World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
41
Citations
8227
World Ranking
7615
National Ranking
288

Overview

J.N. Ladd is affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. The scientist's professional focus is primarily within this institution, supporting research efforts in a variety of scientific domains.

There are no recent papers, co-authors, or publication venues listed for J.N. Ladd, which limits the ability to detail specific research outputs or collaborations. Similarly, there is no information provided regarding book publications or awards associated with this scientist.

The source data does not indicate any particular main or subfields of study, nor are there any main topics of work specified. This absence of detailed subject area data means it is not possible to outline the thematic scope of their research or areas of specialization.

J.N. Ladd is currently active, as there is no indication that the scientist is deceased.

Best Publications

  • Short-term assays of soil proteolytic enzyme activities using proteins and dipeptide derivatives as substrates

    J.N. Ladd;J.H.A. Butler

  • Turnover of carbon and nitrogen through the microbial biomass in a sandy loam and a clay soil incubated with [14C(U)]glucose and [15N](NH4)2So4 under different moisture regimes

    J.A. Van Veen;J.N. Ladd;M. Amato

  • Isolation and properties of crystalline cobamide coenzymes containing benzimidazole or 5, 6-dimethylbenzimidazole.

    H.A. Barker;R.D. Smyth;H. Weissbach;J.I. Toohey

  • Modelling C and N turnover through the microbial biomass in soil

    J. A. Van Veen;J. N. Ladd;M. J. Frissel

  • Decomposition of 14C-labelled glucose and legume material in soils: Properties influencing the accumulation of organic residue C and microbial biomass C

    M. Amato;J.N. Ladd

  • Microbial biomass formed from 14C, 15N-labelled plant material decomposing in soils in the field

    J.N. Ladd;J.M. Oades;M. Amato

  • Decomposition of plant material in Australian soils. III. Residual organic and microbial biomass C and N from isotope-labelled legume material and soil organic matter, decomposing under field conditions

    JN Ladd;M Amato;JM Oades

  • CARBON AND NITROGEN MINERALIZATION FROM TWO SOILS OF CONTRASTING TEXTURE AND MICROAGGREGATE STABILITY : INFLUENCE OF SEQUENTIAL FUMIGATION, DRYING AND STORAGE

    M. Van Gestel;J.N. Ladd;M. Amato

  • Effect of substrate location in soil and soil pore-water regime on carbon turnover

    K. Killham;M. Amato;J.N. Ladd

  • Assay, Purification, and Properties of the Adenylcobamide Coenzyme

    H.A. Barker;R.D. Smyth;H. Weissbach;Agnete Munch-Petersen

  • Distribution and recovery of nitrogen from legume residues decomposing in soils sown to wheat in the field

    J.N. Ladd;J.M. Oades;M. Amato

  • Microbial biomass responses to seasonal change and imposed drying regimes at increasing depths of undisturbed topsoil profiles

    M. Van Gestel;J.N. Ladd;M. Amato

  • Utilization by wheat crops of nitrogen from legume residues decomposing in soils in the field.

    J.N. Ladd;M. Amato;R.B. Jackson;J.H.A. Butler

  • Differential effects of rotation, plant residue and nitrogen fertilizer on microbial biomass and organic matter in an Australian alfisol

    J.N. Ladd;M. Amato;Li-Kai Zhou;J.E. Schultz

  • Studies of nitrogen immobilization and mineralization in calcareous soils—II: Mineralization of immobilized nitrogen from soil fractions of different particle size and density

    J.N. Ladd;J.W. Parsons;M. Amato

  • Decomposition of 14C-labelled plant material in a salt-affected soil

    P.N. Nelson;P.N. Nelson;J.N. Ladd;J.N. Ladd;J.M. Oades;J.M. Oades

  • Changes in enzymic activity and distribution of acid-soluble, amino acid-nitrogen in soil during nitrogen immobilization and mineralization

    J.N. Ladd;E.A. Paul

  • Studies of nitrogen immobilization and mineralization in calcareous soils—V. Formation and distribution of isotope-labelled biomass during decomposition of 14C- and 15N-labelled plant material

    M. Amato;J.N. Ladd

  • Simulation of 14C turnover through the microbial biomass in soils incubated with 14C-labelled plant residues

    J.N. Ladd;M. Amato;P.R. Grace;J.A. van Veen

  • Sites of microbial assimilation, and turnover of soluble and particulate 14C-labelled substrates decomposing in a clay soil

    J.L. Chotte;J.N. Ladd;M. Amato

  • Carbon turnover and nitrogen transformations in an alfisol and vertisol amended with [U-14C] glucose and [15N] ammonium sulfate

    J.N. Ladd;L. Jocteur-Monrozier;M. Amato

  • SOCRATES—A simple model for predicting long-term changes in soil organic carbon in terrestrial ecosystems

    Peter Grace;Peter Grace;Jeffrey Ladd;G Robertson;Stuart Gage

Frequent Co-Authors

Peter Grace
Peter Grace Queensland University of Technology
J.M. Oades
J.M. Oades University of Adelaide
J.A. Van Veen
J.A. Van Veen Leiden University
Robert B. Jackson
Robert B. Jackson Stanford University
Stuart H. Gage
Stuart H. Gage Michigan State University
Paul N. Nelson
Paul N. Nelson James Cook University
Peter Sørensen
Peter Sørensen Aarhus University
Rob Fitzpatrick
Rob Fitzpatrick University of Adelaide
G. P. Robertson
G. P. Robertson Michigan State University
G. Philip Robertson
G. Philip Robertson Michigan State University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in studying Environmental Sciences, exploring related online degrees can open diverse career pathways. Advanced education options such as education doctoral programs without dissertation offer a flexible route for professionals seeking leadership roles in environmental education and policy.

Many students consider progressing from master's to doctoral levels through streamlined programs, like those highlighted in eds to edd program pathways. These programs emphasize practical application and research in various fields, including sustainability and environmental management.

For those passionate about social impact within environmental justice, affordable online options such as dsw programs online can provide advanced credentials. These degrees prepare graduates to address environmental issues through community advocacy and social services.

Similarly, foundational studies can be obtained through accessible programs like an online general studies bachelor degree cheap, which offers a broad interdisciplinary curriculum beneficial for multifaceted environmental science careers.

Best Scientists Citing J.N. Ladd

Trending Scientists