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Agriculture & Forestry

H-Index
Rankings

United States 481 Scientists H-Index Agriculture & Forestry / Soil Sciences and Plant Nutrition Rankings - 2026

Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.

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Total 481 scientist , 3,198 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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2,784
World Rank
United States
1,207
Country Rank
Cornell University Logo
8
University
Ranking Based On Selection:
1
Johannes Lehmann
Cornell University Ithaca, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil | soil science | soil organic matter | soil health | soil organic carbo

H-Index Metrics

  • Total
    141
  • Last 5 Years
    108
  • Last 5 Years / Total
    0.766
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* Total H Index Rankings

Rankings

flag
4,263
World Rank
United States
1,888
Country Rank
University of Delaware Logo
1
University
Ranking Based On Selection:
2
Donald Sparks
University of Delaware Newark, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Biogeochemistr

H-Index Metrics

  • Total
    127
  • Last 5 Years
    68
  • Last 5 Years / Total
    0.535
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* Total H Index Rankings

Rankings

flag
6,078
World Rank
United States
2,678
Country Rank
Colorado State University Logo
4
University
Ranking Based On Selection:
3
Keith Paustian
Colorado State University Fort Collins, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil biogeochemistry | land use and greenhouse gas emissions | soil health | biofuel sustainabilit

H-Index Metrics

  • Total
    116
  • Last 5 Years
    74
  • Last 5 Years / Total
    0.638
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* Total H Index Rankings

Rankings

flag
6,501
World Rank
United States
2,868
Country Rank
University of California Riverside Logo
10
University
Ranking Based On Selection:
4
Jiri Simunek
University of California Riverside Riverside, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil Physics | Vadose Zone Hydrology | Numerical Modelin

H-Index Metrics

  • Total
    114
  • Last 5 Years
    69
  • Last 5 Years / Total
    0.605
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* Total H Index Rankings

Rankings

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6,913
World Rank
United States
3,066
Country Rank
University of California Santa Barbara Logo
17
University
Ranking Based On Selection:
5
Joshua P Schimel
University of California Santa Barbara Santa Barbara, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil science | ecology | arctic science | microbial ecolog

H-Index Metrics

  • Total
    112
  • Last 5 Years
    76
  • Last 5 Years / Total
    0.679
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* Total H Index Rankings

Rankings

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8,285
World Rank
United States
3,653
Country Rank
University of California Berkeley Logo
85
University
Ranking Based On Selection:
6
Mary K Firestone
University of California Berkeley Berkeley, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil Microbial Ecolog

H-Index Metrics

  • Total
    107
  • Last 5 Years
    68
  • Last 5 Years / Total
    0.636
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* Total H Index Rankings

Rankings

flag
8,713
World Rank
United States
3,842
Country Rank
Colorado State University Logo
7
University
Ranking Based On Selection:
7
Eldor A Paul
Colorado State University Fort Collins, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Natural Resource Ecolog

H-Index Metrics

  • Total
    106
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.425
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* Total H Index Rankings

Rankings

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10,102
World Rank
United States
4,433
Country Rank
University of Florida Logo
38
University
Ranking Based On Selection:
8
K Ramesh Reddy
University of Florida Gainesville, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Biogeochemistry | Soil Science | Wetlands and Aquatic System

H-Index Metrics

  • Total
    102
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.392
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* Total H Index Rankings

Rankings

flag
10,306
World Rank
United States
4,486
Country Rank
Stanford University Logo
198
University
Ranking Based On Selection:
9
Fendorf
Stanford University Stanford, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil | biogeochemistry | metals | arsenic | soil organic carbo

H-Index Metrics

  • Total
    101
  • Last 5 Years
    65
  • Last 5 Years / Total
    0.644
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* Total H Index Rankings

Rankings

flag
10,793
World Rank
United States
4,689
Country Rank
University of California Davis Logo
41
University
Ranking Based On Selection:
10
Kate Scow
University of California Davis Davis, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil science | microbial ecology | agroecology | soil microbiology | remediatio

H-Index Metrics

  • Total
    101
  • Last 5 Years
    54
  • Last 5 Years / Total
    0.535
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* Total H Index Rankings

Rankings

flag
11,442
World Rank
United States
4,966
Country Rank
Northern Arizona University Logo
6
University
Ranking Based On Selection:
11
Bruce Hungate
Northern Arizona University Flagstaff, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil microbial ecology | biogeochemistry | stable isotopes | ecosystem science | global chang

H-Index Metrics

  • Total
    98
  • Last 5 Years
    74
  • Last 5 Years / Total
    0.755
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* Total H Index Rankings

Rankings

flag
12,186
World Rank
United States
5,284
Country Rank
Iowa State University Logo
6
University
Ranking Based On Selection:
12
M Ali Tabatabai
Iowa State University Ames, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil chemistry | soil biochemistry | plant nutrition | environmental issues related to agricultur

H-Index Metrics

  • Total
    97
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.464
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* Total H Index Rankings

Rankings

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16,225
World Rank
United States
6,971
Country Rank
University of Florida Logo
70
University
Ranking Based On Selection:
13
Yuncong Li
University of Florida Gainesville, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil and Water Qualit

H-Index Metrics

  • Total
    89
  • Last 5 Years
    64
  • Last 5 Years / Total
    0.719
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* Total H Index Rankings

Rankings

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19,035
World Rank
United States
8,104
Country Rank
Lawrence Berkeley National Laboratory Logo
53
University
Ranking Based On Selection:
14
Eoin Brodie
Lawrence Berkeley National Laboratory Berkeley, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Molecular Microbiology | Soil Science | Biogeochemistry | Ecosystem Ecology | Sustainable Agricultur

H-Index Metrics

  • Total
    85
  • Last 5 Years
    63
  • Last 5 Years / Total
    0.741
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* Total H Index Rankings

Rankings

flag
19,454
World Rank
United States
8,246
Country Rank
Texas A&M University Logo
57
University
Ranking Based On Selection:
15
Terry A Howell SR|Terry A. Howell, Sr.
Texas A&M University College Station, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
irrigation | evapotranspiratio

H-Index Metrics

  • Total
    85
  • Last 5 Years
    45
  • Last 5 Years / Total
    0.529
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* Total H Index Rankings

Rankings

flag
20,058
World Rank
United States
8,488
Country Rank
Iowa State University Logo
15
University
Ranking Based On Selection:
16
Robert Horton
Iowa State University Ames, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil physics | soil | water | vadose zone hydrology | soil scienc

H-Index Metrics

  • Total
    84
  • Last 5 Years
    52
  • Last 5 Years / Total
    0.619
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* Total H Index Rankings

Rankings

flag
20,959
World Rank
United States
8,849
Country Rank
US Department of Agriculture Logo
17
University
Ranking Based On Selection:
17
Alan Franzluebbers
US Department of Agriculture Washington, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil science | agronomy | agriculture | environmental scienc

H-Index Metrics

  • Total
    83
  • Last 5 Years
    51
  • Last 5 Years / Total
    0.614
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* Total H Index Rankings

Rankings

flag
23,685
World Rank
United States
9,876
Country Rank
University of California Davis Logo
106
University
Ranking Based On Selection:
18
Horwath William
University of California Davis Davis, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
soil science | biogeochemistry | greenhouse gase

H-Index Metrics

  • Total
    81
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.580
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* Total H Index Rankings

Rankings

flag
25,057
World Rank
United States
10,413
Country Rank
University of Florida Logo
102
University
Ranking Based On Selection:
19
Pedro A Sanchez
University of Florida Gainesville, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Tropical soils | hunger | nutritio

H-Index Metrics

  • Total
    79
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.506
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* Total H Index Rankings

Rankings

flag
25,394
World Rank
United States
10,551
Country Rank
Colorado State University Logo
30
University
Ranking Based On Selection:
20
M Francesca Cotrufo
Colorado State University Fort Collins, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
litter decomposition | soil organic matter | stable isotope

H-Index Metrics

  • Total
    78
  • Last 5 Years
    62
  • Last 5 Years / Total
    0.795
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* Total H Index Rankings

Rankings

flag
25,830
World Rank
United States
10,688
Country Rank
Oklahoma State University Stillwater Logo
6
University
Ranking Based On Selection:
21
William Raun
Oklahoma State University Stillwater Stillwater, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
sensors | nutrient management | nitrogen | plant nutrition | developing world agricultur

H-Index Metrics

  • Total
    78
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.603
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* Total H Index Rankings

Rankings

flag
28,272
World Rank
United States
11,656
Country Rank
Ohio State University Logo
73
University
Ranking Based On Selection:
22
Warren Dick
Ohio State University Columbus, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil science | microbial ecology | water quality | sustainable agricultur

H-Index Metrics

  • Total
    76
  • Last 5 Years
    40
  • Last 5 Years / Total
    0.526
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* Total H Index Rankings

Rankings

flag
29,745
World Rank
United States
12,220
Country Rank
University of Illinois Urbana Champaign Logo
108
University
Ranking Based On Selection:
23
Mark B David
University of Illinois Urbana Champaign Champaign, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
biogeochemistry | soil science | water quality | agronomy | environmental scienc

H-Index Metrics

  • Total
    75
  • Last 5 Years
    33
  • Last 5 Years / Total
    0.440
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* Total H Index Rankings

Rankings

flag
30,519
World Rank
United States
12,481
Country Rank
US Department of Agriculture Logo
25
University
Ranking Based On Selection:
24
Steven R Evett
US Department of Agriculture Washington, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
evapotranspiration | irrigation | soil water | soil physics | sensor

H-Index Metrics

  • Total
    74
  • Last 5 Years
    46
  • Last 5 Years / Total
    0.622
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* Total H Index Rankings

Rankings

flag
39,493
World Rank
United States
15,661
Country Rank
New Mexico State University Logo
5
University
Ranking Based On Selection:
25
Jeffrey Herrick
New Mexico State University Las Cruces, United States
Agriculture & Forestry / Soil Sciences and Plant Nutrition
Soil Science | Ecology | Agriculture | Policy | Rangeland

H-Index Metrics

  • Total
    68
  • Last 5 Years
    47
  • Last 5 Years / Total
    0.691
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