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Hans-Werner Koyro

Hans-Werner Koyro

D-Index & Metrics

Plant Science and Agronomy

D-Index
39
Citations
6747
World Ranking
4103
National Ranking
256

Hans-Werner Koyro 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 Hans-Werner Koyro 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: 109 publications — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Hans-Werner Koyro 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 Hans-Werner Koyro 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: 39 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Best Publications

  • Effect of salinity on growth, photosynthesis, water relations and solute composition of the potential cash crop halophyte Plantago coronopus (L.)

    H.-W. Koyro

  • Plant growth improvement mediated by nitrate capture in co-composted biochar

    Claudia I. Kammann;Hans-Peter Schmidt;Nicole Messerschmidt;Sebastian Linsel

  • Influence of biochar on drought tolerance of Chenopodium quinoa Willd and on soil–plant relations

    Claudia Irene Kammann;Claudia Irene Kammann;Sebastian Linsel;Johannes W. Gößling;Hans-Werner Koyro

  • Effect of salinity on composition, viability and germination of seeds of Chenopodium quinoa Willd

    Hans-Werner Koyro;Sayed Said Eisa

  • Biochar but not humic acid product amendment affected maize yields via improving plant-soil moisture relations

    Ghulam Haider;Hans-Werner Koyro;Farooqe Azam;Diedrich Steffens

  • Phytodesalination of a salt-affected soil with the halophyte Sesuvium portulacastrum L. to arrange in advance the requirements for the successful growth of a glycophytic crop.

    Mokded Rabhi;Siwar Ferchichi;Jihène Jouini;Mohamed Hédi Hamrouni

  • Interactive effects of NaCl salinity and elevated atmospheric CO2 concentration on growth, photosynthesis, water relations and chemical composition of the potential cash crop halophyte Aster tripolium L.

    N. Geissler;S. Hussin;H.-W. Koyro

  • Abiotic Stress Responses in Plants: An Overview

    Hans-Werner Koyro;Parvaiz Ahmad;Nicole Geissler

  • Photosynthetic and growth responses of a perennial halophytic grass Panicum turgidum to increasing NaCl concentrations

    Hans-Werner Koyro;Tabassum Hussain;Tabassum Hussain;Bernhard Huchzermeyer;M. Ajmal Khan

  • Leaf H+-ATPase activity and photosynthetic capacity of Cakile maritima under increasing salinity

    Ahmed Debez;Dhouha Saadaoui;Balasubramanian Ramani;Zeineb Ouerghi

  • Compartmental nitrate concentrations in barley root cells measured with nitrate-selective microelectrodes and by single-cell sap sampling

    R G Zhen;H W Koyro;R A Leigh;A D Tomos

  • Effect of NaCl salinity on water relations, photosynthesis and chemical composition of Quinoa ('Chenopodium quinoa' Willd.) as a potential cash crop halophyte

    S Eisa;S Hussin;N Geissler;HW Koyro

  • Elevated atmospheric CO2 concentration ameliorates effects of NaCl salinity on photosynthesis and leaf structure of Aster tripolium L.

    Nicole Geissler;Sayed Hussin;Hans-Werner Koyro

  • Biochar-plant interaction and detoxification strategies under abiotic stresses for achieving agricultural resilience: A critical review.

    Unknown

  • Halophytic crops: a resource for the future to reduce the water crisis?

    Hans-Werner Koyro;M. Ajmal Khan;Helmut Lieth

  • Biochar reduces copper toxicity in Chenopodium quinoa Willd. In a sandy soil.

    Wolfram Buss;Claudia Kammann;Hans-Werner Koyro

  • Ameliorating effects of biochar on photosynthetic efficiency and antioxidant defence of Phragmites karka under drought stress.

    Zainul Abideen;Zainul Abideen;Hans‐Werner Koyro;Bernhard Huchzermeyer;Raziuddin Ansari

  • Elevated atmospheric CO2 concentration enhances salinity tolerance in Aster tripolium L.

    Nicole Geissler;Sayed Hussin;Sayed Hussin;Hans-Werner Koyro

  • Impact of a biochar or a biochar-compost mixture on water relation, nutrient uptake and photosynthesis of Phragmites karka

    Zainul Abideen;Zainul Abideen;Hans-Werner Koyro;Bernhard Huchzermeyer;Bilquees Gul

  • Moderate salinity stimulates growth and photosynthesis of Phragmites karka by water relations and tissue specific ion regulation

    Zainul Abideen;Zainul Abideen;Hans-Werner Koyro;Bernhard Huchzermeyer;Muhammad Zaheer Ahmed

  • Relationship between the photosynthetic activity and the performance of Cakile maritima after long‐term salt treatment

    Ahmed Debez;Hans-Werner Koyro;Claude Grignon;Chedly Abdelly

  • Ultrastructural and physiological changes in root cells of Sorghum plants (Sorghum bicolor × S. sudanensis cv. Sweet Sioux) induced by NaCl

    Hans-Werner Koyro

Frequent Co-Authors

Claudia Kammann
Claudia Kammann Hochschule Geisenheim University
Chedly Abdelly
Chedly Abdelly Center of Biotechnogy of Borj Cédria
M. Ajmal Khan
M. Ajmal Khan University of Karachi
Bilquees Gul
Bilquees Gul University of Karachi
Ahmed Debez
Ahmed Debez University of Hannover
Christoph Müller
Christoph Müller Potsdam Institute for Climate Impact Research
Tim J. Clough
Tim J. Clough Lincoln University
Bernhard Spengler
Bernhard Spengler University of Giessen
Annamaria Ranieri
Annamaria Ranieri University of Pisa
Kadambot H. M. Siddique
Kadambot H. M. Siddique University of Western Australia

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