| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Plant Science and Agronomy | 40 | 3878 | 3629 | 965 | 866 | 250 | 6932 |
| Environmental Sciences | 40 | 8025 | 7712 | 2866 | 2669 | 251 | 6972 |
The chart shows the history of publications by David E. Clay between 1984 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David E. Clay published across 42 years, from 1984 to 2025, averaging 7.6 papers a year. Output peaked at 21 publications in 2015. 30 of the 318 publications appeared in the last two years.
318 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 1 |
| 1990 | 6 |
| 1991 | 0 |
| 1992 | 1 |
| 1993 | 3 |
| 1994 | 3 |
| 1995 | 7 |
| 1996 | 3 |
| 1997 | 5 |
| 1998 | 3 |
| 1999 | 7 |
| 2000 | 8 |
| 2001 | 6 |
| 2002 | 5 |
| 2003 | 11 |
| 2004 | 5 |
| 2005 | 11 |
| 2006 | 8 |
| 2007 | 9 |
| 2008 | 6 |
| 2009 | 10 |
| 2010 | 7 |
| 2011 | 11 |
| 2012 | 7 |
| 2013 | 9 |
| 2014 | 13 |
| 2015 | 21 |
| 2016 | 9 |
| 2017 | 10 |
| 2018 | 21 |
| 2019 | 12 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 19 |
| 2023 | 11 |
| 2024 | 21 |
| 2025 | 9 |
| Total | 318 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where David E. Clay sits on this spectrum.
This scientist: 250 publications — 87th percentile
87% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 467 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 36–40 | 2 | |
| 41–45 | 7 | |
| 46–50 | 40 | |
| 51–55 | 58 | |
| 56–60 | 60 | |
| 61–65 | 107 | |
| 66–70 | 130 | |
| 71–75 | 153 | |
| 76–80 | 191 | |
| 81–85 | 199 | |
| 86–90 | 206 | |
| 91–95 | 218 | |
| 96–100 | 226 | |
| 101–105 | 227 | |
| 106–110 | 247 | |
| 111–115 | 255 | |
| 116–120 | 253 | |
| 121–125 | 233 | |
| 126–130 | 219 | |
| 131–135 | 201 | |
| 136–140 | 194 | |
| 141–145 | 176 | |
| 146–150 | 157 | |
| 151–155 | 147 | |
| 156–160 | 151 | |
| 161–165 | 159 | |
| 166–170 | 137 | |
| 171–175 | 128 | |
| 176–180 | 126 | |
| 181–185 | 98 | |
| 186–190 | 114 | |
| 191–195 | 100 | |
| 196–200 | 90 | |
| 201–205 | 71 | |
| 206–210 | 98 | |
| 211–215 | 70 | |
| 216–220 | 86 | |
| 221–225 | 61 | |
| 226–230 | 58 | |
| 231–235 | 53 | |
| 236–240 | 64 | |
| 241–245 | 39 | |
| 246–250 | 46 | 250 |
| 251–255 | 51 | |
| 256–260 | 36 | |
| 261–265 | 44 | |
| 266–270 | 35 | |
| 271–275 | 30 | |
| 276–280 | 33 | |
| 281–285 | 35 | |
| 286–290 | 36 | |
| 291–295 | 26 | |
| 296–300 | 26 | |
| 301–305 | 31 | |
| 306–310 | 30 | |
| 311–315 | 21 | |
| 316–320 | 29 | |
| 321–325 | 14 | |
| 326–330 | 15 | |
| 331–335 | 15 | |
| 336–340 | 17 | |
| 341–345 | 15 | |
| 346–350 | 12 | |
| 351–355 | 17 | |
| 356–360 | 18 | |
| 361–365 | 12 | |
| 366–370 | 11 | |
| 371–375 | 6 | |
| 376–380 | 6 | |
| 381–385 | 11 | |
| 386–390 | 9 | |
| 391–395 | 10 | |
| 396–400 | 8 | |
| 401–405 | 4 | |
| 406–410 | 9 | |
| 411–415 | 11 | |
| 416–420 | 4 | |
| 421–425 | 7 | |
| 426–430 | 4 | |
| 431–435 | 3 | |
| 436–440 | 5 | |
| 441–445 | 8 | |
| 446–450 | 6 | |
| 451–455 | 7 | |
| 456–460 | 5 | |
| 461–465 | 6 | |
| 466 | 2 | |
| 467+ | 99 |
The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where David E. Clay sits on this spectrum.
This scientist: 40 D-Index — 42nd percentile
42% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 109 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 200 | |
| 31 | 236 | |
| 32 | 253 | |
| 33 | 283 | |
| 34 | 288 | |
| 35 | 240 | |
| 36 | 246 | |
| 37 | 243 | |
| 38 | 247 | |
| 39 | 229 | |
| 40 | 232 | 40 |
| 41 | 230 | |
| 42 | 228 | |
| 43 | 219 | |
| 44 | 193 | |
| 45 | 164 | |
| 46 | 158 | |
| 47 | 143 | |
| 48 | 131 | |
| 49 | 127 | |
| 50 | 122 | |
| 51 | 122 | |
| 52 | 110 | |
| 53 | 102 | |
| 54 | 98 | |
| 55 | 79 | |
| 56 | 85 | |
| 57 | 88 | |
| 58 | 91 | |
| 59 | 62 | |
| 60 | 61 | |
| 61 | 59 | |
| 62 | 54 | |
| 63 | 61 | |
| 64 | 59 | |
| 65 | 58 | |
| 66 | 41 | |
| 67 | 49 | |
| 68 | 39 | |
| 69 | 32 | |
| 70 | 40 | |
| 71 | 47 | |
| 72 | 38 | |
| 73 | 28 | |
| 74 | 29 | |
| 75 | 28 | |
| 76 | 22 | |
| 77 | 21 | |
| 78 | 25 | |
| 79 | 26 | |
| 80 | 19 | |
| 81 | 16 | |
| 82 | 12 | |
| 83 | 16 | |
| 84 | 14 | |
| 85 | 11 | |
| 86 | 17 | |
| 87 | 13 | |
| 88 | 10 | |
| 89 | 12 | |
| 90 | 18 | |
| 91 | 16 | |
| 92 | 16 | |
| 93 | 17 | |
| 94 | 12 | |
| 95 | 8 | |
| 96 | 9 | |
| 97 | 9 | |
| 98 | 11 | |
| 99 | 12 | |
| 100 | 5 | |
| 101 | 8 | |
| 102 | 4 | |
| 103 | 11 | |
| 104 | 5 | |
| 105 | 9 | |
| 106 | 7 | |
| 107 | 4 | |
| 108 | 8 | |
| 109+ | 99 |
David E. Clay is affiliated with South Dakota State University in the United States and has contributed extensively to research in agricultural and environmental sciences. Their primary fields of study include Agricultural and Biological Sciences as well as Environmental Science. Within these, they have focused on subfields such as Soil Science, Plant Science, Ecology, Civil and Structural Engineering, and Environmental Engineering.
Clay's research topics cover several areas related to soil and environmental dynamics, including:
Recent publications demonstrate active engagement in topics related to soil carbon, greenhouse gas emissions, and precision agriculture. Some notable papers include:
The scientist has published extensively in venues such as Agronomy Journal, CSA News, ASSA, CSSA and SSSA, Journal of Soil and Water Conservation, and Agrosystems Geosciences & Environment. Among these, Agronomy Journal represents the most frequent publication venue with 14 articles.
Frequent collaborators of David E. Clay include:
In addition to journal articles, Clay is the author of a book titled Salinity and Sodicity, published in 2024 under the ASSA, CSSA and SSSA publisher.
David E. Clay's contributions have been recognized with the award of Fellow of the American Society of Agronomy (ASA) in 2007.
K. A. Sudduth;N. R. Kitchen;W. J. Wiebold;W. D. Batchelor
Rajesh Chintala;Thomas E. Schumacher;Louis M. McDonald;David E. Clay
Rajesh Chintala;Javier Mollinedo;Thomas E. Schumacher;Sharon K. Papiernik
D. E. Clay;G. L. Malzer;J. L. Anderson
David E. Clay;Ronald Alverson;Jane M.F. Johnson;Douglas L. Karlen
Rajesh Chintala;Thomas E. Schumacher;Sandeep Kumar;Douglas D. Malo
Ronnie W. Heiniger;Robert G. McBride;David E. Clay
Lan H. Nguyen;Deepak R. Joshi;David E. Clay;Geoffrey M. Henebry
D. E. Clay;Ki‐In Kim;J. Chang;S. A. Clay
Ki-In Kim;David E. Clay;C. G. Carlson;S. A. Clay
C. E. Clapp;S. A. Stark;D. E. Clay;W. E. Larson
Krishna S. Nemali;Christopher Bonin;Frank G. Dohleman;Mike Stephens
Christopher D. Lupo;David E. Clay;Jennifer L. Benning;James J. Stone
T. D. Setiyono;H. Yang;D. T. Walters;A. Dobermann
Jiyul Chang;David E. Clay;Kevin Dalsted;Sharon Clay
Cheryl L. Reese;David E. Clay;Sharon A. Clay;Alex D. Bich
M. M. Ellsbury;W. D. Woodson;S. A. Clay;D. Malo
S. A. Clay;G. J. Lems;D. E. Clay;F. Forcella
D. E. Clay;R. E. Engel;D. S. Long;Z. Liu
Francis J. Pierce;David E. Clay
David E. Clay;Sharon A. Clay;Kurtis D. Reitsma;Barry H. Dunn
If you think any of the details on this page are incorrect, let us know.
Argonne National Laboratory
The Ohio State University
Indiana University – Purdue University Indianapolis
Collège de France
University of Michigan–Ann Arbor
Harvard University
University of Helsinki
ETH Zurich
National Center for Tumor Diseases
Agricultural Research Service
University of Chicago
The Wistar Institute
Beijing Institute of Technology
Royal Institute of Technology
Imperial College London
Northeastern University