Selected publications

• 2018

  • Journal Articles

    • Can N fertilizer use efficiency be estimated using¹⁵ N natural abundance?.  Soil Biology and Biochemistry.  126. 2018
    • The relative isotopic abundance (delta C-13, delta N-15) during composting of agricultural wastes in relation to compost quality and feedstock 2018
    • The residual value of fertiliser N in crop sequences: An appraisal of 60 years of research using N-15 tracer.  Field Crops Research.  217. 2018
    • The role of N-15-depleted fertilizers as tracers in N cycling studies in agroecosystems.  Nutrient Cycling in Agroecosystems.  112. 2018

  • Journal Articles Refereed

    • An overview of the role and significance of N-15 methodologies in quantifying biological N-2 fixation (BNF) and BNF dynamics in agro-ecosystems 2018

• 2017

  • Journal Articles Refereed

    • N-15 methodologies for estimating the transfer of N from legumes to non-legumes in crop sequences.  Nutrient Cycling in Agroecosystems.  107. 2017
    • N-15(2) as a tracer of biological N-2 fixation: A 75-year retrospective.  Soil Biology and Biochemistry.  106. 2017
    • Principles and limitations of stable isotopes in differentiating organic and conventional foodstuffs: 2. Animal products.  Critical Reviews in Food Science and Nutrition.  57. 2017
    • Tracing S dynamics in agro-ecosystems using S-34.  Soil Biology and Biochemistry.  114. 2017

• 2016

  • Journal Articles Refereed

    • Do techniques based on N-15 enrichment and N-15 natural abundance give consistent estimates of the symbiotic dependence of N-2-fixing plants?.  Plant and Soil.  399. 2016
    • From production to consumption: tracing C, N, and S dynamics in Brazilian agroecosystems using stable isotopes 2016
    • N-15 methodologies for quantifying the response of N-2-fixing associations to elevated CO2: A review.  Science of the Total Environment.  571. 2016
    • Primary Succession of Nitrogen Cycling Microbial Communities Along the Deglaciated Forelands of Tianshan Mountain, China.  Frontiers in Microbiology.  7. 2016
    • The strategic role of N-15 in quantifying the contribution of endophytic N-2 fixation to the N nutrition of non-legumes 2016

• 2015

  • Journal Articles

    • Fate and efficiency of N-15-labelled slow- and controlled-release fertilizers.  Nutrient Cycling in Agroecosystems.  102. 2015

  • Journal Articles Refereed

    • C-13 isotopic fractionation during biodegradation of agricultural wastes 2015
    • Can differences in N-15 natural abundance be used to quantify the transfer of nitrogen from legumes to neighbouring non-legume plant species?.  Soil Biology and Biochemistry.  87. 2015
    • Identifying N fertilizer regime and vegetable production system in tropical Brazil using N-15 natural abundance.  Journal of the Science of Food and Agriculture.  95. 2015
    • Principles and Limitations of Stable Isotopes in Differentiating Organic and Conventional Foodstuffs: 1. Plant Products.  Critical Reviews in Food Science and Nutrition.  55. 2015

  • Other Refereed Contribution to Refereed Journals

    • On the usage of absolute (x) and relative (delta) values of N-15 abundance.  Soil Biology and Biochemistry.  85. 2015

• 2014

  • Journal Articles Refereed

    • Methodologies for estimating nitrogen transfer between legumes and companion species in agro-ecosystems: A review of 15N-enriched techniques.  Soil Biology and Biochemistry.  73. 2014

• 2013

  • Journal Articles Refereed

    • Towards an understanding of the dynamics of compost N in the soil-plant-atmosphere system using N-15 tracer.  Plant and Soil.  362. 2013

• 2010

  • Journal Articles

    • Integrated effects of abiotic stresses on inoculant performance, legume growth and symbiotic dependence estimated by N-15 dilution.  Plant and Soil.  328. 2010

• 2009

  • Journal Articles Refereed

    • N2 fixation by faba bean (Vicia faba L.) in a gypsum-amended sodic soil.  Biology and Fertility of Soils.  45. 2009

• 2008

  • Journal Articles Refereed

    • Evaluation of a Polyolefin coated urea (Meister) as a fertilizer for irrigated cotton.  Nutrient Cycling in Agroecosystems.  81. 2008

• 2006

  • Journal Articles

    • The role of arbuscular mycorrhiza in legume symbiotic performance.  Soil Biology and Biochemistry.  38. 2006

• 2002

  • Journal Articles

    • Efficacy of three N-15 labelling techniques for estimating below-ground N in Sesbania rostrata.  Biology and Fertility of Soils.  35. 2002
    • Quantifying below-ground nitrogen of legumes. 2. A comparison of N-15 and non isotopic methods.  Plant and Soil.  239. 2002

• 2001

  • Journal Articles

    • Nitrogen fixation characteristics of Rhizobium surviving in soils 'equilibrated' with sewage biosolids.  Australian Journal of Agricultural Research.  52. 2001

• 2000

  • Journal Articles

    • Integrated effects of mineral nutrition on legume performance.  Soil Biology and Biochemistry.  32. 2000
    • Mineralization of soil and legume nitrogen in soils treated with metal-contaminated sewage sludge.  Soil Biology and Biochemistry.  32. 2000

• 1999

  • Journal Articles

    • Estimation of legume symbiotic dependence: an evaluation techniques based on N-15 dilution.  Soil Biology and Biochemistry.  31. 1999

• 1998

  • Journal Articles

    • Dynamics of biologically fixed N in legume-cereal rotations: a review.  Australian Journal of Agricultural Research.  49. 1998
    • Nitrogen transformations in a flooded soil in the presence and absence of rice plants: 1. Nitrification.  Nutrient Cycling in Agroecosystems.  51. 1998
    • Nitrogen transformations in a flooded soil in the presence and absence of rice plants: 2. Denitrification.  Nutrient Cycling in Agroecosystems.  51. 1998

• 1997

  • Journal Articles

    • Effect of soil treatment with cereal straw and method of crop establishment on field pea (Pisum sativum L) N-2 fixation.  Biology and Fertility of Soils.  24. 1997
    • Estimating nitrogen transfer by foliar N-15-labelling in legume - Non-legume associations.  Biology and Fertility of Soils.  24. 1997
    • Symbiotic effectiveness of Rhizobium trifolii and mineralisation of legume nitrogen in response to past amendment of a soil with sewage sludge.  Journal of Sustainable Agriculture.  11. 1997

• 1996

  • Journal Articles

    • A yield-independent, N-15-isotope dilution method to estimate legume symbiotic dependence without a non-N-2-fixing reference plant.  Biology and Fertility of Soils.  23. 1996
    • Estimation of N-2 fixation by N-15 isotope dilution - The A-value approach.  Soil Biology and Biochemistry.  28. 1996
    • Mineralization of soil organic nitrogen solubilized by aqua ammonia fertilizer.  Biology and Fertility of Soils.  23. 1996
    • Stimulation of root growth and soil nitrogen uptake by foliar application of urea to wheat and sunflower.  Journal of Agricultural Science.  126. 1996

• 1995

  • Journal Articles

    • BIOLOGICAL INTERACTIONS BETWEEN SOIL-NITROGEN AND ALKALINE-HYDROLYZING NITROGEN FERTILIZERS.  Biology and Fertility of Soils.  20. 1995
    • Distribution of reduced products of N-15-labelled nitrate in anaerobic soils.  Soil Biology and Biochemistry.  27. 1995
    • ESTIMATION OF NITRIFICATION RATES IN FLOODED SOILS.  Microbial Ecology.  30. 1995
    • POTENTIAL FOR INCREASING N-2 FIXATION OF FIELD PEA THROUGH SOIL-MANAGEMENT AND GENOTYPE 1995

• 1994

  • Journal Articles

    • ESTIMATING GROSS NITROGEN MINERALIZATION AND IMMOBILIZATION RATES IN ANAEROBIC AND AEROBIC SOIL SUSPENSIONS.  Soil Science Society of America Journal.  58. 1994
    • N-15 ISOTOPE-DILUTION METHODOLOGY FOR EVALUATING THE DYNAMICS OF BIOLOGICALLY FIXED N IN LEGUME-NON-LEGUME ASSOCIATIONS.  Biology and Fertility of Soils.  17. 1994
    • REDUCING DENITRIFICATION LOSS WITH NITRIFICATION INHIBITORS FOLLOWING PRESOWING APPLICATIONS OF UREA TO A COTTONFIELD.  Australian Journal of Experimental Agriculture.  34. 1994
    • SOLUBILIZATION OF SOIL ORGANIC-N BY ALKALINE-HYDROLYZING N-FERTILIZERS.  Fertilizer Research.  38. 1994

• 1993

  • Journal Articles

    • CHARACTERIZATION OF THE N-BENEFIT OF A GRAIN LEGUME (LUPINUS-ANGUSTIFOLIUS L) TO A CEREAL (HORDEUM-VULGARE L) BY AN INSITU N-15 ISOTOPE-DILUTION TECHNIQUE.  Biology and Fertility of Soils.  15. 1993
    • CHEMICAL INTERACTIONS BETWEEN SOIL-N AND ALKALINE-HYDROLYZING N-FERTILIZERS.  Fertilizer Research.  36. 1993
    • FIELD ESTIMATION OF N-2 FIXATION BY ACACIA SPP USING N-15 ISOTOPE-DILUTION AND LABELING WITH S-35.  Forest Ecology and Management.  56. 1993
    • NITROGEN-FIXATION IN A WHITE CLOVER-GRASS PASTURE IRRIGATED WITH SALINE GROUNDWATER.  Irrigation Science.  13. 1993
    • SOURCES OF N-UPTAKE BY WHEAT (TRITICUM-AESTIVUM L) AND N-TRANSFORMATIONS IN SOIL TREATED WITH A NITRIFICATION INHIBITOR (NITRAPYRIN).  Plant and Soil.  149. 1993
    • SOWING DATE AND VARIETAL EFFECTS ON THE N2 FIXATION OF FIELD PEA AND IMPLICATIONS FOR IMPROVEMENT OF SOIL-NITROGEN.  Australian Journal of Agricultural Research.  44. 1993
    • USE OF NITRIFICATION INHIBITORS TO INCREASE FERTILIZER NITROGEN RECOVERY AND LINT YIELD IN IRRIGATED COTTON.  Fertilizer Research.  34. 1993

• 1992

  • Journal Articles

    • A MODEL BASED ON MEASUREMENT OF SOIL AND PLANT N-15 ENRICHMENT TO ESTIMATE N2 FIXATION BY SOYBEAN (GLYCINE-MAX L MERRILL) GROWN IN POTS.  Soil Biology and Biochemistry.  24. 1992
    • ESTIMATING N2 FIXATION BY FIELD-GROWN LUPINS (LUPINUS-ANGUSTIFOLIUS L) USING SOIL AND PLANT N-15 ENRICHMENT.  Biology and Fertility of Soils.  13. 1992
    • EVALUATION OF REFERENCE PLANTS BY LABELING WITH S-35 IN THE ESTIMATION OF N-2 FIXATION BY N-15 ISOTOPE-DILUTION.  Plant and Soil.  145. 1992
    • MINERALIZATION AND IMMOBILIZATION OF SOIL AND FERTILIZER NITROGEN WITH NITRIFICATION INHIBITORS AND SOLVENTS.  Soil Biology and Biochemistry.  24. 1992
    • NITROGEN-FERTILIZATION OF DRY-SEEDED RICE IN SOUTH-EAST AUSTRALIA.  Fertilizer Research.  31. 1992

• 1991

  • Journal Articles

    • EFFECT OF N-FERTILIZER RATE ON THE ESTIMATION OF N2 FIXATION BY ISOTOPE-DILUTION.  Soil Biology and Biochemistry.  23. 1991
    • EXTERNAL-SOURCE CONTAMINATION DURING EXTRACTION DISTILLATION IN ISOTOPE-RATIO ANALYSIS OF SOIL INORGANIC NITROGEN.  Analytica Chimica Acta.  245. 1991
    • THE CONTRIBUTION OF ASSOCIATIVE AND SYMBIOTIC NITROGEN-FIXATION TO THE NITROGEN NUTRITION OF NON-LEGUMES.  Plant and Soil.  132. 1991
    • THE MEASUREMENT OF FERTILIZER-S UPTAKE BY PLANTS USING RADIOACTIVE AND STABLE ISOTOPES.  Applied Radiation and Isotopes.  42. 1991

• 1990

  • Journal Articles

    • EFFECT OF A NITRIFICATION INHIBITOR ON IMMOBILIZATION AND MINERALIZATION OF SOIL AND FERTILIZER NITROGEN.  Soil Biology and Biochemistry.  22. 1990
    • RELEASE OF DINITROGEN FROM NITRITE AND SULFAMIC ACID FOR ISOTOPE RATIO ANALYSIS OF SOIL EXTRACTS CONTAINING N-15 LABELED NITRITE AND NITRATE.  Analyst.  115. 1990

• 1989

  • Journal Articles

    • A MICROPROCESSOR-CONTROLLED DEVICE FOR ISOTOPE-RATIO MEASUREMENTS BY MASS-SPECTROMETRY.  Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment.  275. 1989
    • INTERACTION OF METHYL NITRITE WITH THE INORGANIC AND ORGANIC FRACTIONS OF SOILS 1989
    • THE GROWTH AND NITROGEN ECONOMY OF RICE UNDER SPRINKLER AND FLOOD IRRIGATION IN SOUTH EAST AUSTRALIA .3. N-15 BALANCE.  Irrigation Science.  10. 1989

• 1988

  • Journal Articles

    • FATE OF UREA NITROGEN APPLIED IN SOLUTION IN FURROWS TO SUNFLOWERS GROWING ON A RED-BROWN EARTH - TRANSFORMATIONS, LOSSES AND PLANT UPTAKE.  Australian Journal of Agricultural Research.  39. 1988

• 1987

  • Journal Articles

    • EFFECTS OF TIME OF UREA APPLICATION ON COMBINE-SOWN CALROSE RICE IN SOUTHEAST AUSTRALIA .2. MINERAL NITROGEN TRANSFORMATIONS IN THE SOIL-WATER SYSTEM.  Australian Journal of Agricultural Research.  38. 1987
    • EFFECTS OF TIME OF UREA APPLICATION ON COMBINE-SOWN CALROSE RICE IN SOUTHEAST AUSTRALIA .3. FERTILIZER NITROGEN RECOVERY, EFFICIENCY OF FERTILIZATION AND SOIL-NITROGEN SUPPLY.  Australian Journal of Agricultural Research.  38. 1987
    • EMISSION OF NITROGEN-OXIDES (NOX) FROM A FLOODED SOIL FERTILIZED WITH UREA - RELATION TO OTHER NITROGEN LOSS PROCESSES 1987
    • FACTORS AFFECTING FORMATION OF METHYL NITRITE IN SOILS 1987
    • NITROGEN TRANSFORMATIONS DURING HYDROLYSIS AND NITRIFICATION OF UREA .1. EFFECT OF SOIL PROPERTIES AND FERTILIZER PLACEMENT.  Fertilizer Research.  11. 1987
    • NITROGEN TRANSFORMATIONS DURING HYDROLYSIS AND NITRIFICATION OF UREA .2. EFFECT OF FERTILIZER CONCENTRATION AND NITRIFICATION INHIBITORS.  Fertilizer Research.  11. 1987

• 1986

  • Journal Articles

    • DECOMPOSITION OF METHYL NITRITE IN SOLUTIONS AND SOILS.  Soil Science Society of America Journal.  50. 1986
    • DETERMINATION OF METHOXY GROUPS IN SOILS BY THE ZEISEL METHOD COMBINED WITH GAS-LIQUID-CHROMATOGRAPHY.  Analyst.  111. 1986
    • DETERMINATION OF THE PURITY OF METHYL NITRITE.  Analytica Chimica Acta.  182. 1986
    • SYNTHESIS AND ISOTOPE-RATIO ANALYSIS OF METHYL NITRITE-N-15.  Journal of Labelled Compounds & Radiopharmaceuticals.  23. 1986

• 1985

  • Journal Articles

    • ESTIMATION OF N-2 FIXATION BY ISOTOPE-DILUTION - AN APPRAISAL OF TECHNIQUES INVOLVING N-15 ENRICHMENT AND THEIR APPLICATION.  Soil Biology and Biochemistry.  17. 1985
    • FORMATION OF METHYL NITRITE IN SOIL TREATED WITH NITROUS-ACID.  Soil Science Society of America Journal.  49. 1985

• 1984

  • Journal Articles

    • APPLICATION OF PIGGERY WASTE TO SOILS IN POTS - EFFECT ON DRY-MATTER YIELD AND UPTAKE OF NITROGEN, POTASSIUM, CALCIUM AND MAGNESIUM BY RYEGRASS AND WHITE CLOVER.  Australian Journal of Experimental Agriculture.  24. 1984
    • EFFECT OF NITRAPYRIN ON NITROUS-OXIDE EMISSION FROM FALLOW SOILS FERTILIZED WITH ANHYDROUS AMMONIA.  Fertilizer Research.  5. 1984
    • EFFECTS OF SOIL-SALINITY AND MINERAL NITROGEN ON THE ACETYLENE-REDUCTION ACTIVITY OF TRIFOLIUM-SUBTERRANEUM L.  Australian Journal of Agricultural Research.  35. 1984
    • NITROGEN-FIXATION BY NODULATED SOYBEAN UNDER TROPICAL FIELD CONDITIONS ESTIMATED BY THE N-15 ISOTOPE-DILUTION TECHNIQUE.  Soil Biology and Biochemistry.  16. 1984

• 1983

  • Journal Articles

    • NITROGEN-FIXATION ASSOCIATED WITH ACACIA-DEALBATA LINK SEEDLINGS AS ESTIMATED BY THE ACETYLENE-REDUCTION ASSAY.  Australian Journal of Botany.  31. 1983
    • SYMBIOTIC N-2 FIXATION BY LEGUMES GROWING IN POTS .1. FIXATION OF N-15-LABELLED N-2 AND C2H2 REDUCTION BY TRIFOLIUM-SUBTERRANEUM L.  Plant and Soil.  74. 1983
    • SYMBIOTIC N-2 FIXATION BY LEGUMES GROWING IN POTS .2. UPTAKE OF N-15-LABELLED NO3-, C2H2 REDUCTION AND H-2 EVOLUTION BY TRIFOLIUM-SUBTERRANEUM L, MEDICAGO-TRUNCATULA GAERTN AND ACACIA-DEALBATA LINK.  Plant and Soil.  74. 1983
    • THE N-15-ISOTOPE DILUTION TECHNIQUE APPLIED TO THE ESTIMATION OF BIOLOGICAL NITROGEN-FIXATION ASSOCIATED WITH PASPALUM-NOTATUM CV BATATAIS IN THE FIELD.  Soil Biology and Biochemistry.  15. 1983

• 1982

  • Journal Articles

    • ESTIMATION OF NITROGEN-FIXATION BY TRIFOLIUM-SUBTERRANEUM L AND MEDICAGO-TRUNCATULA GAERTN GROWN IN POTS USING A NON-DESTRUCTIVE ACETYLENE-REDUCTION ASSAY.  Soil Biology and Biochemistry.  14. 1982

• 1980

  • Journal Articles

    • COMPARISON OF THE EFFICIENCY OF UREA, AQUEOUS AMMONIA AND AMMONIUM-SULFATE AS NITROGEN FERTILIZERS.  Plant and Soil.  55. 1980

• 1979

  • Journal Articles

    • DETERMINATION OF NITROGENOUS GASES EVOLVED FROM SOILS IN CLOSED SYSTEMS.  Analyst.  104. 1979
    • FACTORS AFFECTING THE DETERMINATION OF NITRIC-OXIDE AND NITROGEN-DIOXIDE EVOLUTION FROM SOIL.  Soil Science.  128. 1979
    • MINERALIZATION OF NITRITE FIXED BY SOIL ORGANIC-MATTER.  Soil Biology and Biochemistry.  11. 1979
    • NITROGEN GAS PREPARATIVE SYSTEM FOR ISOTOPE-RATIO ANALYSIS BY MASS-SPECTROMETRY.  Analytica Chimica Acta.  104. 1979