J.N. Ladd

University of Washington — United States

Agricultural and Biological Sciences · Life Sciences

48h-index9.9kcitations104works0.02yr avg
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Research Topics

Soil Carbon and Nitrogen Dynamics(45), Soil and Water Nutrient Dynamics(17), Soil and Unsaturated Flow(12), Isotope Analysis in Ecology(10), Clay minerals and soil interactions(7)

Publications104 total

Detection of botulinum neurotoxins in buffer and honey using a surface plasmon resonance (SPR) sensor
Sensors and Actuators B Chemical·2007· 37 cited
Quantitative detection of tetrodotoxin (TTX) by a surface plasmon resonance (SPR) sensor
Sensors and Actuators B Chemical·2007· 62 cited
SOCRATES—A simple model for predicting long-term changes in soil organic carbon in terrestrial ecosystems
Soil Biology and Biochemistry·2005· 86 cited
Erratum to “Components and microbial biomass content of size fractions in soils of contrasting aggregation” [Geoderma 50 (1991) 37–62]
Geoderma·2005· 6 cited
Influences of Aporrectodea trapezoides and A. rosea (Lumbricidae) on the uptake of nitrogen and yield of oats (Avena fatua) and lupins (Lupinus angustifolius)The 7th international symposium on earthworm ecology · Cardiff · Wales · 2002
Pedobiologia·2003· 8 cited
Measurement of biomass C, N and 14C of a soil at different water contents using a fumigation-extraction assay
Soil Biology and Biochemistry·1998· 10 cited
Sites of microbial assimilation, and turnover of soluble and particulate 14C-labelled substrates decomposing in a clay soil
Soil Biology and Biochemistry·1998· 105 cited
Soil nitrogen availability in the cereal zone of South Australia .2. Buffer-extractable nitrogen, mineralisable nitrogen, and mineral nitrogen in soil profile under different land uses
Australian Journal of Soil Research·1996· 7 cited
Soil nitrogen availability in the cereal zone of South Australia .1. Soil organic carbon, total nitrogen, and nitrogen mineralisation rates
Australian Journal of Soil Research·1996· 14 cited
Microbial assimilation of 14C of ground and unground plant materials decomposing in a loamy sand and a clay soil
Soil Biology and Biochemistry·1996· 54 cited
Distribution of organic 14C and 15N in particle-size fractions of soils incubated with 14C, 15N-labelled glucose/NH4, and legume and wheat straw residues
Soil Biology and Biochemistry·1996· 61 cited
Soil structure and biological activity.
Florence Research (University of Florence)·1996· 214 cited
Decomposition of 14C-labelled plant material in a salt-affected soil
Soil Biology and Biochemistry·1996· 132 cited
The removal of soluble organic carbon from synthetic winery wastewater by repeated application to soil
Australian Journal of Grape and Wine Research·1995· 5 citedOpen Access
Simulation of 14C turnover through the microbial biomass in soils incubated with 14C-labelled plant residues
Soil Biology and Biochemistry·1995· 102 cited
Removal of soluble organic carbon from winery and distillery wastewaters by application to soil
Australian Journal of Grape and Wine Research·1995· 19 citedOpen Access
Management options to increase C storage in cultivated dryland soils
1995
Application of the ninhydrin-reactive N assay for microbial biomass in acid soils
Soil Biology and Biochemistry·1994· 45 cited
Differential effects of rotation, plant residue and nitrogen fertilizer on microbial biomass and organic matter in an Australian alfisol
Soil Biology and Biochemistry·1994· 145 cited
Removal of dissolved organic carbon in winery and distillery wastewater by application to soil
Dialnet (Universidad de la Rioja)·1994· 2 cited
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Frequent Co-authors

M. Amato(23), J.H.A. Butler(8), JM Oades(6), Johannes A. van Veen(5), H.A. Barker(5), Robert D. Smyth(3), Herbert Weissbach(3), B. E. Volcani(3), M. Van Gestel(3), John I. Toohey(2), M. J. Frissel(2), L. Jocteur Monrozier(2), Ralph C. Foster(2), J. W. Parsons(2), E. A. Paul(2), Peter Grace(2), Harry P. C. Hogenkamp(2), D. S. Jenkinson(1), RC Foster(1), P. Nannipieri(1)