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Plant Science and Agronomy
Canada
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
78
Citations
28449
World Ranking
456
National Ranking
9

H. Henry Janzen 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 H. Henry Janzen sits on this spectrum.

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 publications 467+

This scientist: 232 publications — 84th percentile

84% of scientists in this discipline score the same or lower.

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

H. Henry Janzen 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 H. Henry Janzen sits on this spectrum.

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: 78 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2025 - Research.com Plant Science and Agronomy in Canada Leader Award
  • 2007 - Fellow of the Soil Science Society of America (SSSA)

Overview

What is he best known for?

The fields of study he is best known for:

  • Agriculture
  • Ecology
  • Agronomy

His primary areas of investigation include Agronomy, Soil water, Greenhouse gas, Agriculture and Organic matter. His work in Agronomy addresses subjects such as Agroecosystem, which are connected to disciplines such as Environmental protection. His studies in Soil water integrate themes in fields like Cropping system and Manure.

His Greenhouse gas research includes elements of Climate change, Grazing and Land use, land-use change and forestry. His study in Organic matter is interdisciplinary in nature, drawing from both Soil organic matter, Nutrient, Nitrogen cycle and Mineralization. His Soil organic matter study incorporates themes from Carbon sequestration and Ecosystem.

His most cited work include:

  • Greenhouse gas mitigation in agriculture (1545 citations)
  • Land Use, Land-Use Change, and Forestry (1300 citations)
  • Agricultural soils as a sink to mitigate CO2 emissions (649 citations)

What are the main themes of his work throughout his whole career to date?

H. Henry Janzen mainly investigates Agronomy, Soil water, Soil carbon, Greenhouse gas and Fertilizer. His work deals with themes such as Soil organic matter and Nitrogen, which intersect with Agronomy. His Soil water research is multidisciplinary, incorporating perspectives in Community structure and Water content.

The Soil carbon study which covers Agroecosystem that intersects with Perennial plant. His biological study spans a wide range of topics, including Agroforestry, Agriculture, Climate change, Carbon sequestration and Agricultural engineering. In his research on the topic of Agriculture, Environmental resource management is strongly related with Sustainability.

He most often published in these fields:

  • Agronomy (59.22%)
  • Soil water (23.46%)
  • Soil carbon (22.35%)

What were the highlights of his more recent work (between 2013-2021)?

  • Agronomy (59.22%)
  • Soil carbon (22.35%)
  • Soil water (23.46%)

In recent papers he was focusing on the following fields of study:

H. Henry Janzen spends much of his time researching Agronomy, Soil carbon, Soil water, Greenhouse gas and Soil organic matter. His Agronomy research incorporates elements of Soil quality and Nitrogen. He has included themes like Crop residue, Crop yield and Chernozem in his Soil carbon study.

The study incorporates disciplines such as Community structure and Water content in addition to Soil water. His research integrates issues of Agroforestry, Beef cattle, Carbon sequestration, Agricultural engineering and Grazing in his study of Greenhouse gas. His Soil organic matter study integrates concerns from other disciplines, such as Environmental chemistry, Organic matter, Litter and Plant litter.

Between 2013 and 2021, his most popular works were:

  • Root distribution by depth for temperate agricultural crops (158 citations)
  • Beyond carbon sequestration: soil as conduit of solar energy (39 citations)
  • Long-term microbial retention of residue C is site-specific and depends on residue placement (36 citations)

In his most recent research, the most cited papers focused on:

  • Agriculture
  • Ecology
  • Ecosystem

H. Henry Janzen mostly deals with Agronomy, Soil carbon, Greenhouse gas, Manure and Soil water. His Agronomy research integrates issues from Agroecosystem, Crop residue and Temperate climate. His Soil carbon study combines topics in areas such as Environmental chemistry, Agricultural engineering, Soil organic matter and Carbon sequestration.

The various areas that he examines in his Greenhouse gas study include Agroforestry, Beef cattle, Ecosystem, Tillage and Grazing. His Manure study combines topics from a wide range of disciplines, such as Fertilizer and Soil quality. He combines subjects such as Organic matter and Community structure with his study of Soil water.

Best Publications

  • Greenhouse gas mitigation in agriculture

    Pete Smith;Daniel Martino;Zucong Cai;Daniel Gwary

  • Land Use, Land-Use Change, and Forestry

    I R Noble;Michael J Apps;Richard A Houghton;Daniel Lashof

  • Agricultural soils as a sink to mitigate CO2 emissions

    K Paustian;O Andren;H.H Janzen;R Lal

  • Light-fraction organic matter in soils from long-term crop rotations

    H. H. Janzen;C. A. Campbell;S. A. Brandt;G. P. Lafond

  • Carbon cycling in earth systems—a soil science perspective

    H.H. Janzen

  • Microbially Mediated Increases in Plant-Available Phosphorus

    R.M.N. Kucey;H.H. Janzen;M.E. Leggett

  • Policy and technological constraints to implementation of greenhouse gas mitigation options in agriculture

    Pete Smith;Daniel Martino;Zucong Cai;Daniel Gwary

  • An approach for estimating net primary productivity and annual carbon inputs to soil for common agricultural crops in Canada

    M.A. Bolinder;H.H. Janzen;E.G. Gregorich;D.A. Angers

  • Soil carbon dynamics and potential carbon sequestration by rangelands

    G.E Schuman;H.H Janzen;J.E Herrick

  • Carbon sequestration in soils

    James P. Bruce;Michele Frome;Eric Haites;Henry Janzen

  • The soil carbon dilemma: Shall we hoard it or use it?

    H.H. Janzen

  • Long-Term Agroecosystem Experiments: Assessing Agricultural Sustainability and Global Change

    Paul E. Rasmussen;Keith W. T. Goulding;James R. Brown;Peter R. Grace

  • Management effects on soil C storage on the Canadian prairies

    H.H Janzen;C.A Campbell;R.C Izaurralde;B.H Ellert

  • Root distribution by depth for temperate agricultural crops

    Jianling Fan;Brian McConkey;Hong Wang;Henry Janzen

  • Life cycle assessment of greenhouse gas emissions from beef production in western Canada: A case study

    Karen A. Beauchemin;H. Henry Janzen;Shannan M. Little;Tim A. McAllister

  • Labile soil organic matter as influenced by cropping practices in an arid environment.

    V.O. Biederbeck;H.H. Janzen;C.A. Campbell;R.P. Zentner

  • Differential response of weed species to added nitrogen

    Robert E. Blackshaw;Randall N. Brandt;H. Henry Janzen;Toby Entz

  • Towards a revised coefficient for estimating N₂O emissions from legumes.

    Philippe Rochette;Henry H. Janzen

  • Sensitivity of total, light fraction and mineralizable organic matter to management practices in a Lethbridge soil

    E. Bremer;H. H. Janzen;A. M. Johnston

  • Storage of Soil Carbon in the Light Fraction and Macroorganic Matter

    E.G. Gregorich;H.H. Janzen

  • The fate of nitrogen in agroecosystems: An illustration using Canadian estimates

    H.H. Janzen;K.A. Beauchemin;Y. Bruinsma;C.A. Campbell

  • Assessment of a Method to Measure Temporal Change in Soil Carbon Storage

    B. H. Ellert;H. H. Janzen;T. Entz

  • Nitrogen fertilizer timing and application method affect weed growth and competition with spring wheat

    Robert E. Blackshaw;Louis J. Molnar;H. Henry Janzen

  • Crop rotation studies on the Canadian prairies.

    C. A. Campbell;R. P. Zenter;H. H. Janzen;K. E. Bowren

Frequent Co-Authors

Edward G. Gregorich
Edward G. Gregorich Agriculture and Agriculture-Food Canada
Francis J. Larney
Francis J. Larney Agriculture and Agriculture-Food Canada
Karen A. Beauchemin
Karen A. Beauchemin Agriculture and Agriculture-Food Canada
C. A. Campbell
C. A. Campbell Agriculture and Agriculture-Food Canada
Tim A. McAllister
Tim A. McAllister Agriculture and Agriculture-Food Canada
Sean M. McGinn
Sean M. McGinn Agriculture and Agriculture-Food Canada
Peter Smith
Peter Smith University of Aberdeen
Brian McConkey
Brian McConkey Viresco Solutions Inc.
Reynald Lemke
Reynald Lemke Agriculture and Agriculture-Food Canada
Rattan Lal
Rattan Lal The Ohio State University

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