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Hartley, Roy D.

Hartley, Roy D.

Brook House, United Kingdom

2025 Rank: 132,818

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Agriculture, Fisheries & Forestry

SubField 1:

Food Science

SubField 2:

Plant Biology & Botany

Rank in SubField 1: 748 out of 96,082 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score132,818154,906
Total Cites3,0383,160
H-index3030
Hm-index1717
Number of Single Authored Papers66
Total Cites to Single Authored Papers196196
Number of Single+First Authored Papers3030
Total Cites to Single+First Authored Papers958978
Number of Single+First+Last Authored Papers5252
Total Cites to Single+First+Last Authored Papers2,2412,301
Composite Score33
Number of Distinct Citing Papers2,1812,234
Ratio of Total Citations to Distinct Citing Papers 1.39 1.41
Self-Citation Percentage
3.86%
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Hartley, Roy D.

Hartley, Roy D.

USDA Agricultural Research Service, United States

2024 Rank: 124,029

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Agriculture, Fisheries & Forestry

SubField 1:

Food Science

SubField 2:

Plant Biology & Botany

Rank in SubField 1: 653 out of 84,371 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score124,029144,827
Total Cites2,9783,100
H-index3030
Hm-index1717
Number of Single Authored Papers66
Total Cites to Single Authored Papers192192
Number of Single+First Authored Papers3030
Total Cites to Single+First Authored Papers937957
Number of Single+First+Last Authored Papers5252
Total Cites to Single+First+Last Authored Papers2,1912,251
Composite Score33
Number of Distinct Citing Papers2,1372,190
Ratio of Total Citations to Distinct Citing Papers 1.39 1.42
Self-Citation Percentage
3.94%
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Hartley, Roy D.

Hartley, Roy D.

USDA ARS Russell Research Center (RRC), United States

2023 Rank: 115,648

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Agriculture, Fisheries & Forestry

SubField 1:

Food Science

SubField 2:

Plant Biology & Botany

Rank in SubField 1: 579 out of 72,818 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score115,648135,458
Total Cites2,9093,028
H-index3030
Hm-index1717
Number of Single Authored Papers66
Total Cites to Single Authored Papers187187
Number of Single+First Authored Papers3030
Total Cites to Single+First Authored Papers920940
Number of Single+First+Last Authored Papers5252
Total Cites to Single+First+Last Authored Papers2,1422,200
Composite Score33
Number of Distinct Citing Papers2,0852,136
Ratio of Total Citations to Distinct Citing Papers 1.40 1.42
Self-Citation Percentage
3.93%
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Hartley, Roy D.

Hartley, Roy D.

USDA ARS Russell Research Center (RRC), United States

2022 Rank: 111,172

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Agriculture, Fisheries & Forestry

SubField 1:

Food Science

SubField 2:

Plant Biology & Botany

Rank in SubField 1: 506 out of 64,755 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score111,172126,714
Total Cites2,8012,920
H-index3030
Hm-index1617
Number of Single Authored Papers66
Total Cites to Single Authored Papers173173
Number of Single+First Authored Papers3030
Total Cites to Single+First Authored Papers877897
Number of Single+First+Last Authored Papers5252
Total Cites to Single+First+Last Authored Papers2,0572,115
Composite Score33
Number of Distinct Citing Papers2,0062,057
Ratio of Total Citations to Distinct Citing Papers 1.40 1.42
Self-Citation Percentage
4.08%
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Hartley, Roy D.

Hartley, Roy D.

USDA ARS Russell Research Center (RRC), United States

2021 Rank: 106,029

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Agriculture, Fisheries & Forestry

SubField 1:

Food Science

SubField 2:

Plant Biology & Botany

Rank in SubField 1: 457 out of 58,351 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score106,029120,885
Total Cites2,7582,877
H-index3030
Hm-index1617
Number of Single Authored Papers66
Total Cites to Single Authored Papers169169
Number of Single+First Authored Papers3030
Total Cites to Single+First Authored Papers861881
Number of Single+First+Last Authored Papers5252
Total Cites to Single+First+Last Authored Papers2,0222,080
Composite Score33
Number of Distinct Citing Papers1,9692,020
Ratio of Total Citations to Distinct Citing Papers 1.40 1.42
Self-Citation Percentage
4.14%
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