World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
46
Citations
11248
World Ranking
2630
National Ranking
1

Theib Oweis 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 Theib Oweis 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: 132 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

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

Theib Oweis 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 Theib Oweis 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: 46 D-Index — 60th percentile

60% 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
  • Irrigation
  • Ecology

His primary areas of study are Irrigation, Water use, Water-use efficiency, Agronomy and Evapotranspiration. His Deficit irrigation and Irrigation management investigations are all subjects of Irrigation research. The concepts of his Deficit irrigation study are interwoven with issues in Farm water and Agricultural productivity.

His biological study spans a wide range of topics, including Arid and Water resource management. His Evapotranspiration study deals with Crop yield intersecting with Crop rotation and Water content. Theib Oweis has included themes like Water conservation, Water resources and Rainwater harvesting in his Rainfed agriculture study.

His most cited work include:

  • Irrigation management under water scarcity (588 citations)
  • Improving agricultural water productivity: Between optimism and caution (424 citations)
  • Managing water in rainfed agriculture—The need for a paradigm shift (384 citations)

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

Irrigation, Agronomy, Rainwater harvesting, Water-use efficiency and Water resource management are his primary areas of study. He combines subjects such as Water use, Crop yield and Evapotranspiration with his study of Irrigation. His work is dedicated to discovering how Agronomy, Salinity are connected with Drought tolerance and other disciplines.

In his study, Soil water, Watershed and Ecosystem is strongly linked to Surface runoff, which falls under the umbrella field of Rainwater harvesting. The study incorporates disciplines such as Dry matter and Poaceae in addition to Water-use efficiency. His Water resource management study combines topics from a wide range of disciplines, such as Water quality, Farm water, Water scarcity and Hydrology.

He most often published in these fields:

  • Irrigation (47.58%)
  • Agronomy (35.48%)
  • Rainwater harvesting (25.00%)

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

  • Irrigation (47.58%)
  • Environmental planning (8.06%)
  • Agriculture (12.90%)

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

Theib Oweis mainly focuses on Irrigation, Environmental planning, Agriculture, Crop yield and Agronomy. His Irrigation research includes elements of Water resource management, Agricultural productivity, Rainwater harvesting and Water resources. His study looks at the relationship between Water resources and fields such as Drainage basin, as well as how they intersect with chemical problems.

His study in Agriculture is interdisciplinary in nature, drawing from both Resource management and Sustainable development. While the research belongs to areas of Crop yield, Theib Oweis spends his time largely on the problem of Agroforestry, intersecting his research to questions surrounding Irrigation scheduling, Water stress and Food security. His studies deal with areas such as Olea and Water content as well as Agronomy.

Between 2012 and 2021, his most popular works were:

  • Priming effect of (13)C-labelled wheat straw in no-tillage soil under drying and wetting cycles in the Loess Plateau of China. (16 citations)
  • Rainwater harvesting for restoring degraded dry agro-pastoral ecosystems: a conceptual review of opportunities and constraints in a changing climate (12 citations)
  • Supplemental irrigation potential and impact on downstream flow of Karkheh River basin in Iran (11 citations)

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

  • Agriculture
  • Ecology
  • Irrigation

His scientific interests lie mostly in Irrigation, Environmental planning, Water resources, Crop yield and Surface water. His Irrigation research is multidisciplinary, incorporating perspectives in Agriculture and Resource management. His research in Environmental planning intersects with topics in Agroforestry, Soil conservation, Rainwater harvesting and Livelihood.

He interconnects Traditional knowledge, Rangeland, Ecosystem and Surface runoff in the investigation of issues within Rainwater harvesting. His Crop yield study combines topics in areas such as Stem elongation, Grain yield and Durum Wheats. His research integrates issues of Drainage basin, Streamflow and Deficit irrigation, Irrigation statistics in his study of Surface water.

Best Publications

  • Irrigation management under water scarcity

    Luis Santos Pereira;Theib Oweis;Abdelaziz Zairi

  • Improving agricultural water productivity: Between optimism and caution

    David Molden;Theib Oweis;Pasquale Steduto;Prem Bindraban

  • Managing water in rainfed agriculture—The need for a paradigm shift

    Johan Rockström;Louise Karlberg;Suhas P. Wani;Jennie Barron

  • Water–yield relations and optimal irrigation scheduling of wheat in the Mediterranean region

    Heping Zhang;Theib Oweis

  • Water harvesting and supplemental irrigation for improved water productivity of dry farming systems in West Asia and North Africa

    Theib Oweis;Ahmed Hachum

  • Water Harvesting and Supplemental Irrigation for Improved Water Use Efficiency in Dry Areas

    Theib Y. Oweis;A. Hachum;J. Kijne

  • Parameterization and Evaluation of the AquaCrop Model for Full and Deficit Irrigated Cotton

    Hamid J. Farahani;Gabriella Izzi;Theib Y. Oweis

  • Water Use Efficiency of Rainfed and Irrigated Bread Wheat in a Mediterranean Environment

    Theib Oweis;Heping Zhang;Mustafa Pala

  • Rainfed Agriculture: Unlocking the Potential

    Suhas P. Wani;Johan Rockström;Theib Y. Oweis

  • SUPPLEMENTAL IRRIGATION A HIGHLY EFFICIENT WATER-USE PRACTICE

    Theib Oweis

  • Stabilizing Rainfed Wheat Yields with Supplemental Irrigation and Nitrogen in a Mediterranean Climate

    Theib Oweis;Mustafa Pala;John Ryan

  • Water-use efficiency and transpiration efficiency of wheat under rain-fed conditions and supplemental irrigation in a Mediterranean-type environment

    Heping Zhang;Theib Y. Oweis;Sonia Garabet;Mustafa Pala

  • Managing water in rainfed agriculture

    J. Rockstrom;N. Hatibu;T. Y. Oweis;S. Wani

  • Water use and water-use efficiency of chickpea and lentil in a Mediterranean environment

    H. Zhang;M. Pala;T. Oweis;H. Harris

  • The role of supplemental irrigation and nitrogen in producing bread wheat in the highlands of Iran

    Ali Reza Tavakkoli;Theib Y Oweis

  • Water harvesting: indigenous knowledge for the future of the drier environments

    Theib Oweis;Dieter Prinz;Ahmed Hachum

  • Improving Water Productivity in the Dry Areas of West Asia and North Africa

    T. Y. Oweis;A. Y. Hachum;J. W. Kijne;R. Barker

  • Durum wheat and barley productivity in saline-drought environments.

    Nader Katerji;M. Mastrorilli;J.W. Van Hoorn;F.Z. Lahmer

  • Yield and water-production functions of two durum wheat cultivars grown under different irrigation and nitrogen regimes

    Fadi Karam;Rabih Kabalan;Joêlle Breidi;Youssef Rouphael

  • Lentil production under supplemental irrigation in a Mediterranean environment

    Theib Oweis;Ahmed Hachum;Mustafa Pala

  • Reducing peak supplemental irrigation demand by extending sowing dates

    Theib Oweis;Ahmed Hachum

Frequent Co-Authors

Nader Katerji
Nader Katerji INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Marcello Mastrorilli
Marcello Mastrorilli The Canadian Real Estate Association
Johan Rockström
Johan Rockström Potsdam Institute for Climate Impact Research
Piero Lionello
Piero Lionello University of Salento
Suhas P. Wani
Suhas P. Wani International Crops Research Institute for the Semi-Arid Tropics
Marco Bindi
Marco Bindi University of Florence
Roberto Ferrise
Roberto Ferrise University of Florence
Claudia Ringler
Claudia Ringler International Food Policy Research Institute
Clare M. Goodess
Clare M. Goodess University of East Anglia
Mutasem El-Fadel
Mutasem El-Fadel Khalifa University

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