C. E. Clapp

5.2k citations

89 papers · 4.1k · h-index 31

Impact in

Soil Science top 0.2%
- Soil Carbon and Nitrogen Dynamics
- Soil Management and Crop Yield
Environmental Chemistry top 0.5%
- Soil and Water Nutrient Dynamics

Papers in

Soil Science 53
- Soil Carbon and Nitrogen Dynamics 51
Environmental Chemistry 35
- Soil and Water Nutrient Dynamics 34

Co-authors: J. A. E. Molina (25 shared papers)Raymond Richard Allmaras (9 shared papers)Dennis R. Linden (16 shared papers)W. E. Larson (11 shared papers)Michael H. B. Hayes (11 shared papers)Robert H. Dowdy (8 shared papers)M.F. Layese (7 shared papers)Yangmei Chen (3 shared papers)
Journals: Soil Science Society of America Journal (21 papers)Soil Science (13 papers)Journal of Environmental Quality (9 papers)Soil Biology and Biochemistry (7 papers)Journal of Geophysical Research Atmospheres (5 papers)
Partner nations: United States Israel Ireland

In The Last Decade

C. E. Clapp

86 papers receiving 3.7k citations

Peers

Replace M. Amato with:

M. Amato Australia

A. F. MacKenzie Canada

J. R. Bettany Canada

Fernando Selles Canada

Colleen Campbell Canada

Daniel C. Olk United States

K. M. Goh New Zealand

Stephen C. Jarvis United Kingdom

Thomas M. Addiscott United Kingdom

Jeff J. Schoenau Canada

C. E. Clapp relative to M. Amato Australia M. Amato's profile →

Citations per field

00.5×2×2.7×

M. Amato · 1×

×0.9 3k/3k

SS

×1.0 1k/1k

EC

×1.1 758/672

ACS

×1.3 295/235

WMD

×0.8 748/902

ECOLO

Citations per year

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Countries citing papers authored by C. E. Clapp

Since Specialization

Citations

This map shows the geographic impact of C. E. Clapp's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by C. E. Clapp with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites C. E. Clapp more than expected).

Fields of papers citing papers by C. E. Clapp

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by C. E. Clapp. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by C. E. Clapp. The network helps show where C. E. Clapp may publish in the future.

Co-authors

The 25 scholars most cited alongside C. E. Clapp, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with C. E. Clapp Line = papers co-authored together C. E. Clapp links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 89 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Soil organic carbon and nitrogen in a Minnesota soil as related to tillage, residue and nitrogen management Soil and Tillage Research ·Michael S. Dolan, C. E. Clapp, Raymond Richard Allmaras, John M. Baker, J. A. E. Molina	2005	332
2	NCSOIL, A Model of Nitrogen and Carbon Transformations in Soil: Description, Calibration, and Behavior Soil Science Society of America Journal ·J. A. E. Molina, C. E. Clapp, M. J. Shaffer, F. Wesley Chichester, W. E. Larson	1983	251
3	Effects of Increasing Amounts of Organic Residues on Continuous Corn: II. Organic Carbon, Nitrogen, Phosphorus, and Sulfur1 Agronomy Journal ·W. E. Larson, C. E. Clapp, W. H. Pierre, Y. B. Morachan	1972	248
4	Soil organic carbon and 13C abundance as related to tillage, crop residue, and nitrogen fertilization under continuous corn management in Minnesota Soil and Tillage Research ·C. E. Clapp, Raymond Richard Allmaras, M.F. Layese, Dennis R. Linden, Robert H. Dowdy	2000	247
5	Mechanisms of plant growth stimulation by humic substances: The role of organo-iron complexes Soil Science & Plant Nutrition ·Yangmei Chen, C. E. Clapp, Hagit Magen	2004	238
6	HUMIC SUBSTANCES: CONSIDERATIONS OF COMPOSITIONS, ASPECTS OF STRUCTURE, AND ENVIRONMENTAL INFLUENCES Soil Science ·Michael H. B. Hayes, C. E. Clapp	2001	187
7	Corn‐Residue Transformations into Root and Soil Carbon as Related to Nitrogen, Tillage, and Stover Management Soil Science Society of America Journal ·Raymond Richard Allmaras, Dennis R. Linden, C. E. Clapp	2004	160
8	Potentially Mineralizable Nitrogen in Soil: The Simple Exponential Model Does Not Apply for the First 12 Weeks of Incubation Soil Science Society of America Journal ·J. A. E. Molina, C. E. Clapp, W. E. Larson	1980	141
9	Long-term corn grain and stover yields as a function of tillage and residue removal in east central Minnesota Soil and Tillage Research ·Dennis R. Linden, C. E. Clapp, Robert H. Dowdy	2000	138
10	Corn‐Soybean Sequence and Tillage Effects on Soil Carbon Dynamics and Storage Soil Science Society of America Journal ·David R. Huggins, Raymond Richard Allmaras, C. E. Clapp, J. A. Lamb, G. W. Randall	2007	135
11	Carbon Dynamics in Corn‐Soybean Sequences as Estimated from Natural Carbon‐13 Abundance Soil Science Society of America Journal ·David R. Huggins, C. E. Clapp, Raymond Richard Allmaras, J. A. Lamb, M.F. Layese	1998	110
12	Macroporous Infiltration and Redistribution as Affected by Earthworms, Tillage, and Residue Soil Science Society of America Journal ·J. E. Zachmann, Dennis R. Linden, C. E. Clapp	1987	94
13	Characterization of Organic Matter in Soils by Thermochemolysis Using Tetramethylammonium Hydroxide (TMAH) Soil Science Society of America Journal ·Benny Chefetz, Yona Chen, C. E. Clapp, Patrick G. Hatcher	2000	93
14	Models for Predicting Potentially Mineralizable Nitrogen and Decomposition Rate Constants Soil Science Society of America Journal ·Jeremy R.L. Deans, J. A. E. Molina, C. E. Clapp	1986	93
15	Sequential exhaustive extraction of a Mollisol soil, and characterizations of humic components, including humin, by solid and solution state NMR European Journal of Soil Science ·Guixue Song, E. H. Novotny, André J. Simpson, C. E. Clapp, Michael H. B. Hayes	2008	85
16	Sewage sludge organic matter and soil properties C. E. Clapp, Sari Stark, David E. Clay, W. E. Larson	1986	74
17	Assimilation of nitrogen by soil microbial population: NH4 versus organic N Soil Biology and Biochemistry ·AVIVA HADAS, M. Sofer, J. A. E. Molina, Phillip Barak, C. E. Clapp	1992	72
18	Effects of Manure and Cultivation on Carbon Dioxide and Nitrous Oxide Emissions from a Corn Field under Mediterranean Conditions Journal of Environmental Quality ·Hadar Heller, Asher Bar‐Tal, Guy Tamir, Paul R. Bloom, Rodney T. Venterea, Chen Fei Dong, Yi Zhang, C. E. Clapp	2010	68
19	A case study of convectively sourced water vapor observed in the overworld stratosphere over the United States Journal of Geophysical Research Atmospheres ·J. B. Smith, David M. Wilmouth, Kristopher M. Bedka, Kenneth P. Bowman, Cameron R. Homeyer, John A. Dykema, Maryann R. Sargent, C. E. Clapp	2017	68
20	Modeling the incorporation of corn (Zea mays L.) carbon from roots and rhizodeposition into soil organic matter Soil Biology and Biochemistry ·J. A. E. Molina, C. E. Clapp, Dennis R. Linden, Raymond Richard Allmaras, M.F. Layese, Robert H. Dowdy, Hans H. Cheng	2001	66

About C. E. Clapp

C. E. Clapp is a scholar working on Soil Science, Environmental Chemistry, Ecology, Waste Management and Disposal and Plant Science, having authored 89 papers that have together received 4.1k indexed citations. Recurring topics across this work include Soil Carbon and Nitrogen Dynamics (51 papers), Soil and Water Nutrient Dynamics (34 papers), Isotope Analysis in Ecology (10 papers), Plant nutrient uptake and metabolism (9 papers), Clay minerals and soil interactions (8 papers), Soil and Unsaturated Flow (7 papers), Atmospheric Ozone and Climate (7 papers) and Peatlands and Wetlands Ecology (6 papers). The work is most often cited by research in Soil Science (2.8k citations), Environmental Chemistry (1.1k citations), Agronomy and Crop Science (758 citations), Waste Management and Disposal (295 citations) and Ecology (748 citations). C. E. Clapp has collaborated with scholars based in United States, Israel and Ireland. Frequent co-authors include J. A. E. Molina, Raymond Richard Allmaras, Dennis R. Linden, W. E. Larson, Michael H. B. Hayes, Robert H. Dowdy, M.F. Layese, Yangmei Chen, Hagit Magen and John M. Baker. Their work appears in journals such as Soil Science Society of America Journal, Soil Science, Journal of Environmental Quality, Soil Biology and Biochemistry and Journal of Geophysical Research Atmospheres.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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C. E. Clapp

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