World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
43
Citations
7195
World Ranking
3218
National Ranking
810

Carol Shennan 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 Carol Shennan 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: 115 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Carol Shennan 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 Carol Shennan 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: 43 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

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, No-till farming, Organic farming, Agriculture and Nutrient. His Agronomy study incorporates themes from Soil organic matter, Agroecosystem and Nitrogen cycle. His study explores the link between No-till farming and topics such as Sustainable agriculture that cross with problems in Food web.

His studies deal with areas such as Root rot, Soil test, Cultural practice, Phytophthora and Phycomycetes as well as Organic farming. He has researched Agriculture in several fields, including Sustainability and Greenhouse gas. His research integrates issues of Limiting factor, Competition, Weed and Interspecific competition in his study of Nutrient.

His most cited work include:

  • Fundamental Differences Between Conventional and Organic Tomato Agroecosystems in California (407 citations)
  • Changes in Soil Chemical Properties Resulting from Organic and Low-Input Farming Practices (341 citations)
  • Tomato fruit yields and quality under water deficit and salinity. (215 citations)

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

Carol Shennan mainly investigates Agronomy, Horticulture, Cover crop, Agroforestry and Agriculture. His Agronomy research incorporates themes from Soil water and Organic farming. His Horticulture research integrates issues from Salinity and Botany.

His Cover crop study also includes

  • Vicia sativa, Green manure, Manure and Nitrogen deficiency most often made with reference to Fertilizer,
  • Verticillium dahliae that intertwine with fields like Weed control. The study incorporates disciplines such as Agroecosystem, Habitat, Crop and Ecosystem services in addition to Agroforestry. Many of his research projects under Agriculture are closely connected to Business with Business, tying the diverse disciplines of science together.

He most often published in these fields:

  • Agronomy (56.36%)
  • Horticulture (20.00%)
  • Cover crop (17.27%)

What were the highlights of his more recent work (between 2012-2021)?

  • Agronomy (56.36%)
  • Anaerobic exercise (10.91%)
  • Agroforestry (15.45%)

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

Agronomy, Anaerobic exercise, Agroforestry, Crop rotation and Agriculture are his primary areas of study. He has included themes like Soil water and Horticulture in his Agronomy study. His Agroforestry study integrates concerns from other disciplines, such as Biodiversity and Ecosystem services.

The Biodiversity study combines topics in areas such as Agroecosystem, Abundance, Livelihood and Beneficial insects. His work in Agriculture tackles topics such as Sustainability which are related to areas like Agroecology and Environmental resource management. His work carried out in the field of Fumigation brings together such families of science as PEST analysis, Cropping system and Soil solarization.

Between 2012 and 2021, his most popular works were:

  • ANAEROBIC SOIL DISINFESTATION FOR SOIL BORNE DISEASE CONTROL IN STRAWBERRY AND VEGETABLE SYSTEMS: CURRENT KNOWLEDGE AND FUTURE DIRECTIONS (57 citations)
  • Anaerobic Soil Disinfestation (ASD) Combined with Soil Solarization as a Methyl Bromide Alternative: Vegetable Crop Performance and Soil Nutrient Dynamics (42 citations)
  • Coffee landscapes as refugia for native woody biodiversity as forest loss continues in southwest Ethiopia (40 citations)

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

  • Agriculture
  • Ecology
  • Agronomy

Carol Shennan mostly deals with Agroforestry, Agronomy, Biodiversity, Agriculture and Ecosystem services. His Agroforestry research is multidisciplinary, relying on both Soil borne and Current. His Agronomy research includes themes of Inoculation and Plant nutrition.

His Biodiversity study combines topics from a wide range of disciplines, such as Abundance, Diabrotica undecimpunctata and Beneficial insects. His research investigates the connection with Agriculture and areas like Sustainability which intersect with concerns in Subsistence agriculture, Crop diversity, Agricultural biodiversity and Natural resource economics. His biological study spans a wide range of topics, including Agroecosystem, Deforestation and Livelihood.

Best Publications

  • Fundamental Differences Between Conventional and Organic Tomato Agroecosystems in California

    L. E. Drinkwater;D. K. Letourneau;F. Workneh;A. H. C. van Bruggen

  • Changes in Soil Chemical Properties Resulting from Organic and Low-Input Farming Practices

    M. Sean Clark;William R. Horwath;Carol Shennan;Kate M. Scow

  • Tomato fruit yields and quality under water deficit and salinity.

    J.P. Mitchell;C. Shennan;S.R. Grattan;D.M. May

  • Biotic interactions, ecological knowledge and agriculture

    Carol Shennan

  • Nitrogen, weeds and water as yield-limiting factors in conventional, low-input, and organic tomato systems.

    M.Sean Clark;William R. Horwath;Carol Shennan;Kate M. Scow

  • Developmental changes in tomato fruit composition in response to water deficit and salinity

    J. P. Mitchell;C. Shennan;S. R. Grattan

  • Transforming U.S. Agriculture

    J. P. Reganold;Douglas B. Jackson-Smith;S. S. Batie;R. R. Harwood

  • Impact of anaerobic soil disinfestation combined with soil solarization on plant–parasitic nematodes and introduced inoculum of soilborne plant pathogens in raised-bed vegetable production

    David M. Butler;Nancy Kokalis-Burelle;Joji Muramoto;Carol Shennan

  • Transition from conventional to low-input agriculture changes soil fertility and biology

    Kate Scow;Oscar Somasco;Nirmala Gunapala;Sean Lau

  • Variables associated with corky root and phytophthora root rot of tomatoes in organic and conventional farms

    F. Workneh;A. H. C. Van Bruggen;L. E. Drinkwater;C. Shennan

  • Exploring warm-season cover crops as carbon sources for anaerobic soil disinfestation (ASD)

    David M. Butler;Erin N. Rosskopf;Nancy Kokalis-Burelle;Joseph P. Albano

  • Cover crops, nitrogen cycling, and soil properties in semi-irrigated vegetable production systems

    Carol Shennan

  • ANAEROBIC SOIL DISINFESTATION FOR SOIL BORNE DISEASE CONTROL IN STRAWBERRY AND VEGETABLE SYSTEMS: CURRENT KNOWLEDGE AND FUTURE DIRECTIONS

    C. Shennan;J. Muramoto;J. Lamers;M. Mazzola

  • Selenomethionine uptake by wheat seedlings

    M. M. Abrams;C. Shennan;R. J. Zasoski;R. G. Burau

  • Nutritional Management of Microbial Polysaccharide Production and Aggregation in an Agricultural Soil

    Emily B. Roberson;Carol Shennan;Mary K. Firestone;Shlomo Sarig

  • Anaerobic soil disinfestation is an alternative to soil fumigation for control of some soilborne pathogens in strawberry production

    C. Shennan;J. Muramoto;S. Koike;G. Baird

  • Organic and Conventional Agriculture: A Useful Framing?

    Carol Shennan;Timothy J. Krupnik;Graeme Baird;Hamutahl Cohen

  • Anaerobic Soil Disinfestation (ASD) Combined with Soil Solarization as a Methyl Bromide Alternative: Vegetable Crop Performance and Soil Nutrient Dynamics

    David M. Butler;Nancy Kokalis-Burelle;Joseph P. Albano;T. Greg McCollum

  • Coffee landscapes as refugia for native woody biodiversity as forest loss continues in southwest Ethiopia

    Getachew Tadesse;Erika Zavaleta;Carol Shennan

  • Impacts of gypsum and winter cover crops on soil physical properties and crop productivity when irrigated with saline water.

    J.P Mitchell;C Shennan;M.J Singer;D.W Peters

Frequent Co-Authors

Erin N. Rosskopf
Erin N. Rosskopf Agricultural Research Service
Nancy Kokalis-Burelle
Nancy Kokalis-Burelle Agricultural Research Service
Mark Mazzola
Mark Mazzola Stellenbosch University
Steven T. Koike
Steven T. Koike University of California, Berkeley
Jeffrey P. Mitchell
Jeffrey P. Mitchell University of California, Davis
Andrew T. Fisher
Andrew T. Fisher University of California, Santa Cruz
Deborah K. Letourneau
Deborah K. Letourneau University of California, Santa Cruz
Erika S. Zavaleta
Erika S. Zavaleta University of California, Santa Cruz
Laurie E. Drinkwater
Laurie E. Drinkwater Cornell University
A.H.C. van Bruggen
A.H.C. van Bruggen University of Florida

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