Dr Fien Degryse

Jozefien Degryse
Senior Research Fellow
School of Agriculture, Food and Wine
Faculty of Sciences

Fien Degryse joined the Fertiliser Technology Research Centre (FTRC) at the University Adelaide in 2010. The FTRC focuses on the understanding of fundamental processes controlling fertiliser efficiency, using a combination of chemical, spectroscopic and radio-isotopic techniques, as well as pot and field trials. Her other research interests include speciation, mobility and bioavailability of metals in terrestrial and aquatic systems.

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Dr Fien Degryse

Fien Degryse joined the Fertiliser Technology Research Centre (FTRC) at the University Adelaide in 2010. The FTRC focuses on the understanding of fundamental processes controlling fertiliser efficiency, using a combination of chemical, spectroscopic and radio-isotopic techniques, as well as pot and field trials. Her other research interests include speciation, mobility and bioavailability of metals in terrestrial and aquatic systems.

Research interests:

  • Crop nutrition and fertiliser use
  • Distribution and transport of heavy metals in soils
  • Speciation of metals in soil, soil solution and water
  • Bioavailability of heavy metals to plants, algae, Caco2-cells
  • Speciation and availability of phosphorus in soils
  • Sorption and fixation of radiocaesium in soils and clay minerals



Date Position Institution name
2010 Senior Research Fellow University of Adelaide
2003 - 2010 Postdoctoral Researcher University of Leuven


Date Institution name Country Title
1999 - 2003 University of Leuven Belgium PhD (Environmental Sciences)
1994 - 1999 University of Leuven Belgium BSc + MSc Bioengineering


Date Citation
2017 Zhao,C, Gupta,VVSR, Degryse,F, McLaughlin,MJ, 2017, Abundance and diversity of sulphur-oxidising bacteria and their role in oxidising elemental sulphur in cropping soils, Biology and Fertility of Soils, 53, 2, 159-169 10.1007/s00374-016-1162-0
2017 Zhao,C, Gupta,V, Degryse,F, McLaughlin,M, 2017, Effects of pH and ionic strength on elemental sulphur oxidation in soil, Biology and Fertility of Soils, 53, 2, 247-256 10.1007/s00374-016-1170-0
2017 Degryse,F, Baird,R, da Silva,RC, McLaughlin,MJ, 2017, Dissolution rate and agronomic effectiveness of struvite fertilizers - effect of soil pH, granulation and base excess, Plant and Soil, 410, 1, 139-152 10.1007/s11104-016-2990-2
2017 Mattiello,E, Da Silva,R, Degryse,F, Baird,R, Gupta,V, McLaughlin,M, 2017, Sulfur and zinc availability from co-granulated Zn-Enriched rlemental sulfur fertilizers, Journal of Agricultural and Food Chemistry, 65, 6, 1108-1115 10.1021/acs.jafc.6b04586
2016 Zhao,C, Degryse,F, Gupta,V, McLaughlin,M, 2016, Low effective surface area explains slow oxidation of co-granulated elemental sulfur, Soil Science Society of America Journal, 80, 4, 911-918 10.2136/sssaj2015.09.0337
2016 Degryse,F, Da Silva,R, Baird,R, McLaughlin,M, 2016, Effect of cogranulation on oxidation of elemental sulfur: Theoretical model and experimental validation, Soil Science Society of America Journal, 80, 5, 1244-1253 10.2136/sssaj2016.02.0054
2016 Montalvo,D, Degryse,F, da Silva,R, Baird,R, McLaughlin,M, 2016, Agronomic Effectiveness of Zinc Sources as Micronutrient Fertilizer, ADVANCES IN AGRONOMY, VOL 139, 139, 215-267 10.1016/bs.agron.2016.05.004
2016 Degryse,F, Ajiboye,B, Baird,R, Da Silva,R, McLaughlin,M, 2016, Oxidation of elemental sulfur in granular fertilizers depends on the soil-exposed surface area, Soil Science Society of America Journal, 80, 2, 294-305 10.2136/sssaj2015.06.0237
2016 Degryse,F, Ajiboye,B, Baird,R, da Silva,R, McLaughlin,M, 2016, Availability of fertiliser sulphate and elemental sulphur to canola in two consecutive crops, Plant and Soil, 398, 1-2, 313-325 10.1007/s11104-015-2667-2
2015 Montalvo,D, Degryse,F, McLaughlin,MJ, 2015, Agronomic effectiveness of granular and fluid phosphorus fertilizers in andisols and oxisols, Soil Science Society of America Journal, 79, 2, 577-584 10.2136/sssaj2014.04.0178
2015 McLaughlin,M, Abat,M, Degryse,F, Baird,R, McLaughlin,M, 2015, Slow-release boron fertilizers: co-granulation of boron sources with mono-ammonium phosphate (MAP)., Soil Research, 53, 5, 505-511 10.1071/SR14128
2015 Montalvo,D, Degryse,F, McLaughlin,M, 2015, Natural colloidal P and its contribution to plant P uptake, Environmental Science and Technology, 49, 6, 3427-3434 10.1021/es504643f
2015 Montalvo,D, Degryse,F, McLaughlin,M, 2015, Correction to Natural Colloidal P and Its Contribution to Plant P Uptake, Environmental Science and Technology, 49, 13, 8267- 10.1021/acs.est.5b02574
2015 Montalvo,D, McLaughlin,M, Degryse,F, 2015, Efficacy of hydroxyapatite nanoparticles as phosphorus fertilizer in andisols and oxisols, Soil Science Society of America Journal, 79, 2, 551-558 10.2136/sssaj2014.09.0373
2015 Abat,M, Degryse,F, Baird,R, McLaughlin,MJ, 2015, Boron phosphates (BPO₄) as a seedling-safe boron fertilizer source, Plant and Soil, 391, 1, 153-160 10.1007/s11104-015-2424-6
2015 Abat,M, Degryse,F, Baird,R, McLaughlin,MJ, 2015, Responses of Canola to the Application of Slow-Release Boron Fertilizers and Their Residual Effect, Soil Science Society of America Journal, 79, 1, 97-103 10.2136/sssaj2014.07.0280
2015 Degryse,F, Baird,R, McLaughlin,MJ, 2015, Diffusion and solubility control of fertilizer-applied zinc: chemical assessment and visualization, Plant and Soil, 386, 1, 195-204 10.1007/s11104-014-2266-7
2015 Zhao,C, Degryse,F, Gupta,V, McLaughlin,MJ, 2015, Elemental sulfur oxidation in Australian cropping soils, Soil Science Society of America Journal, 79, 1, 89-96 10.2136/sssaj2014.08.0314
2014 Montalvo,D, Degryse,F, McLaughlin,MJ, 2014, Fluid fertilizers improve phosphorus diffusion but not lability in andisols and oxisols, Soil Science Society of America Journal, 78, 1, 214-224 10.2136/sssaj2013.02.0075
2014 Abat,M, Degryse,F, Baird,R, Mclaughlin,MJ, 2014, Formulation, synthesis and characterization of boron phosphate (BPO₄) compounds as raw materials to develop slow-release boron fertilizers, Journal of Plant Nutrition and Soil Science, 177, 6, 860-868 10.1002/jpln.201400234
2014 Degryse,F, McLaughlin,MJ, 2014, Phosphorus diffusion from fertilizer: visualization, chemical measurements, and modeling, Soil Science Society of America Journal, 78, 3, 832-842 10.2136/sssaj2013.07.0293
2014 Ryan,B, Kirby,J, Degryse,F, Scheiderich,K, McLaughlin,M, 2014, Copper isotope fractionation during equilibration with natural and synthetic ligands, Environmental Science and Technology, 48, 15, 8620-8626 10.1021/es500764x
2013 McBeath,T, McLaughlin,M, Kirby,J, Degryse,J, 2013, A stable-isotope methodology for measurement of soil-applied zinc-fertilizer recovery in durum wheat (Triticum durum), Journal of Plant Nutrition and Soil Science-Zzeitschrift fur Pflanzenernahrung und Bodenkunde, 176, 5, 756-763 10.1002/jpln.201200305
2013 Ryan,B, Kirby,J, Degryse,F, Harris,H, McLaughlin,M, Scheiderich,K, 2013, Copper speciation and isotopic fractionation in plants: uptake and translocation mechanisms, New Phytologist, 199, 2, 367-378 10.1111/nph.12276
2013 Degryse,J, Ajiboye,A, Armstrong,R, McLaughlin,M, 2013, Sequestration of phosphorus-binding cations by complexing compounds is not a viable mechanism to increase phosphorus efficiency, Soil Science Society of America Journal, 77, 6, 2050-2059 10.2136/sssaj2013.05.0165
2013 Smolders,E, Versieren,L, Shuofei,D, Mattielli,N, Weiss,D, Petrov,I, Degryse,F, 2013, Isotopic fractionation of Zn in tomato plants suggests the role of root exudates on Zn uptake, Plant and Soil, 370, 1-2, 605-613 10.1007/s11104-013-1655-7
2012 Degryse,J, Smolders,E, 2012, Cadmium and nickel uptake by tomato and spinach seedlings: Plant or transport control?, Environmental Chemistry, 9, 1, 48-54 10.1071/EN11060
2012 Hernandez-Soriano,MC, Degryse,F, Lombi,E, Smolders,E, 2012, Manganese toxicity in barley is controlled by solution manganese and soil manganese speciation, Soil Science Society of America Journal, 76, 2, 399-407 10.2136/sssaj2011.0193
2012 Six,L, Pypers,P, Degryse,J, Smolders,E, Merckx,R, 2012, The performance of DGT versus conventional soil phosphorus tests in tropical soils: an isotope dilution study, Plant and Soil, 359, 1-2, 267-279 10.1007/s11104-012-1192-9
2012 Santner,J, Smolders,E, Wenzel,W, Degryse,J, 2012, First observation of diffusion-limited plant root phosphorus uptake from nutrient solution, Plant Cell and Environment, 35, 9, 1558-1566 10.1111/j.1365-3040.2012.02509.x
2012 Degryse,F, Shahbazi,A, Verheyen,L, Smolders,E, 2012, Diffusion limitations in root uptake of cadmium and zinc, but not nickel, and resulting bias in the Michaelis constant, Plant Physiology, 160, 2, 1097-1109 10.1104/pp.112.202200
2012 Verheyen,L, Degryse,J, Niewold,T, Smolders,E, 2012, Labile complexes facilitate cadmium uptake by Caco-2 cells, Science of the Total Environment, 426, 90-99 10.1016/j.scitotenv.2012.03.044
2011 Hernández-Soriano,MDC, Degryse,F, Smolders,E, 2011, Mechanisms of enhanced mobilisation of trace metals by anionic surfactants in soil, Environmental Pollution, 159, 3, 809-816 10.1016/j.envpol.2010.11.009
2011 Baken,S, Degryse,F, Verheyen,L, Merckx,R, Smolders,E, 2011, Metal complexation properties of freshwater dissolved organic matter are explained by its aromaticity and by anthropogenic ligands, Environmental Science & Technology, 45, 7, 2584-2590 10.1021/es103532a
2011 Degryse,F, Voegelin,A, Jacquat,O, Kretzschmar,R, Smolders,E, 2011, Characterization of zinc in contaminated soils: complementary insights from isotopic exchange, batch extractions and XAFS spectroscopy, European Journal of Soil Science, 62, 2, 318-330 10.1111/j.1365-2389.2010.01332.x
2011 Van Moorleghem,C, Six,L, Degryse,F, Smolders,E, Merckx,R, 2011, Effect of organic P forms and P present in inorganic colloids on the determination of dissolved P in environmental samples by the diffusive gradient in thin films technique, ion chromatography, and colorimetry, Analytical Chemistry, 83, 13, 5317-5323 10.1021/ac200748e
2010 Amery,F, Degryse,J, Van Moorleghem,C, Duyck,M, Smolders,E, 2010, The dissociation kinetics of Cu-dissolved organic matter complexes from soil and soil amendments, Analytica Chimica Acta, 670, 1-2, 24-32 10.1016/j.aca.2010.04.047
2010 Van Laer,L, Degryse,J, Leynen,K, Smolders,E, 2010, Mobilization of Zn upon waterlogging riparian Spodosols is related to reductive dissolution of Fe minerals, European Journal of Soil Science, 61, 6, 1014-1024 10.1111/j.1365-2389.2010.01308.x
2010 Van Damme,A, Degryse,J, Smolders,E, Sarret,G, Dewit,J, Swennen,R, Manceau,A, 2010, Zinc speciation in mining and smelter contaminated overbank sediments by EXAFS spectroscopy, Geochimica et Cosmochimica Acta, 74, 13, 3707-3720 10.1016/j.gca.2010.03.032
2009 Oporto,C, Smolders,E, Degryse,J, Verheyen,L, Vandecasteele,C, 2009, DGT-measured fluxes explain the chloride-enhanced cadmium uptake by plants at low but not at high Cd supply, Plant and Soil, 318, 1-2, 127-135 10.1007/s11104-008-9823-x
2009 Degryse,J, Smolders,E, Parker,D, 2009, Partitioning of metals (Cd, Co, Cu, Ni, Pb, Zn) in soils: concepts, methodologies, prediction and applications - a review, European Journal of Soil Science, 60, 4, 590-612 10.1111/j.1365-2389.2009.01142.x
2009 Degryse,J, Smolders,E, Zhang,H, Davison,W, 2009, Predicting availability of mineral elements to plants with the DGT technique: a review of experimental data and interpretation by modelling, Environmental Chemistry, 6, 3, 198-218 10.1071/EN09010
2008 Degryse,J, Verma,V, Smolders,E, 2008, Mobilization of Cu and Zn by root exudates of dicotyledonous plants in resin-buffered solutions and in soil, Plant and Soil, 306, 1-2, 69-84 10.1007/s11104-007-9449-4
2008 Oorts,K, Smolders,E, Degryse,J, Buekers,J, Gasco,G, Cornelis,G, Mertens,J, 2008, Solubility and toxicity of antimony trioxide (Sb₂O₃) in soil, Environmental Science & Technology, 42, 12, 4378-4383 10.1021/es703061t
2008 Buekers,J, Degryse,J, Maes,A, Smolders,E, 2008, Modelling the effects of ageing on Cd, Zn, Ni and Cu solubility in soils using an assemblage model, European Journal of Soil Science, 59, 6, 1160-1170 10.1111/j.1365-2389.2008.01053.x
2008 Amery,F, Degryse,J, Cheyns,K, De Troyer,I, Mertens,J, Merckx,R, Smolders,E, 2008, The UV-absorbance of dissolved organic matter predicts the fivefold variation in its affinity for mobilizing Cu in an agricultural soil horizon, European Journal of Soil Science, 59, 6, 1087-1095 10.1111/j.1365-2389.2008.01078.x
2007 Lofts,S, Chapman,P, Dwyer,R, McLaughlin,M, Schoeters,I, Sheppard,S, Adams,W, Alloway,B, Antunes,P, Campbell,P et al, 2007, Critical loads of metals and other trace elements to terrestrial environments, Environmental Science & Technology, 41, 18, 6326-6331 10.1021/es0726106
2007 Mertens,J, Degryse,J, Springael,D, Smolders,E, 2007, Zinc toxicity to nitrification in soil and soilless culture can be predicted with the same biotic ligand model, Environmental Science & Technology, 41, 8, 2992-2997 10.1021/es061995
2007 Amery,F, Degryse,J, Degeling,W, Smolders,E, Merckx,R, 2007, The copper-mobilizing-potential of dissolved organic matter in soils varies 10-fold depending on soil incubation and extraction procedures, Environmental Science & Technology, 41, 7, 2277-2281 10.1021/es062166r
2007 Degryse,J, Vlassak,V, Smolders,E, Merckx,R, 2007, Mobilization of Cd upon acidification of agricultural soils: column study and field modelling, European Journal of Soil Science, 58, 1, 152-165 10.1111/j.1365-2389.2006.00820.x
2007 Degryse,J, Waegeneers,N, Smolders,E, 2007, Labile lead in polluted soils measured by stable isotope dilution, European Journal of Soil Science, 58, 1, 1-7 10.1111/j.1365-2389.2005.00788.x
2006 Van Laer,L, Smolders,E, Degryse,J, Janssen,C, De Schamphelaere,K, 2006, Speciation of nickel in surface waters measured with the Donnan membrane technique, Analytica Chimica Acta, 578, 2, 195-202 10.1016/j.aca.2006.06.070
2006 Degryse,J, Smolders,E, Merckx,R, 2006, Labile Cd complexes increase Cd availability to plants, Environmental Science & Technology, 40, 3, 830-836 10.1021/es050894t
2006 Degryse,J, Smolders,E, 2006, Mobility of Cd and Zn in polluted and unpolluted Spodosols, European Journal of Soil Science, 57, 2, 122-133 10.1111/j.1365-2389.2005.00721.x
2006 Degryse,J, Smolders,E, Parker,D, 2006, An agar gel technique demonstrates diffusion limitations to cadmium uptake by higher plants, Environmental Chemistry, 3, 6, 419-423 10.1071/EN06057
2006 Degryse,J, Smolders,E, Parker,D, 2006, Metal complexes increase uptake of Zn and Cu by plants: implications for uptake and deficiency studies in chelator-buffered solutions, Plant and Soil, 289, 1-2, 171-185 10.1007/s11104-006-9121-4
2006 Bertling,S, Degryse,J, Wallinder,I, Smolders,E, Leygraf,C, 2006, Model studies of corrosion-induced copper runoff fate in soil, Environmental Toxicology and Chemistry, 25, 3, 683-691 10.1897/05-026R.1
2004 Degryse,F, Buekers,J, Smolders,E, 2004, Radio-labile cadmium and zinc in soils as affected by pH and source of contamination, European Journal of Soil Science, 55, 1, 113-121 10.1046/j.1351-0754.2003.0554.x
2004 Maertens,E, Thijs,A, Smolders,E, Degryse,F, Cong,P, Merckx,R, 2004, An anion resin membrane technique to overcome detection limits of isotopically exchanged P in P-sorbing soils, European Journal of Soil Science, 55, 1, 63-69 10.1046/j.1365-2389.2004.00588.x
2004 Degryse,F, Smolders,E, Cremers,A, 2004, Enhanced sorption and fixation of radiocaesium in soils amended with K-bentonites, submitted to wetting-drying cycles, European Journal of Soil Science, 55, 3, 513-522 10.1111/j.1365-2389.2004.00619.x
2003 Degryse,F, Smolders,E, Oliver,I, Zhang,H, 2003, Relating soil solution Zn concentration to diffusive gradients in thin films measurements in contaminated soils, Environmental Science and Technology, 37, 17, 3958-3965 10.1021/es034075p
2003 Degryse,F, Broos,K, Smolders,E, Merckx,R, 2003, Soil solution concentration of Cd and Zn can be predicted with a CaCl2 soil extract, European Journal of Soil Science, 54, 1, 149-157 10.1046/j.1365-2389.2003.00503.x
2002 Smolders,E, Degryse,F, 2002, Fate and effect of zinc from tire debris in soil, Environmental Science and Technology, 36, 17, 3706-3710 10.1021/es025567p

Book Chapters

Date Citation
2016 Degryse,JL, Smolders,E, 2016, DGT and bioavailability, Cambridge University Press, United Kingdom, pp. 216-262
2011 McLaughlin,MJ, Smolders,E, Degryse,JL, Rietra,R, 2011, Uptake of metals from soil into vegetables., pp. 325-367
2006 Smolders,E, Degryse,JL, 2006, Fixation of cadmium and zinc in soils: implications for risk assessment, pp. 157-172

Conference Items

Date Citation
2014 Degryse,F, da Silva,RC, Baird,R, McLaughlin,MJ, 2014, Field measurement of sulphur uptake by crops from fertilizer sulphate or elemental sulphur, using a stable isotope technique, ASA, CSSA, SSSA Annual Meetings, Long Beach, CA, USA


Date Role Membership Country
2011 Member Soil Science Society of America United States
2011 Member Soil Science Australia Australia

Committee Memberships

Date Role Committee Institution Country
2015 Secretary Soil Science Australia (SA Branch)

Editorial Boards

Date Role Editorial Board Name Country
2006 - 2011 Associate Editor Journal of Environmental Quality
Senior Research Fellow
8313 6511
Waite - CSIRO
Prescott Building
Room Number
3 13
Org Unit
School of Agriculture, Food and Wine