World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
62
Citations
27890
World Ranking
1073
National Ranking
290

Paul J. Kramer 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 Paul J. Kramer 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: 182 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Paul J. Kramer 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 Paul J. Kramer 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: 62 D-Index — 84th percentile

84% 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

  • 1962 - Member of the National Academy of Sciences
  • 1933 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Agronomy

Paul J. Kramer spends much of his time researching Agronomy, Botany, Water stress, Horticulture and Transpiration. His Agronomy research includes themes of Soil water and Woody plant. His research in Soil water intersects with topics in Crop and Water content.

His study in Botany is interdisciplinary in nature, drawing from both Ecology and Carbon dioxide. His study in the field of Root system also crosses realms of Water transport. His research integrates issues of Sunflower, Helianthus annuus, Water deficit and Thermometer in his study of Transpiration.

His most cited work include:

  • Physiology of Woody Plants. (1804 citations)
  • Water Relations of Plants and Soils (1558 citations)
  • The Physiological Ecology of Woody Plants (1191 citations)

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

His primary scientific interests are in Agronomy, Horticulture, Botany, Water stress and Absorption of water. His Agronomy research integrates issues from Photosynthesis, Leaf water and Plant physiology. His Horticulture research includes elements of Water content and Transpiration.

His Transpiration research incorporates elements of Sunflower and Helianthus annuus. His Botany research is multidisciplinary, relying on both Ecology and Biophysics. The various areas that Paul J. Kramer examines in his Absorption of water study include Environmental chemistry and Xylem.

He most often published in these fields:

  • Agronomy (27.78%)
  • Horticulture (25.93%)
  • Botany (25.31%)

What were the highlights of his more recent work (between 1978-2015)?

  • Agronomy (27.78%)
  • Horticulture (25.93%)
  • Botany (25.31%)

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

His primary areas of study are Agronomy, Horticulture, Botany, Water stress and Transpiration. In most of his Agronomy studies, his work intersects topics such as Osmotic pressure. The Horticulture study combines topics in areas such as Photosynthesis and Absorption of water.

Botany and Ecology are frequently intertwined in his study. His Water stress study integrates concerns from other disciplines, such as Adaptation, Stress, Irrigation and Wilting. He usually deals with Transpiration and limits it to topics linked to Water content and Water binding, Spin–lattice relaxation and Soil water.

Between 1978 and 2015, his most popular works were:

  • Physiology of Woody Plants. (1804 citations)
  • Water Relations of Plants and Soils (1558 citations)
  • The Physiological Ecology of Woody Plants (1191 citations)

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

  • Botany
  • Ecology
  • Agriculture

His main research concerns Agronomy, Horticulture, Botany, Transpiration and Water stress. His Agronomy research is multidisciplinary, incorporating perspectives in Soil water and Acclimatization. His Horticulture research focuses on Photosynthesis and how it relates to Point of delivery, Cultivar, Dry matter and Chemical reaction.

Paul J. Kramer has researched Botany in several fields, including Adaptation and Carbon dioxide. His studies deal with areas such as Sunflower, Helianthus annuus, Water supply and Water content as well as Transpiration. His work deals with themes such as Ecology, Plant morphology and Stress, which intersect with Water stress.

Best Publications

  • Physiology of Woody Plants.

    P. G. Jarvis;Paul J. Kramer;Theodore T. Kozlowski

  • Water Relations of Plants and Soils

    Paul Jackson Kramer;John S. Boyer

  • The Physiological Ecology of Woody Plants

    Theodore T. Kozlowski;Paul J. Kramer;Stephen G. Pallardy

  • Water relations of plants

    Paul Jackson Kramer

  • Physiology of Trees

    Paul J. Kramer;Theodore T. Kozlowski

  • Adaptation of plants to water and high temperature stress

    Neil C. Turner;Paul Jackson Kramer

  • Plant and soil water relationships: a modern synthesis.

    Paul Jackson Kramer

  • Carbon Dioxide Concentration, Photosynthesis, and Dry Matter Production

    Paul J. Kramer

  • Plant and soil water relationships.

    Paul Jackson Kramer

  • Effect of Water Stress During Different Stages of Growth of Soybean1

    Nasser Sionit;Paul J. Kramer

  • Changing concepts regarding plant water relations

    P. J. Kramer

  • CAUSES OF INJURY TO PLANTS RESULTING FROM FLOODING OF THE SOIL.

    Paul J. Kramer

  • Drought, stress, and the origin of adaptations.

    P. J. Kramer

  • Adaptive significance of stomatal responses to water stress.

    M. M. Ludlow;N. C. Turner;P. J. Kramer

  • Effects of High Atmospheric CO2 and Sink Size on Rates of Photosynthesis of a Soybean Cultivar

    John M. Clough;Mary M. Peet;Paul J. Kramer

  • Effect of temperature on water and ion transport in soybean and broccoli systems.

    Albert H. Markhart;Edwin L. Fiscus;Aubrey W. Naylor;Paul J. Kramer

  • SEASONAL VARIATIONS IN THE PROPORTIONS OF SUBERIZED AND UNSUBERIZED ROOTS OF TREES IN RELATION TO THE ABSORPTION OF WATER

    Paul J. Kramer;Paul J. Kramer;Henry C. Bullock;Henry C. Bullock

  • Morphological adaptations of leaves to water stress.

    J. E. Begg;N. C. Turner;P. J. Kramer

  • Dynamic analysis of water stress of sunflower leaves by means of a thermal image processing system.

    Yasushi Hashimoto;Taketoshi Ino;Paul J. Kramer;Aubrey W. Naylor

  • Causes of Injury to Flooded Tobacco Plants.

    Paul J. Kramer;William T. Jackson

  • Comparative water uptake by roots of different ages in seedlings of loblolly pine (Pinus taeda L.)

    J. S. Macfall;G. A. Johnson;P. J. Kramer

  • Behavior of Corn and Sorghum under Water Stress and during Recovery.

    Manuel F. Sanchez-Diaz;Paul J. Kramer

  • CAUSES OF DECREASED ABSORPTION OF WATER BY PLANTS IN POORLY AERATED MEDIA

    Paul J. Kramer

  • SPECIES DIFFERENCES WITH RESPECT TO WATER ABSORPTION AT LOW SOIL TEMPERATURES

    Paul J. Kramer

  • Transpiration and the Ascent of Sap

    Paul J. Kramer;John S. Boyer

  • 12 – Water Deficits and Plant Growth

    Paul J. Kramer

  • The Physiological Ecology of Woody Plants.

    M. Black;T. T. Kozlowski;P. J. Kramer;S. G. Pallardy

Frequent Co-Authors

John S. Boyer
John S. Boyer University of Missouri
Boyd R. Strain
Boyd R. Strain Duke University
Theodore T. Kozlowski
Theodore T. Kozlowski University of California, Santa Barbara
Neil C. Turner
Neil C. Turner University of Western Australia
G. Allan Johnson
G. Allan Johnson Duke University
Edwin L. Fiscus
Edwin L. Fiscus North Carolina State University
Stephen G. Pallardy
Stephen G. Pallardy University of Missouri
C. David Raper
C. David Raper North Carolina State University
Kenji Omasa
Kenji Omasa University of Tokyo
Merrill R. Kaufmann
Merrill R. Kaufmann US Forest Service

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