World's Best Scientists 2026 revealed!
John P. A. Lamers

John P. A. Lamers

D-Index & Metrics

Environmental Sciences

D-Index
38
Citations
5617
World Ranking
8636
National Ranking
532

John P. A. Lamers publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where John P. A. Lamers sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 186 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

John P. A. Lamers D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where John P. A. Lamers sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 38 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

John P. A. Lamers is affiliated with the University of Bonn in Germany. Their research portfolio spans multiple areas within agricultural and environmental sciences, with a focus on plant and soil interactions, as well as ecosystem management.

Their primary fields of study include Agricultural and Biological Sciences and Environmental Science. Subfields of particular interest in their work are Plant Science, Soil Science, Global and Planetary Change, Environmental Engineering, and Nature and Landscape Conservation.

The main topics addressed in their research encompass:

  • Plant Micronutrient Interactions and Effects
  • Agricultural Science and Fertilization
  • Forest Ecology and Management
  • Agroforestry and Silvopastoral Systems
  • Plant Water Relations and Carbon Dynamics
  • Rice Cultivation and Yield Improvement
  • Hydrology and Watershed Management Studies

John P. A. Lamers has authored several papers, notable recent publications include:

  • Models for estimating aboveground biomass of four dryland woody species in Burkina Faso, West Africa, published in 2020 in the Journal of Arid Environments
  • Boron and zinc fertilizer applications are essential in emerging vegetable-based crop rotations in Nepal, published in 2020 in the Journal of Plant Nutrition and Soil Science
  • Afforestation of Degraded Croplands as a Water-Saving Option in Irrigated Region of the Aral Sea Basin, published in 2021 in Water
  • Diagnosis of zinc and boron availability in emerging vegetable-based crop rotations in Nepal, published in 2020 in the Journal of Plant Nutrition and Soil Science
  • Residual effects of B and Zn fertilizers applied to dry season crops on the performance of the follow-up crop of maize in Nepal, published in 2021 in the Journal of Plant Nutrition and Soil Science

The frequent coauthors collaborating with John P. A. Lamers include Shova Shrestha, M. Becker, Monika Wimmer, Philippe Bayen, and Florent Noulèkoun.

The most common venues for their publications are:

  • Journal of Plant Nutrition and Soil Science
  • Journal of Arid Environments
  • Water
  • Atmosphere
  • IOP Conference Series Earth and Environmental Science

Best Publications

  • Water use efficiency of irrigated cotton in Uzbekistan under drip and furrow irrigation

    Nazirbay Ibragimov;Steven R. Evett;Yusupbek Esanbekov;Bakhtiyor S. Kamilov

  • Privatising agricultural extension: caveat emptor

    A.D Kidd;J.P.A Lamers;P.P Ficarelli;V Hoffmann

  • Groundwater table and salinity: Spatial and temporal distribution and influence on soil salinization in Khorezm region (Uzbekistan, Aral Sea Basin)

    M. Ibrakhimov;A. Khamzina;I. Forkutsa;G. Paluasheva

  • Mapping and assessing water use in a Central Asian irrigation system by utilizing MODIS remote sensing products

    Christopher Conrad;Christopher Conrad;Stefan W. Dech;Stefan W. Dech;Mohsin Hafeez;John Lamers

  • Modeling irrigated cotton with shallow groundwater in the Aral Sea Basin of Uzbekistan: II. Soil salinity dynamics

    I. Forkutsa;Rolf Sommer;Rolf Sommer;Y. I. Shirokova;J. P. A. Lamers

  • Conservation agriculture in Central Asia—What do we know and where do we go from here?

    K.M. Kienzler;J.P.A. Lamers;A. McDonald;A. Mirzabaev

  • Farm Restructuring and Land Consolidation in Uzbekistan: New Farms with Old Barriers

    N. Djanibekov;K. van Assche;I. Bobojonov;J.P.A. Lamers

  • Mapping abandoned agricultural land in Kyzyl-Orda, Kazakhstan using satellite remote sensing

    Fabian Löw;Elisabeth Fliemann;Iskandar Abdullaev;Christopher Conrad

  • Assessing the potential of trees for afforestation of degraded landscapes in the Aral Sea Basin of Uzbekistan.

    A. Khamzina;J. P. A. Lamers;M. Worbes;E. Botman

  • Tillage and nitrogen fertilization effects on yield and nitrogen use efficiency of irrigated cotton

    M. Devkota;C. Martius;J.P.A. Lamers;K.D. Sayre

  • Tree establishment under deficit irrigation on degraded agricultural land in the lower Amu Darya River region, Aral Sea Basin

    A. Khamzina;J.P.A. Lamers;P.L.G. Vlek

  • Modeling irrigated cotton with shallow groundwater in the Aral Sea Basin of Uzbekistan: I. Water dynamics

    I. Forkutsa;Rolf Sommer;Rolf Sommer;Y. I. Shirokova;J. P. A. Lamers

  • Impacts of 1.5 versus 2.0 °C on cereal yields in the West African Sudan Savanna

    Babacar Faye;Heidi A. Webber;Jesse B. Naab;Dilys S. MacCarthy

  • Mapping Cropland Abandonment in the Aral Sea Basin with MODIS Time Series

    Fabian Löw;Alexander V. Prishchepov;François Waldner;Olena Dubovyk

  • Managing soil salinity with permanent bed planting in irrigated production systems in Central Asia

    M. Devkota;C. Martius;R.K. Gupta;K.P. Devkota

  • Measuring rural settlement expansion in Uzbekistan using remote sensing to support spatial planning

    C. Conrad;M. Rudloff;I. Abdullaev;M. Thiel

  • Farmers' knowledge and management of spatial soil and crop growth variability in Niger, West Africa

    J.P.A. Lamers;P.R. Feil

  • Reducing topsoil salinity and raising carbon stocks through afforestation in Khorezm, Uzbekistan

    C. Hbirkou;C. Martius;A. Khamzina;J.P.A. Lamers

  • The relationship between N2O, NO, and N2 fluxes from fertilized and irrigated dryland soils of the Aral Sea Basin, Uzbekistan.

    Clemens Scheer;Reiner Wassmann;Klaus Butterbach-Bahl;John P. A. Lamers

  • Nitrogen fixation by Elaeagnus angustifolia in the reclamation of degraded croplands of Central Asia.

    Asia Khamzina;John P.A. Lamers;Paul L.G. Vlek

  • Soil erosion and deposition effects on surface characteristics and pearl millet growth in the West African Sahel

    A. Buerkert;J. P. A. Lamers

Frequent Co-Authors

Christopher Martius
Christopher Martius Center for International Forestry Research, Germany
Paul L. G. Vlek
Paul L. G. Vlek University of Bonn
Stefan Dech
Stefan Dech German Aerospace Center
Mathias Becker
Mathias Becker University of Bonn
Martin Worbes
Martin Worbes University of Göttingen
Michael R. Rosen
Michael R. Rosen United States Geological Survey
Manfred Lenzen
Manfred Lenzen University of Sydney
Reiner Wassmann
Reiner Wassmann International Atomic Energy Agency
Andreas Buerkert
Andreas Buerkert University of Kassel
Gerrit Hoogenboom
Gerrit Hoogenboom University of Florida

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