World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
64
Citations
18038
World Ranking
966
National Ranking
89

Richard J. Haynes 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 Richard J. Haynes 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: 161 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Richard J. Haynes 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 Richard J. Haynes 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: 64 D-Index — 85th percentile

85% 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:

  • Ecology
  • Organic chemistry
  • Biochemistry

His scientific interests lie mostly in Organic matter, Agronomy, Soil water, Soil organic matter and Environmental chemistry. His Organic matter study combines topics in areas such as Fertilizer, Nitrogen cycle and Mineralization. His work deals with themes such as Soil chemistry and Incubation, which intersect with Agronomy.

He has researched Soil water in several fields, including Lime, Nutrient and Manure. His work carried out in the field of Soil organic matter brings together such families of science as Humus, Pasture, Soil management, Biomass and No-till farming. His Environmental chemistry study integrates concerns from other disciplines, such as Soil contamination, Adsorption, Sorption, Municipal solid waste and Biosolids.

His most cited work include:

  • Effects of irrigation-induced salinity and sodicity on soil microbial activity (593 citations)
  • Labile Organic Matter Fractions as Central Components of the Quality of Agricultural Soils: An Overview (584 citations)
  • Amelioration of Al toxicity and P deficiency in acid soils by additions of organic residues: a critical review of the phenomenon and the mechanisms involved (398 citations)

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

Agronomy, Soil water, Environmental chemistry, Organic matter and Soil organic matter are his primary areas of study. His studies in Agronomy integrate themes in fields like Biomass and Soil pH. His research in Soil water tackles topics such as Crop which are related to areas like Soil test.

His Environmental chemistry study incorporates themes from Red mud, Adsorption, Gypsum, Alkalinity and Biosolids. His Organic matter research integrates issues from Humus, Fertilizer, Leaching, Mineralization and Nitrogen cycle. His Soil organic matter research is multidisciplinary, incorporating perspectives in Soil biology, Soil type, No-till farming and Pasture.

He most often published in these fields:

  • Agronomy (56.44%)
  • Soil water (42.57%)
  • Environmental chemistry (31.68%)

What were the highlights of his more recent work (between 2014-2020)?

  • Environmental chemistry (31.68%)
  • Adsorption (15.84%)
  • Inorganic chemistry (8.91%)

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

Richard J. Haynes mostly deals with Environmental chemistry, Adsorption, Inorganic chemistry, Bauxite and Soil water. His research integrates issues of Fertilizer, Nitrification, Gypsum, Alkalinity and Biosolids in his study of Environmental chemistry. His Biosolids study frequently draws parallels with other fields, such as Organic matter.

His Organic matter research incorporates elements of Raw material and Green waste, Compost. Richard J. Haynes interconnects Wastewater and Water treatment in the investigation of issues within Adsorption. His research in Soil water intersects with topics in Agronomy, Crop and Silicic acid.

Between 2014 and 2020, his most popular works were:

  • Potential for use of industrial waste materials as filter media for removal of Al, Mo, As, V and Ga from alkaline drainage in constructed wetlands – Adsorption studies (38 citations)
  • Use of Industrial Wastes as Media in Constructed Wetlands and Filter Beds—Prospects for Removal of Phosphate and Metals from Wastewater Streams (36 citations)
  • The nature of biogenic Si and its potential role in Si supply in agricultural soils (34 citations)

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

  • Ecology
  • Organic chemistry
  • Biochemistry

His primary scientific interests are in Soil water, Adsorption, Inorganic chemistry, Soil test and Crop residue. His Soil water study frequently draws connections to other fields, such as Silicic acid. His Adsorption study combines topics from a wide range of disciplines, such as Wastewater, Water treatment, Environmental engineering and Ground granulated blast-furnace slag.

The Wastewater study combines topics in areas such as Organic matter, Freundlich equation, Sewage treatment and Filter. The concepts of his Inorganic chemistry study are interwoven with issues in Environmental chemistry and Bauxite. The study incorporates disciplines such as Agronomy, Crop, Shoot, Annual plant and Straw in addition to Soil test.

Best Publications

  • Labile Organic Matter Fractions as Central Components of the Quality of Agricultural Soils: An Overview

    RJ Haynes

  • Effects of irrigation-induced salinity and sodicity on soil microbial activity

    D.N Rietz;R.J Haynes

  • Amelioration of Al toxicity and P deficiency in acid soils by additions of organic residues: a critical review of the phenomenon and the mechanisms involved

    RJ Haynes;Mokolobate

  • Influence of six crop species on aggregate stability and some labile organic matter fractions

    R.J. Haynes;Michael H. Beare

  • A contemporary overview of silicon availability in agricultural soils

    Richard J. Haynes

  • Reclamation and revegetation of fly ash disposal sites – Challenges and research needs

    R.J. Haynes

  • Soil organic matter content and quality: effects of fertilizer applications, burning and trash retention on a long-term sugarcane experiment in South Africa

    M.H. Graham;R.J. Haynes;J.H. Meyer

  • Changes in microbial biomass C, soil carbohydrate composition and aggregate stability induced by growth of selected crop and forage species under field conditions

    Unknown

  • Size, activity and catabolic diversity of the soil microbial biomass as affected by land use

    D Nsabimana;R.J Haynes;F.M Wallis

  • Effect of amendment of bauxite processing sand with organic materials on its chemical, physical and microbial properties.

    B. E. H. Jones;R. J. Haynes;I. R. Phillips

  • Bauxite Processing Residue: A Critical Review of Its Formation, Properties, Storage, and Revegetation

    B. E. H. Jones;R. J. Haynes

  • Burning causes long-term changes in soil organic matter content of a South African grassland

    R.W.S. Fynn;R.J. Haynes;T.G. O'Connor

  • Optimization of soil physical and chemical conditions for the bioremediation of creosote-contaminated soil

    H. I. Atagana;R. J. Haynes;F. M. Wallis

  • Changes in soil chemistry and aggregate stability induced by fertilizer applications, burning and trash retention on a long‐term sugarcane experiment in South Africa

    M. H. Graham;R. J. Haynes;J. H. Meyer

  • Chemical, microbial and physical properties of manufactured soils produced by co-composting municipal green waste with coal fly ash.

    O.N. Belyaeva;R.J. Haynes

  • Removal of Pb(II), Cr(III) and Cr(VI) from Aqueous Solutions Using Alum-Derived Water Treatment Sludge

    Ya-Feng Zhou;Richard John Haynes

  • Comparative liming effect of four organic residues applied to an acid soil

    M. S. Mokolobate;R. J. Haynes

  • Barley yield and soil microbial and enzyme activities as affected by contamination of two soils with lead, zinc or copper

    O. N. Belyaeva;R. J. Haynes;O. A. Birukova

  • Inorganic and organic constituents and contaminants of biosolids: Implications for land application

    R. J. Haynes;G. Murtaza;G. Murtaza;R. Naidu

  • Loss of soil organic matter and related soil properties under long-term sugarcane production on two contrasting soils

    CS Dominy;RJ Haynes;R van Antwerpen

  • Evaluation of industrial wastes as sources of fertilizer silicon using chemical extractions and plant uptake

    Richard J. Haynes;O. N. Belyaeva;G. Kingston

  • Organic matter accumulation and fertilizer-induced acidification interact to affect soil microbial and enzyme activity on a long-term sugarcane management experiment

    M. H. Graham;R. J. Haynes

  • Effect of agricultural land use on soil organic matter status and the composition of earthworm communities in KwaZulu-Natal, South Africa

    R.J. Haynes;C.S. Dominy;M.H. Graham

  • Catabolic diversity of soil microbial communities under sugarcane and other land uses estimated by Biolog and substrate-induced respiration methods

    M.H. Graham;R.J. Haynes

  • Fungal Bioremediation of Creosote-Contaminated Soil: A Laboratory Scale Bioremediation Study Using Indigenous Soil Fungi

    Harrison Ifeanychukwu Atagana;R. J. Haynes;F. M. Wallis

  • Effect of Organic Amendments on Soil ph and al Solubility and Use of Laboratory Indices to Predict Their Liming Effect

    F. X. Naramabuye;Richard J. Haynes

  • Organic matter status and the size, activity and metabolic diversity of the soil microbial community in the row and inter-row of sugarcane under burning and trash retention

    M.H. Graham;R.J. Haynes

  • Mineralization of soil organic P induced by drying and rewetting as a source of plant-available P in limed and unlimed samples of an acid soil

    C.K. Chepkwony;R.J. Haynes;R.J. Haynes;R.S. Swift;R. Harrison

  • The nature of biogenic Si and its potential role in Si supply in agricultural soils

    Richard J. Haynes

Frequent Co-Authors

Ravi Naidu
Ravi Naidu University of Newcastle Australia
Albert T. Modi
Albert T. Modi Walter Sisulu University
Timothy G. O’Connor
Timothy G. O’Connor University of the Witwatersrand
Nanthi Bolan
Nanthi Bolan University of Western Australia
Chengrong Chen
Chengrong Chen Griffith University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Richard J. Haynes

Trending Scientists

Recently Published Articles