Staff Profile

Professor of Biogeochemistry

Leo Condron

BSc(Hons) (Glas) PhD (Cant)

Leo Condron

Contact Details

Faculty of Agriculture and Life Sciences

Location B222
Phone +64 3 423 0777
Extension 30777
Email Leo.Condron@lincoln.ac.nz
 

Currently Teaching

  • Soil Biology and Biochemistry
  • Biogeochemistry
  • Soil Fertility
  • Chemistry

 

 

Academic and Professional Background

 
 

Current Research and Publications / Selected Publications

Biogeochemistry of organic carbon and major nutrients in natural and managed ecosystems, with an emphasis on the nature, dynamics and bioavailability of organic and mineral forms of nutrients in the soil-plant system in relation to soil management and land use. Project areas include organic matter and nutrient dynamics in grassland and forest soils, soil chronosequence dynamics, rhizosphere processes, relationships between soil microbial diversity and function, and the nature, mobility and fate of phosphorus in terrestrial environments


Bertram, J.E., Orwin, K.H., Clough, T.J., Condron, L.M., Sherlock, R.R. and O’Callaghan, M. 2012. Effects of soil moisture and bovine urine on microbial stress. Pedobiologia 55:211-218.
 
Black, A., McLaren, R.G., Reichman, S.M., Speir, T.W. and Condron, L.M.  2012. Examining the integrity of soil metal bioavailability assays in the presence of organic amendments to metal spiked soils.  Soil Use and Management 28: 89-100.
 
Black, A., McLaren, R.G., Reichman, S.M., Speir, T.W., Condron, L.M. and Houliston, G.  2012. Metal bioavailability dynamics during a two year field trial using ryegrass (Lolium perenne) grown in soils treated with biosolids and metal salts. Soil Research 50: 304-311.
 
Condron, L.M., Black, A. and Wakelin, S.A. 2012. Effects of long-term fertilizer inputs on the quantities of organic carbon in a soil profile under irrigated grazed pasture. New Zealand Journal of Agricultural Research 55: 161-164.
 
Das B.T., Hamonts, K., Moltchanova, E., Clough, T.J., Condron, L.M., Wakelin, S.A. and O’Callaghan, M. 2012. Influence of photo-synthetically active radiation on diurnal nitrous oxide emissions under ruminant urine patches. New Zealand Journal of Agricultural Research 55: 319-331.
 
Dodd, R.J., McDowell, R.W. and Condron, L.M. 2012. Predicting the changes in environmentally and agronomically significant phosphorus forms following the cessation of phosphorus fertilizer applications to grassland. Soil Use and Management 28: 135-147.
 
Eger, A., Almond, P.C. and Condron, L.M. 2012. Upbuilding pedogenesis under active loess deposition in a super-humid, temperate climate – quantification of deposition rates, soil chemistry and pedogenic thresholds. Geoderma 189-190: 491-501.
 
Kelliher, F.M., Condron, L.M., Cook, F.J. and Black, A. 2012. Sixty years of seasonal irrigation affects carbon storage in soils beneath pasture grazed by sheep. Agriculture, Ecosystems and Environment 148: 29-36.
 
Lucci. G.M., McDowell, R.W. and Condron, L.M. 2012. Phosphorus sources areas in a dairy catchment in Otago, New Zealand. Soil Research 50: 145-156.
 
Minchin, R.F., Ridgway, H.J., Condron, L.M. and Jones, E.E. 2012. Influence of inoculation with a Trichoderma bio-inoculant on ectomycorrhizal colonization of Pinus radiata seedlings. Annals of Applied Biology 161: 57-67.
 
Mander, C., Wakelin, S.A., Young, S., Condron, L.M. and O’Callaghan, M. 2012. Incidence and diversity of phosphate-solubilising bacteria are linked to phosphorus status in grassland soils. Soil Biology and Biochemistry 44: 93-101.
 
McDowell, R.W. and Condron, L.M. 2012. Phosphorus and the Winchmore trials: review and lessons learnt. New Zealand Journal of Agricultural Research 55: 119-132.
 
Shi, S., O’Callaghan, M., Jones, E.E., Richardson, A.E., Walter, C., Stewart, A. and Condron, L.M., 2012. Investigation of organic anions in tree root exudates and rhizosphere microbial communities using in-situ and destructive sampling techniques. Plant and Soil 359: 149-163.
 
Simpson, M.E., McLenaghen, R.D., Chirino-Valle, I. and Condron, L.M. 2012. Effects of long-term pasture management on the nature and bioavailability of soil phosphorus. Biology and Fertility of Soils 48: 607-611.
 
Stutter, M.I., Shand, C.A., George, T.S., Blackwell, M.S.A., Bol, R., MacKay, R.L., Richardson, A.E., Condron, L.M., Turner, B.L. and Haygarth, P.M. 2012. Recovering phosphorus from soil – a root solution? Environmental Science and Technology 46: 1977-1978.
 
Taghizadehtoosi, A., Clough, T.J., Sherlock, R.R. and Condron, L.M. 2012. Biochar absorbed ammonia is bioavailable. Plant and Soil 350: 57-69.
 
Taghizadehtoosi, A., Clough, T.J., Sherlock, R.R. and Condron, L.M. 2012. A wood-based low temperature biochar captures NH3-N generated from ruminant urine-N retaining its bioavailability. Plant and Soil 353: 73-84.
 
Turner, B.L., Condron, L.M., Wells, A. and Andersen, K.M. 2012. Soil nutrient dynamics during podzol development under lowland temperate rain forest. Catena 97: 50-62.
 
Turner, B.L., Condron, L.M., Wells, A. and Andersen, K.M. 2012. Changes in tree community composition along a coastal dune chronosequence under lowland temperate rain forest in New Zealand. Plant Ecology 213: 1525-1541.
 
Wakelin, S.A., Mander, C., Gerard, E., Jansa, J., Erb, A., Young, S., Condron, L.M. and O’Callaghan, M. 2012. Response of soil microbial communities to a long-term phosphorus gradient. Applied Soil Ecology 61: 40-48.
 
Anderson, C.R., Hamonts, K.A., Clough, T.J., Sherlock, R.R, Stewart, A. and Condron, L.M. 20123 Microbial community change under bovine urine patches in soils amended with biochar: effect on nitrogen dynamics. Agriculture, Ecosystems and Environment (in press).
 
Black, A., McLaren, R.G., Speir, T.W., Clucas, L. and Condron, L.M. 2013. Gradient differences in soil metal solubility and uptake by shoots and roots of wheat (T. aestivium). Biology and Fertility of Soils (in press).
 
Chen, C.R., Phillips, I.R., Condron, L.M., Goloran, J., Xu, Z.H. and Chan, K.Y. 2013. Impacts of green waste biochar on volatilisation of ammonia in bauxite processing residue sand. Plant and Soil 367: 301-312.
 
Clough, T.J., Condron, L.M., Kammann, C. and Müeller, C.  2013. A review of biochar and soil nitrogen dynamics.  Agronomy 3: 275-293.
 
Condron, L.M., Spears, B.M., Haygarth, P.M., Turner, B.L. and Richardson, A.E. 2013. Role of legacy phosphorus in improving global phosphorus-use efficiency. Environmental Development (in press).
 
Dodd, R.J., McDowell, R.W. and Condron, L.M. 2013. Changes in soil phosphorus availability and potential phosphorus loss following cessation of phosphorus fertilizer application. Soil Research 51: 427-436.
 
Dodd, R.J., McDowell, R.W. and Condron, L.M. 2013. Is tillage an effective method to decrease phosphorus and nitrogen loss from phosphorus enriched soils? Soil and Tillage Research (in press).
 
Dodd, R.J., McDowell, R.W. and Condron, L.M. 2013. Manipulation of fertiliser regimes in phosphorus enriched soils can reduce phosphorus loss to leachate through an increase in pasture and microbial biomass production.  Agriculture, Ecosystems and Environment (in press).
 
Eger, A., Almond, P.C. and Condron, L.M. 2013. Phosphorus fertilisation by active dust deposition in a super-humid, temperate environment - soil phosphorus fractionation and accession processes. Global Biogeochemical Cycles 27: 108-118.
 
Eger, A., Almond, P.C., Wells, A. and Condron, L.M. 2013. Quantifying ecosystem regeneration: foliar nutrient concentrations and vegetation communities across a dust gradient and a chronosequence. Plant and Soil 367: 93-109.
 
Farrell, M., Macdonald, L.M., Butler, G., Chirino-Valle, I. and Condron, L.M. 2013. Biochar and phosphorus applications influence phosphorus fractionation and wheat yield. Biology and Fertility of Soils (in press).
 
Goloran, J., Chen, C.R., Phillips, I.R., Xu, Z.H. and Condron, L.M. 2013. Selecting a nitrogen availability index for understanding plant nutrient dynamics in rehabilitated bauxite-processing residue sand. Ecological Engineering 58: 228-237.
 
Goloran, J., Chen, C.R., Phillips, I.R., Xu, Z.H. and Condron, L.M. 2013. Plant phosphorus availability index in rehabilitated bauxite-processing residue sand. Plant and Soil (in press).
 
Greenfield, L.G., Gregorich, E.G., van Kessel, C., Baldock, J.A., Beare, M.H., Billings, S.A., Clinton, P.W., Condron, L.M., Hill, S., Hopkins, D.W. and Janzen, H.H. 2013. Carbon changes during acid hydrolysis of soil organic matter undermine its use to define a resistant pool. Soil Biology and Biochemistry 64: 122-126.
 
Hamonts, K., Clough, T.J., Stewart, A., Clinton, P.W., Richardson, A.E., O’Callaghan, M. and Condron, L.M. 2013. Effects of nitrogen and water-logging on denitrifier gene abundance, community structure and activity in the rhizosphere of wheat. FEMS Microbiology Ecology 83: 568-584.
 
Hamonts, K., Balaine, N., Moltchanova, E., Beare, M.H., Thomas, S., Wakelin, S.A, O’Callaghan, M, Condron, L.M. and Clough, T.J. 2013. Influence of soil bulk density and matric potential on microbial dynamics, inorganic N transformations, N2O and N2 fluxes following urea deposition. Soil Biology and Biochemistry 65: 1-11.
 
Harrison-Kirk, T., Beare, M.H., Meenken, E.D. and Condron, L.M. 2013. Soil organic matter and texture affect responses to dry/wet cycles: effects on carbon dioxide and nitrous oxide emissions. Soil Biology and Biochemistry 57: 43-55.
 
Haygarth, P.M., Bardgett, R.D. and Condron, L.M. 2013. Phosphorus and nitrogen cycles and their management. In: Russell’s Soil Conditions and Plant Growth - 12th Edition.  Eds. P.J. Gregory and S. Nortcliff. Wiley-Blackwell pp. 132-159.
 
Jangid, K., Whitman, W.B., Condron, L.M., Turner, B.L. and Williams, M.A. 2013. Bacterial community composition during pedogenesis along a coastal dune system under lowland temperate rainforest in New Zealand. Plant and Soil 367: 235-247.
 
Jangid, K., Whitman, W.B., Condron, L.M., Turner, B.L. and Williams, M.A. 2013. Soil bacterial community succession during long-term ecosystem development.  Molecular Ecology 22: 3415-3124.
 
Kelliher, F.M., Curtin, D. and Condron, L.M. 2013 Soil carbon storage in three particle size fractions under seasonally-irrigated, grazed pasture. New Zealand Journal of Agricultural Research 56: 239-244.
 
Shi, S.J., Richardson, A.E., O’Callaghan, M., Firestone, M. and Condron, L.M. 2013. Challenges associated with assessing links between root exudates and the structure and function of the soil microbial community. In: Molecular Microbial Ecology of the Rhizosphere (Volume 1). Ed. F.J. de Bruijn. Wiley-Blackwell. pp. 125-135.
 
Turner, B.L. and Condron, L.M. 2013. Pedogenesis, nutrient dynamics and ecosystem development: the legacy of TW Walker and JK Syers. Plant and Soil 367: 1-10.
 
Turner, B.L., Lambers, H., Condron, L.M., Cramer, M.D., Leake, J.R., Richardson, A.E. and Smith, S.E. 2013. Soil microbial biomass and the fate of phosphorus during ecosystem development. Plant and Soil 367: 225-234.
 
Turner, S., Schippers, A., Meyer-Stüveb, S., Dohrmann, R., Condron, L.M., Eger, A., Almond, P.C., Peltzer, D.P., Richardson, S.P., Guggenberger, G. and Mikutta, R. 2013. Mineralogical impact on enzyme activities in soils along the Franz Josef 1 chronosequence, New Zealand. Soil Biology and Biochemistry (in press).
 
Wakelin, S.A., Mander, C., Gerard, E., Jansa, J., Erb, A., Young, S., Condron, L.M. and O’Callaghan, M. 2013. Soil functional resistance and stability are linked to different ecosystem properties. Austral Ecology (in press).
 
Wells, N.S., Clough, T.J., Condron, L.M., Baisden, W.T., Harding, J.S., Dong, Y., Lewis, G.D and Lear, G. 2013. Biogeochemistry and community ecology in a spring-fed urban river following a major earthquake. Environmental Pollution 182: 190-200.
 
 

Page last updated on: 06/03/2012