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Environmental Sciences

D-Index
45
Citations
7994
World Ranking
6388
National Ranking
2300

Overview

Daniel C. Olk is affiliated with the US Department of Agriculture in the United States. Their research spans the fields of Agricultural and Biological Sciences as well as Environmental Science, with a focus on subfields such as Soil Science, Plant Science, Environmental Chemistry, Ecology, and Ecology, Evolution, Behavior and Systematics.

The main topics covered by Daniel C. Olk's work include:

  • Soil Carbon and Nitrogen Dynamics
  • Soil and Water Nutrient Dynamics
  • Soil Management and Crop Yield
  • Agriculture, Soil, Plant Science
  • Isotope Analysis in Ecology
  • Plant Growth Enhancement Techniques
  • Phosphorus and nutrient management

The following recent papers represent a selection of their research contributions:

  • A soil matrix capacity index to predict mineral-associated but not particulate organic carbon across a range of climate and soil pH, 2023, Biogeochemistry
  • Changes in Labile Fractions of Soil Organic Matter During the Conversion to Organic Farming, 2020, Journal of soil science and plant nutrition
  • Constraints on mineral-associated and particulate organic carbon response to regenerative management: carbon inputs and saturation deficit, 2024, Soil and Tillage Research
  • Formation of Char-Like, Fused-Ring Aromatic Structures from a Nonpyrogenic Pathway during Decomposition of Wheat Straw, 2020, Journal of Agricultural and Food Chemistry
  • Molecular composition and possible transformations of labile soil organic matter fractions in Mediterranean arable soils: Relevance and implications, 2023, Environmental Research

Daniel C. Olk frequently publishes in several scientific venues, including:

  • Frontiers in Plant Science
  • Soil Science Society of America Journal
  • Biogeochemistry
  • Soil and Tillage Research
  • Journal of soil science and plant nutrition

Collaborations are an important part of their research, with frequent coauthors including:

  • Dana L. Dinnes
  • Amitava Chatterjee
  • Alison E. King
  • Joseph P. Amsili
  • S. Carolina Córdova

Best Publications

  • Opportunities for increased nitrogen-use efficiency from improved resource management in irrigated rice systems

    Kenneth Cassman;S. Peng;D.C. Olk;J.K. Ladha

  • Integrating plant litter quality, soil organic matter stabilization, and the carbon saturation concept

    Michael J. Castellano;Kevin E. Mueller;Daniel C. Olk;John E. Sawyer

  • Abundant and stable char residues in soils: implications for soil fertility and carbon sequestration.

    J. D. Mao;R. L. Johnson;J. Lehmann;D. C. Olk

  • Environmental and Agricultural Relevance of Humic Fractions Extracted by Alkali from Soils and Natural Waters.

    Unknown

  • Plant litter quality affects the accumulation rate, composition, and stability of mineral-associated soil organic matter

    S. Carolina Córdova;Dan C. Olk;Ranae N. Dietzel;Kevin E. Mueller

  • Changes in chemical properties of organic matter with intensified rice cropping in tropical lowland soil

    Unknown

  • Soil organic matter and the indigenous nitrogen supply of intensive irrigated rice systems in the tropics

    K. G. Cassman;A. Dobermann;P. C. Sta Cruz;G. C. Gines

  • Maximum soil organic carbon storage in Midwest U.S. cropping systems when crops are optimally nitrogen-fertilized.

    Hanna J. Poffenbarger;Daniel W. Barker;Matthew J. Helmers;Fernando E. Miguez

  • Overview of the symposium proceedings, meaningful pools in determining soil carbon and nitrogen dynamics

    Daniel C. Olk;Edward G. Gregorich

  • Nitrogen-bonded aromatics in soil organic matter and their implications for a yield decline in intensive rice cropping

    K. Schmidt-Rohr;J.-D. Mao;D. C. Olk

  • Influence of animal manure application on the chemical structures of soil organic matter as investigated by advanced solid-state NMR and FT-IR spectroscopy

    Jingdong Mao;Dan C. Olk;Xiaowen Fang;Zhongqi He

  • Legume Decomposition and Nitrogen Release When Applied as Green Manures to Tropical Vegetable Production Systems

    Carmen Thönnissen;David J. Midmore;Jagdish K. Ladha;Daniel C. Olk

  • Chemical stabilization of soil organic nitrogen by phenolic lignin residues in anaerobic agroecosystems

    D. C. Olk;Kenneth G. Cassman;K. Schmidt-Rohr;M. M. Anders

  • On-farm soil N supply and N nutrition in the rice-wheat system of Nepal and Bangladesh

    C Adhikari;K.F Bronson;G.M Panuallah;A.P Regmi

  • Decrease in humification of organic matter with intensified lowland rice cropping: a wet chemical and spectroscopic investigation.

    D. C. Olk;G. Brunetti;N. Senesi

  • Nitrogen Fertilizer Suppresses Mineralization of Soil Organic Matter in Maize Agroecosystems

    Navreet K. Mahal;William R. Osterholz;Fernando E. Miguez;Hanna J. Poffenbarger

  • A new standardized method for quantification of humic and fulvic acids in humic ores and commercial products.

    Richard T Lamar;Daniel C Olk;Lawrence Mayhew;Paul R Bloom

  • Environmental and Agricultural Relevance of Humic Fractions Extracted by Alkali from Soils and Natural Waters

    D. C. Olk;P. R. Bloom;E. M. Perdue;D. M. McKnight

  • Forms and Lability of Phosphorus in Humic Acid Fractions of Hord Silt Loam Soil

    Zhongqi He;Daniel C. Olk;Barbara J. Cade-Menun

  • Humic products in agriculture: potential benefits and research challenges—a review

    Daniel C. Olk;Dana L. Dinnes;J. Rene Scoresby;Chad R. Callaway

  • A Chemical Fractionation for Structure–Function Relations of Soil Organic Matter in Nutrient Cycling

    Daniel C. Olk

  • Chemical composition of organic matter in a deep soil changed with a positive priming effect due to glucose addition as investigated by 13C NMR spectroscopy

    Yueling Zhang;Shuihong Yao;Jingdong Mao;Daniel C. Olk

  • ORGANIC MATTER IN DOUBLE-CROPPED LOWLAND RICE SOILS: CHEMICAL AND SPECTROSCOPIC PROPERTIES

    D. C. Olk;Gennaro Brunetti;N. Senesi

  • Using Humic Fractions to Understand Natural Organic Matter Processes in Soil and Water: Selected Studies and Applications

    D. C. Olk;P. R. Bloom;M. De Nobili;Y. Chen

  • Carbohydrates and Amino Compounds as Short‐Term Indicators of Soil Management

    Hamada Abdelrahman;Claudio Cocozza;Daniel C. Olk;Domenico Ventrella

  • Organic Forms of Soil Nitrogen

    Daniel C. Olk

Frequent Co-Authors

Jingdong Mao
Jingdong Mao Old Dominion University
Klaus Schmidt-Rohr
Klaus Schmidt-Rohr Brandeis University
Zhongqi He
Zhongqi He Agricultural Research Service
Johan Six
Johan Six ETH Zurich
Kenneth G. Cassman
Kenneth G. Cassman University of Nebraska–Lincoln
John E. Sawyer
John E. Sawyer Iowa State University
Rhae A. Drijber
Rhae A. Drijber University of Nebraska–Lincoln
Cynthia A. Cambardella
Cynthia A. Cambardella Agricultural Research Service
Francesco Montemurro
Francesco Montemurro Consiglio Nazionale delle Ricerche, Rome, Italy
Ronald F. Turco
Ronald F. Turco Purdue University West Lafayette

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