World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
51
Citations
10639
World Ranking
1999
National Ranking
158

Overview

What is she best known for?

The fields of study she is best known for:

  • Ecology
  • Botany
  • Agriculture

Megan H. Ryan mainly investigates Agronomy, Pasture, Rhizosphere, Colonisation and Crop. The study incorporates disciplines such as Soil water, Nutrient and Organic farming in addition to Agronomy. She combines subjects such as Legume and Plant nutrition with her study of Pasture.

Her Rhizosphere research incorporates themes from Inoculation, Citric acid, Water-use efficiency, Dry weight and Root system. Her studies deal with areas such as Field experiment, Agroforestry, Agriculture, Mycorrhiza and Sustainability as well as Colonisation. The Crop study which covers Yield that intersects with Crop yield.

Her most cited work include:

  • Plant and microbial strategies to improve the phosphorus efficiency of agriculture (476 citations)
  • Strategies and agronomic interventions to improve the phosphorus-use efficiency of farming systems (232 citations)
  • Is there a role for arbuscular mycorrhizal fungi in production agriculture (213 citations)

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

Megan H. Ryan mainly focuses on Agronomy, Pasture, Botany, Perennial plant and Trifolium subterraneum. The concepts of her Agronomy study are interwoven with issues in Agroforestry, Soil water and Rhizosphere. Her studies examine the connections between Agroforestry and genetics, as well as such issues in Agriculture, with regards to Sustainability.

Her studies in Pasture integrate themes in fields like Canola, Nutrient, Plant nutrition and Crop. She works mostly in the field of Botany, limiting it down to topics relating to Colonisation and, in certain cases, Mycorrhiza, Lolium rigidum and Tillage, as a part of the same area of interest. Her study looks at the relationship between Perennial plant and fields such as Stomatal conductance, as well as how they intersect with chemical problems.

She most often published in these fields:

  • Agronomy (68.36%)
  • Pasture (32.77%)
  • Botany (24.86%)

What were the highlights of her more recent work (between 2018-2021)?

  • Agronomy (68.36%)
  • Horticulture (10.17%)
  • Trifolium subterraneum (19.21%)

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

Megan H. Ryan spends much of her time researching Agronomy, Horticulture, Trifolium subterraneum, Pasture and Botany. While working on this project, Megan H. Ryan studies both Agronomy and Plant root. Her work on Cultivar, Shoot and Dry weight as part of general Horticulture research is frequently linked to Aluminium, bridging the gap between disciplines.

Her Cultivar research is multidisciplinary, relying on both Ipomoea and Rhizosphere. Her research in Shoot intersects with topics in Waterlogging and Stomatal conductance. Her Pasture research includes elements of Legume and Germplasm.

Between 2018 and 2021, her most popular works were:

  • Tradeoffs among root morphology, exudation and mycorrhizal symbioses for phosphorus-acquisition strategies of 16 crop species. (51 citations)
  • Soil types select for plants with matching nutrient-acquisition and -use traits in hyperdiverse and severely nutrient-impoverished campos rupestres and cerrado in Central Brazil (23 citations)
  • Oxygen loss from seagrass roots coincides with colonisation of sulphide-oxidising cable bacteria and reduces sulphide stress (22 citations)

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

  • Ecology
  • Agriculture
  • Botany

Her main research concerns Agronomy, Root morphology, Symbiosis, Agriculture and Root system. Her Agronomy research is mostly focused on the topic Trifolium subterraneum. Her research integrates issues of Biomass, Herbaceous plant, Colonization and Interspecific competition in her study of Root morphology.

Her work on Food security and Agricultural policy as part of her general Agriculture study is frequently connected to Arbuscular mycorrhizal symbiosis and Population growth, thereby bridging the divide between different branches of science. As part of one scientific family, Megan H. Ryan deals mainly with the area of Root system, narrowing it down to issues related to the Cultivar, and often Rhizosphere. Her work carried out in the field of Rhizosphere brings together such families of science as Diffusive gradients in thin films, Seagrass, Zostera muelleri, Microbial metabolism and Ipomoea.

Best Publications

  • Plant and microbial strategies to improve the phosphorus efficiency of agriculture

    Alan E. Richardson;Alan E. Richardson;Jonathan P. Lynch;Peter R. Ryan;Emmanuel Delhaize

  • Strategies and agronomic interventions to improve the phosphorus-use efficiency of farming systems

    Richard J. Simpson;Astrid Oberson;Richard A. Culvenor;Megan H. Ryan

  • Break crops and rotations for wheat

    J.F. Angus;J.F. Angus;J.A. Kirkegaard;J.A. Kirkegaard;J.R. Hunt;J.R. Hunt;Megan Ryan

  • Tradeoffs among root morphology, exudation and mycorrhizal symbioses for phosphorus-acquisition strategies of 16 crop species.

    Zhihui Wen;Zhihui Wen;Hongbo Li;Qi Shen;Xiaomei Tang

  • Is there a role for arbuscular mycorrhizal fungi in production agriculture

    Megan H. Ryan;James H. Graham

  • Little evidence that farmers should consider abundance or diversity of arbuscular mycorrhizal fungi when managing crops.

    Megan H. Ryan;James H. Graham

  • Arbuscular mycorrhizae in wheat and field pea crops on a low P soil: increased Zn-uptake but no increase in P-uptake or yield

    Megan Ryan;J.F. Angus

  • The role of root exuded low molecular weight organic anions in facilitating petroleum hydrocarbon degradation: Current knowledge and future directions

    Belinda C. Martin;Suman J. George;Charles A. Price;Megan H. Ryan

  • Phosphorus Nutrition of Proteaceae in Severely Phosphorus-Impoverished Soils: Are There Lessons To Be Learned for Future Crops?

    Hans Lambers;Patrick M. Finnegan;Etienne Laliberté;Stuart J. Pearse

  • Grain mineral concentrations and yield of wheat grown under organic and conventional management

    Megan Ryan;J.W. Derrick;P.R. Dann

  • The carboxylate-releasing phosphorus-mobilizing strategy can be proxied by foliar manganese concentration in a large set of chickpea germplasm under low phosphorus supply.

    Jiayin Pang;Ruchi Bansal;Hongxia Zhao;Emilien Bohuon

  • Colonisation of wheat by VA-mycorrhizal fungi was found to be higher on a farm managed in an organic manner than on a conventional neighbour

    M. H. Ryan;G. A. Chilvers;D. C. Dumaresq

  • Carbon trading for phosphorus gain: the balance between rhizosphere carboxylates and arbuscular mycorrhizal symbiosis in plant phosphorus acquisition

    Megan Ryan;Mark Tibbett;Mark Tibbett;Tammy Edmonds-Tibbett;L.D. Suriyagoda

  • Zinc bioavailability in wheat grain in relation to phosphorus fertiliser, crop sequence and mycorrhizal fungi

    Megan H Ryan;Jennifer K McInerney;Ian R Record;John F Angus

  • Variation in morphological and physiological parameters in herbaceous perennial legumes in response to phosphorus supply

    Jiayin Pang;Megan H. Ryan;Mark Tibbett;Gregory R. Cawthray

  • Unwrapping the rhizosheath

    Jiayin Pang;Megan H. Ryan;Kadambot H. M. Siddique;Richard J. Simpson

  • Plant Responses to Limited Moisture and Phosphorus Availability: A Meta-Analysis

    Lalith D.B. Suriyagoda;Megan H. Ryan;Michael Renton;Hans Lambers

  • Fine endophytes (Glomus tenue) are related to Mucoromycotina, not Glomeromycota

    Suzanne Orchard;Sally Hilton;Gary D. Bending;Ian A. Dickie

  • Oxygen loss from seagrass roots coincides with colonisation of sulphide-oxidising cable bacteria and reduces sulphide stress

    Belinda C. Martin;Jeremy Bougoure;Megan H. Ryan;William W. Bennett

  • Fine root endophytes under scrutiny: a review of the literature on arbuscule-producing fungi recently suggested to belong to the Mucoromycotina

    Suzanne Orchard;Rachel J. Standish;Ian A. Dickie;Michael Renton

  • Variation in seedling growth of 11 perennial legumes in response to phosphorus supply

    Jiayin Pang;Mark Tibbett;Matthew D. Denton;Hans Lambers

  • A mycorrhizal revolution.

    Grace A Hoysted;Jill Kowal;Alison Jacob;William R Rimington

  • Multiple adaptive responses of Australian native perennial legumes with pasture potential to grow in phosphorus- and moisture-limited environments.

    Lalith D. B. Suriyagoda;Megan H. Ryan;Michael Renton;Michael Renton;Hans Lambers

  • Reduced growth of autumn-sown wheat in a low-P soil is associated with high colonisation by arbuscular mycorrhizal fungi

    Megan H. Ryan;Anthony F. van Herwaarden;John F. Angus;John A. Kirkegaard

Frequent Co-Authors

Hans Lambers
Hans Lambers University of Western Australia
Mark Tibbett
Mark Tibbett University of Reading
Richard J. Simpson
Richard J. Simpson La Trobe University
Michael Renton
Michael Renton University of Western Australia
Jiayin Pang
Jiayin Pang University of Western Australia
John A. Kirkegaard
John A. Kirkegaard University of Western Australia
Kadambot H. M. Siddique
Kadambot H. M. Siddique University of Western Australia
Lindsay W. Bell
Lindsay W. Bell Commonwealth Scientific and Industrial Research Organisation
John Angus
John Angus Commonwealth Scientific and Industrial Research Organisation
Timothy D. Colmer
Timothy D. Colmer University of Western Australia

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