World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 45 2786 2588 682 605 83 9942
Environmental Sciences 46 5991 5747 2170 2009 86 10096

Jeffrey L. Smith publications per year

The chart shows the history of publications by Jeffrey L. Smith between 1985 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jeffrey L. Smith published across 42 years, from 1985 to 2026, averaging 2.5 papers a year. Output peaked at 7 publications in 2011. 6 of the 106 publications appeared in the last two years.

No. of publications
2 4 6
Bar chart. Horizontal axis: year, 1985 to 2026. Vertical axis: number of publications, 0 to 7. Peak 7 publications in 2011. 1985: 1 publication 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 2 publications 1991: 3 publications 1992: 1 publication 1993: 3 publications 1994: 4 publications 1995: 2 publications 1996: 2 publications 1997: 5 publications 1998: 2 publications 1999: 0 publications 2000: 3 publications 2001: 2 publications 2002: 4 publications 2003: 3 publications 2004: 1 publication 2005: 2 publications 2006: 5 publications 2007: 2 publications 2008: 4 publications 2009: 5 publications 2010: 3 publications 2011: 7 publications 2012: 5 publications 2013: 4 publications 2014: 1 publication 2015: 5 publications 2016: 3 publications 2017: 2 publications 2018: 1 publication 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 7 publications 2023: 3 publications 2024: 3 publications 2025: 5 publications 2026: 1 publication
1985 2026

106 publications in total across all disciplines

View publications per year as a table
Jeffrey L. Smith: publications per year, 1985 to 2026
Year Publications
1985 1
1986 0
1987 0
1988 0
1989 0
1990 2
1991 3
1992 1
1993 3
1994 4
1995 2
1996 2
1997 5
1998 2
1999 0
2000 3
2001 2
2002 4
2003 3
2004 1
2005 2
2006 5
2007 2
2008 4
2009 5
2010 3
2011 7
2012 5
2013 4
2014 1
2015 5
2016 3
2017 2
2018 1
2019 0
2020 0
2021 0
2022 7
2023 3
2024 3
2025 5
2026 1
Total 106
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Jeffrey L. Smith publication distribution in Plant Science and Agronomy in 2026

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 Jeffrey L. Smith sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 81–85 publications, is where this scientist sits. 36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36–40 publications 467+

This scientist: 83 publications — 13th percentile

13% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
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 83
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
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
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Jeffrey L. Smith D-index placement in Plant Science and Agronomy in 2026

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 Jeffrey L. Smith sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 45 D-Index, is where this scientist sits. 30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 45 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
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
41 230
42 228
43 219
44 193
45 164 45
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
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Overview

Jeffrey L. Smith is affiliated with Washington State University in the United States. Their research primarily focuses on Health Professions, with a strong emphasis on General Health Professions. Additional subfields include Clinical Psychology, Immunology, Astronomy and Astrophysics, and Management Science and Operations Research.

The core topics addressed in their work encompass Health Policy Implementation Science, Primary Care and Health Outcomes, Mental Health and Patient Involvement, Interprofessional Education and Collaboration, Evaluation and Performance Assessment, Posttraumatic Stress Disorder Research, and Hermeneutics and Narrative Identity.

Smith has published articles in a range of venues. The most frequent publication outlets include Implementation Research and Practice, Military Medicine, Implementation Science, Global Implementation Research and Applications, and PLoS ONE.

Notable recent papers authored or co-authored by Smith are:

  • Getting to Fidelity: Consensus Development Process to Identify Core Activities of Implementation Facilitation (2024) in Global Implementation Research and Applications
  • Implementation of peer specialist services in VA primary care: a cluster randomized trial on the impact of external facilitation (2021) in Implementation Science
  • Development and Preliminary Evaluation of an Implementation Facilitation Training Program (2022) in Implementation Research and Practice
  • Consensus on strategies for implementing high priority mental health care practices within the US Department of Veterans Affairs (2021) in Implementation Research and Practice
  • Testing implementation facilitation for uptake of an evidence-based psychosocial intervention in VA homeless programs: A hybrid type III trial (2022) in PLoS ONE

The scientist frequently collaborates with several co-authors, including JoAnn E. Kirchner, Matthew Chinman, Mona J. Ritchie, Bo Kim, and Michelle A. Mengeling.

Best Publications

  • The Significance of Soil Microbial Biomass Estimations

    J. L. Smith;E. A. Paul

  • Fungal-to-Bacterial Ratios in Soils Investigated for Enhanced C Sequestration

    Vanessa L. Bailey;Jeffrey L. Smith;Harvey Bolton

  • The effect of young biochar on soil respiration

    Jeffrey L. Smith;Harold P. Collins;Vanessa L. Bailey

  • Measurement and use of pH and electrical conductivity for soil quality analysis.

    Jeffrey L. Smith;John W. Doran

  • Reconciling apparent variability in effects of biochar amendment on soil enzyme activities by assay optimization

    Vanessa L. Bailey;Sarah J. Fansler;Jeffrey L. Smith;Harvey Bolton

  • Understanding and Enhancing Soil Biological Health: The Solution for Reversing Soil Degradation

    R. Michael Lehman;Cynthia A. Cambardella;Diane E. Stott;Veronica Acosta-Martinez

  • Relationships between soil microbial biomass determined by chloroform fumigation-extraction, substrate-induced respiration, and phospholipid fatty acid analysis.

    Vanessa L. Bailey;A. D. Peacock;Jeff L. Smith;Harvey Bolton

  • Using Multiple-Variable Indicator Kriging for Evaluating Soil Quality

    Jeffrey L. Smith;Jonathan J. Halvorson;Robert I. Papendick

  • Soil properties and microbial activity across a 500 m elevation gradient in a semi-arid environment

    Jeffrey L. Smith;Jonathan J. Halvorson;Harvey Bolton

  • Identification of Regional Soil Quality Factors and Indicators II. Northern Mississippi Loess Hills and Palouse Prairie

    John J. Brejda;Douglas L. Karlen;Jeffrey L. Smith;Deborah L. Allan

  • Soil microbial biomass and activity of a disturbed and undisturbed shrub-steppe ecosystem

    H. Bolton;J.L. Smith;S.O. Link

  • Microbial activity affected by lime in a long-term no-till soil

    Juan P. Fuentes;David F. Bezdicek;Markus Flury;Stephan Albrecht

  • Distribution and Variability of Surface Soil Properties at a Regional Scale

    John J. Brejda;Thomas B. Moorman;Jeffrey L. Smith;Douglas L. Karlen

  • Nitrogen Use Efficiency of Split Nitrogen Applications in Soft White Winter Wheat

    Karen E. Sowers;William L. Pan;Baird C. Miller;Jeffrey L. Smith

  • Spatial relationships of soil microbial biomass and C and N Mineralization in a semi-arid shrub-steppe ecosystem

    Jeffrey L. Smith;Jonathan J. Halvorson;Harvey Bolton

  • Flow and fate of soil nitrogen in an annual grassland and a young mixed-conifer forest

    Stephen C. Hart;Mary K. Firestone;Eldor A. Paul;Jeffrey L. Smith

  • Soil organic matter–hydrogen peroxide dynamics in the treatment of contaminated soils and groundwater using catalyzed H2O2 propagations (modified Fenton's reagent)

    Lauren L. Bissey;Jeffrey L. Smith;Richard J. Watts

  • Carbon flow in the rhizosphere of ponderosa pine seedlings

    Jeanette M. Norton;Jeffrey L. Smith;Mary K. Firestone

  • Nitrous oxide flux from a shrub-steppe ecosystem: Sources and regulation

    D.L. Mummey;J.L. Smith;H. Bolton

  • Soil biology for resilient, healthy soil

    R. Michael Lehman;Veronica Acosta-Martinez;Jeffrey S. Buyer;Cynthia A. Cambardella

  • Assessment of alternative soil management practices on N2O emissions from US agriculture

    Daniel L Mummey;Jeffrey L Smith;George Bluhm

  • Science Needs and New Technology for Increasing Soil Carbon Sequestration

    F. Blaine Metting;Jeffrey L. Smith;Jeffrey S. Amthor;R. Cesar Izaurralde

  • Integration of multiple soil parameters to evaluate soil quality: a field example

    Jonathan J. Halvorson;Jeffrey L. Smith;Robert I. Papendick

Frequent Co-Authors

John P. Reganold
John P. Reganold Washington State University
David R. Huggins
David R. Huggins Washington State University
Douglas L. Karlen
Douglas L. Karlen Iowa State University
Deborah L. Allan
Deborah L. Allan University of Minnesota
Justice Nyamangara
Justice Nyamangara Marondera University of Agricultural Sciences and Technology
Thomas B. Moorman
Thomas B. Moorman Agricultural Research Service
Jeffrey S. Buyer
Jeffrey S. Buyer Agricultural Research Service
Jude E. Maul
Jude E. Maul Agricultural Research Service
Mark A. Liebig
Mark A. Liebig Agricultural Research Service
Daniel K. Manter
Daniel K. Manter Agricultural Research Service

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