is to improve competitiveness in the Costa Rican dairy sector, whilst safeguarding and enhancing the rural environment by promoting a shift towards a low carbon and climate-resilient economy.

  The SusCoRiDa project is funded via BBSRC from the Global Challenges Research Fund (GCRF)

  Links:

  • http://suscorida.bangor.ac.uk

• Climate smart agriculture in Wales - RDP GHG adaptation and mitigation

  01/01/2017 – 28/08/2019 (Finished)

• KESS II PhD project with Welsh Government BUK214

  01/10/2016 – 30/09/2019 (Active)

• BBSRC-China joint funding of research

  01/01/2016 – 31/01/2020 (Active)

• Collation of N2O emission data from DEFRA-funded projects

  01/09/2015 – 28/02/2017 (Finished)

• Key drivers of N2O emissions from livestock urine in the uplands (Uplands-N2O)

  01/09/2015 – 15/08/2019 (Finished)

  Description

  The overarching aims of the project are to gain an improved understanding of the spatial and temporal interactions between sheep grazing behaviour, forage selection, urine composition and edaphic factors to increase the accuracy of direct N2O emission estimates from extensive upland systems. This will be undertaken using a range of approaches including equipping sheep with GPS and accelerometer tags, analysing urine and vegetation composition, spatially mapping soil and landscape properties which may influence N2O emissions, laboratory and field trials to quantify direct N2O emissions from sheep urine, and data integration and modelling of upland N2O emissions at the pasture scale.

  The research is mostly being undertaken at Henfaes Research Centre, where a semi-improved area of enclosed hill land situated approximately 300 m above sea level is the area of study for the first grazing season. The second grazing season will take place within the Snowdonia National Park on an unimproved area situated approximately 850 m above sea level. To find out more about the approaches being undertaken follow the ‘Our Research’ link.

  Links:

  • http://uplands-n2o.bangor.ac.uk

• Revision of the grassland section of RB209

  01/09/2015 – 08/08/2016 (Finished)

• Sensors for improving sustainable land use in Wales

  01/09/2015 – 01/08/2017 (Finished)

• Sustainable Intensification Platform 1 (SIP 1)

  01/11/2014 – 10/10/2017 (Finished)

• SIP2

  01/08/2014 – 07/05/2018 (Finished)

• Grow How field trial 2014

  01/05/2014 – 15/11/2015 (Finished)

• UK soil flood responses

  01/03/2014 – 25/08/2016 (Finished)

• Forage maize response to sulphur ¿ GrowHow UK trial

  01/05/2013 – 22/04/2014 (Finished)

• InveN2Ory

  01/10/2012 – 30/06/2015 (Finished)

• Validation of Fertiliser Manual (RB209) Recommendations for Grasslands

  01/10/2012 – 30/06/2015 (Finished)

Current projects include:

I am PI of:

• BBSRC Global Challenge Research Fund project: Sustainable futures for the Costa Rica dairy sector: optimising environmental and economic outcomes – SusCoRiDa http://suscorida.bangor.ac.uk/index.php.en
• NERC project: Grazing behaviour, urine composition and soil properties are key drivers of nitrous oxide emissions from livestock urine in the uplands (Uplands-N₂O). (With Rothamsted Research - North Wyke, and Leicester, Swansea and Texas A&M Universities). http://uplands-n2o.bangor.ac.uk/

I am Co-I of:

• Defra Funded project: Investigating the Feasibility of Slurry Acidification in the United Kingdom through Field Trials
• BBSRC SARIC project: Breaking the Barriers to Soil Testing on Pastures (Breaking-STEP)
• NERC Soil Security project: Securing long-term ecosystem function in lowland organic soils (SEFLOS)
• BBSRC SARIC project: Real-time in situ sensing of soil nitrogen status to promote enhanced nitrogen use efficiency in agricultural systems
• BBSRC (Newton Funded) UK-China Virtual Joint Centre on Agricultural Nitrogen (CINAg)
• RDP Welsh Government project: Climate Smart Agriculture in Wales (CSA Wales)

Recent completed projects include:

• PI - of Defra / Devolved Administrations funded >£6.5M project: Improving the Agricultural Greenhouse Gas Emissions Inventory – Nitrous Oxide (InveN₂Ory). www.ghgplatform.org.uk
• Work Package Leader, Diffuse Water Pollution and Climate Change Mitigation, of the Welsh Government funded project: Glastir Monitoring and Evaluation Programme. (Led by CEH Bangor). https://gmep.wales/
• Bangor University lead of Defra Sustainable Intensification Platform Project 1 – Farm-scale interventions at Henfaes Research Centre (Led by NIAB). http://www.siplatform.org.uk/
•  Bangor University lead of Defra Sustainable Intensification Platform Project 2 – Collaborative interventions in the Conwy Catchment (led by Exeter University). http://www.siplatform.org.uk/

Current PhD students include:

• Ma Yan (Funded by Bangor-China Scholarship Council Scheme, Bangor University, with Prof Davey Jones, Dr Laura Cardenas and Dr Tony Hooper). The use of biological nitrification inhibitors to affect N cycling and losses from agricultural soils.

• Danielle Hunt (Funded by NERC STARS Industrial Programme, with Prof Davey Jones, Dr. Laura Cardenas and Prof Roland Bol). On the pee! A mechanistic understanding of nitrogen and carbon cycling in the urine patch. Welsh Government as CASE partner.

• John Langley (Funded by Defra project; Effects of slurry and digestate acidification on soil quality and function, with Prof. Davey Jones, Bangor Univ, and Prof Tom Misselbrook, (Rothamsted Research)

Recent PhD students include:

• Karina Marsden (Bangor University funded, Bangor University, with Prof. Davey Jones, 2016 completion).  Spatial distribution of nitrogen transformations (and losses) in the urine patch environment.

• Saufi Bastami (Funded by Malaysian Government, Bangor University, with Prof. Davey Jones, 2016 completion). Reducing methane emissions from slurry stores by modifying the microbial environment.

• Guillermo Guardia Vazquez (Universidad Politecnica de Madrid, with Prof Antonio Vallejo. 2017 completion). Strategies to Mitigate Greenhouse Gas and Nitric Oxide Emissions in Rainfed and Irrigated Agro-Ecosystems.

• Yuhong Li (Funded by Bangor-China Scholarship Council Scheme, Bangor University, with Prof Davey Jones. 2017 completion). The fate of nitrogen and phosphorus in separated slurry and digestate.

Dave Chadwick is Professor of Sustainable Land Use Systems in the School of Natural Sciences. His interests are in optimising nutrient management and reducing diffuse pollution in different agricultural systems, both in the UK and overseas. He joined Bangor University in 2012, after working at the North Wyke Research Institute in Devon for 18 years.