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Research facility · Porto Alegre · Brazil

Instituto Rio Grandense do Arroz

irga.rs.gov.br/inicialROR OpenAlex
World rank, all time
#34,409
of 34,923
Rank in Brazil
#833
of 834
Research works
133
▼ 53% vs 2018-21
Citations
1.5k
11.5 per fractional work
Top-10% rate
7.5%
all institutions 10.0%
vs its own fields
0.94×
1.00× is exactly expected
Open access
55%
world 40%
International
10%
world 18%
Instituto Rio Grandense do Arroz

Which fields of science does Instituto Rio Grandense do Arroz work in?

In all years, 70% of research at Instituto Rio Grandense do Arroz is in Life Sciences, 20% in Physical Sciences. Its largest fields are Agricultural and Biological Sciences (63%), Environmental Science (15%), Biochemistry, Genetics and Molecular Biology (6%). It does 4.2× the world's share of Life Sciences.

Life Sciences: 93 fractional works · 70.4% of its workAgricultural and Biological Sciences: 84 fractional works · 63.3% of its workPlant Science: 53 fractional works · 40.0% of its workSoil Science: 14 fractional works · 10.5% of its workAgronomy and Crop Science: 6 fractional works · 4.2% of its workInsect Science: 4 fractional works · 2.9% of its workForestry: 4 fractional works · 2.6% of its workEcology, Evolution, Behavior and Systematics: 3 fractional works · 2.0% of its workFood Science: 1 fractional works · 0.6% of its workAnimal Science and Zoology: 0 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 8 fractional works · 6.3% of its workMolecular Biology: 5 fractional works · 3.9% of its workGenetics: 2 fractional works · 1.3% of its workCell Biology: 1 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.3% of its workImmunology and Microbiology: 1 fractional works · 0.7% of its workParasitology: 0 fractional works · 0.3% of its workVirology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 0 fractional works · 0.1% of its workPhysical Sciences: 27 fractional works · 20.0% of its workEnvironmental Science: 20 fractional works · 15.0% of its workManagement, Monitoring, Policy and Law: 9 fractional works · 7.0% of its workPollution: 3 fractional works · 2.3% of its workEcology: 2 fractional works · 1.8% of its workWater Science and Technology: 2 fractional works · 1.3% of its workGlobal and Planetary Change: 1 fractional works · 0.7% of its workEnvironmental Engineering: 1 fractional works · 0.5% of its workEnvironmental Chemistry: 1 fractional works · 0.5% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workNature and Landscape Conservation: 0 fractional works · 0.3% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.2% of its workEngineering: 3 fractional works · 2.6% of its workCivil and Structural Engineering: 2 fractional works · 1.2% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 0.8% of its workBiomedical Engineering: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.2% of its workComputer Science: 2 fractional works · 1.6% of its workInformation Systems: 2 fractional works · 1.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 1 fractional works · 0.6% of its workGeochemistry and Petrology: 1 fractional works · 0.6% of its workChemistry: 0 fractional works · 0.3% of its workAnalytical Chemistry: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workSocial Sciences: 9 fractional works · 6.9% of its workSocial Sciences: 6 fractional works · 4.3% of its workSociology and Political Science: 2 fractional works · 1.4% of its workEducation: 2 fractional works · 1.3% of its workDevelopment: 1 fractional works · 0.8% of its workAnthropology: 1 fractional works · 0.6% of its workUrban Studies: 0 fractional works · 0.2% of its workArts and Humanities: 2 fractional works · 1.2% of its workVisual Arts and Performing Arts: 1 fractional works · 0.5% of its workLiterature and Literary Theory: 0 fractional works · 0.3% of its workPhilosophy: 0 fractional works · 0.3% of its workPsychology: 1 fractional works · 0.8% of its workSocial Psychology: 1 fractional works · 0.4% of its workClinical Psychology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.5% of its workEconomics and Econometrics: 1 fractional works · 0.5% of its workDecision Sciences: 0 fractional works · 0.1% of its workHealth Sciences: 4 fractional works · 2.7% of its workMedicine: 3 fractional works · 1.9% of its workEpidemiology: 1 fractional works · 0.5% of its workPhysiology: 0 fractional works · 0.3% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.3% of its workInfectious Diseases: 0 fractional works · 0.2% of its workPathology and Forensic Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workNursing: 0 fractional works · 0.3% of its workNutrition and Dietetics: 0 fractional works · 0.3% of its workDentistry: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.1% of its workHealth Professions: 0 fractional works · 0.1% of its workALL ITS WORKInstituto RioGrandense do…133fractional works, all years
Life Sciences70%Physical Sciences20%Health Sciences3%Social Sciences7%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 19 fields, with their numbers
    1. Agricultural and Biological Sciences8463.3%
    2. Biochemistry, Genetics and Molecular Biology86.3%
    3. Immunology and Microbiology10.7%
    4. Neuroscience00.1%
    1. Environmental Science2015.0%
    2. Engineering32.6%
    3. Computer Science21.6%
    4. Earth and Planetary Sciences10.6%
    5. Chemistry00.3%
    1. Social Sciences64.3%
    2. Arts and Humanities21.2%
    3. Psychology10.8%
    4. Economics, Econometrics and Finance10.5%
    5. Decision Sciences00.1%
    1. Medicine31.9%
    2. Nursing00.3%
    3. Dentistry00.2%
    4. Veterinary00.1%
    5. Health Professions00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 11.34× its world share, 7 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.53× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 1.37× its world share, 0 worksImmunology and Micro…Chemistry: 0.17× its world share, 0 worksChemistryComputer Science: 0.92× its world share, 1 worksComputer ScienceEngineering: 0.21× its world share, 0 worksEngineeringEnvironmental Science: 2.93× its world share, 2 worksEnvironmental ScienceHealth Professions: 0.06× its world share, 0 worksHealth ProfessionsMedicine: 0.27× its world share, 1 worksMedicineArts and Humanities: 1.85× its world share, 1 worksArts and HumanitiesPsychology: 1.43× its world share, 0 worksPsychologySocial Sciences: 0.14× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Agricultural and Biological Sciences, 11.3×. Every wedge is a field page.

All 12 fields, with their numbers
  1. Agricultural and Biological Sciences11.34×7 works
  2. Environmental Science2.93×2 works
  3. Arts and Humanities1.85×1 works
  4. Psychology1.43×0 works
  5. Immunology and Microbiology1.37×0 works
  6. Computer Science0.92×1 works
  7. Biochemistry, Genetics and Molecular Biology0.53×0 works
  8. Medicine0.27×1 works
  9. Engineering0.21×0 works
  10. Chemistry0.17×0 works
  11. Social Sciences0.14×0 works
  12. Health Professions0.06×0 works

Who are the top researchers at Instituto Rio Grandense do Arroz?

Ranked on the quality score, Carlos Alberto Fagundes, Vera Regina Mussoi Macedo and B. A. Pedroso lead among researchers whose main affiliation is Instituto Rio Grandense do Arroz.

  1. 1 Carlos Alberto Fagundes Brazil · #3,078,418 worldwide 394 citations · 21 works
  2. 2 Vera Regina Mussoi Macedo Brazil · #3,478,128 worldwide 342 citations · 20 works
  3. 3 B. A. Pedroso Brazil · #4,488,390 worldwide 13 citations · 16 works
All ranked researchers at Instituto Rio Grandense do Arroz

What are the most cited papers from Instituto Rio Grandense do Arroz?

The most cited paper from Instituto Rio Grandense do Arroz is "The effect of plant growth-promoting rhizobacteria on the growth of rice (Oryza sativa L.) cropped in southern Brazilian fields" (Rocheli de Souza, Anelise Beneduzi, Adriana Ambrosini et al., 2012), with 160 citations. Next come "Characteristics of Coatings formed on Rice Roots as Affected by Iron and Manganese Additions" (143) and "Weedy (Red) Rice" (142).

Most cited papers
#PaperReleasedCitations
1 The effect of plant growth-promoting rhizobacteria on the growth of rice (Oryza sativa L.) cropped in southern Brazilian fields Rocheli de Souza, Anelise Beneduzi, Adriana Ambrosini et al. · Plant and Soil 20 Sep 2012 160
2 Characteristics of Coatings formed on Rice Roots as Affected by Iron and Manganese Additions Richard Elias Bacha, L. R. Hossner · Soil Science Society of America Journal Sep 1977 143
3 Weedy (Red) Rice Lewis Hans Ziska, David R. Gealy, Nilda R. Burgos et al. · Advances in agronomy Book chapterOpen access 18 Nov 2014 142
4 Hipersensibilidade auditiva no transtorno do espectro autístico Erissandra Gomes, Fleming Salvador Pedroso, Mário Bernardes Wagner · Pró-Fono Revista de Atualização Científica Open access Dec 2008 133
5 Benefits Associated with the Interaction of Endophytic Bacteria and Plants Miriam Langner dos Santos, Diouneia Lisiane Berlitz, Shana Leticia Felice Wiest et al. · Brazilian Archives of Biology and Technology Open access 8 Nov 2018 96
All 61 most cited papers, with filters and sorting

Which keywords describe research at Instituto Rio Grandense do Arroz?

By fractional works in all years, weighted toward what it does more of than the world: QTL Mapping, Water Management, Drought Resistance, Yield Potential, Rice, Aerobic Rice Systems, Root Traits and Food Security.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. QTL Mapping21▲ 130×4 topics
  2. Drought Resistance20▲ 159×2 topics
  3. Water Management20▲ 150×4 topics
  4. Yield Potential19▲ 278×2 topics
  5. Rice19▲ 306×2 topics
  6. Aerobic Rice Systems18▲ 520×1 topic
  7. Root Traits18▲ 520×1 topic
  8. Food Security12▲ 22×6 topics
  9. Sustainability12▲ 4.9×9 topics
  10. Soil Degradation10▲ 130×2 topics
  11. No-till Crop Production10▲ 352×1 topic
  12. Soil Compaction10▲ 352×1 topic
  13. Environmental Impact10▲ 5.6×8 topics
  14. Agriculture9▲ 27×3 topics
  15. Agroecology9▲ 52×3 topics
  16. Social Development9▲ 101×2 topics
  17. Family Farming8▲ 196×1 topic
  18. Genetic Diversity8▲ 13×8 topics
  19. Rural Policy8▲ 196×1 topic
  20. Plant Nutrition7▲ 68×2 topics
  21. Soil Fertility7▲ 30×3 topics
  22. Crop Yield6▲ 70×3 topics
  23. Drought Tolerance6▲ 31×5 topics
  24. Morphological Parameters5▲ 149×1 topic
  25. Substrates5▲ 149×1 topic
  26. Genetic Improvement5▲ 44×2 topics
  27. Weed Control5▲ 103×2 topics
  28. Plant Physiology4▲ 63×2 topics
  29. Agricultural Intensification4▲ 64×2 topics
  30. Crop Losses4▲ 178×1 topic
  31. Herbicide Resistance4▲ 178×1 topic
  32. Integrated Pest Management4▲ 115×2 topics
  33. Maize Yield4▲ 88×1 topic
  34. Nitrogen Uptake4▲ 88×1 topic
  35. Flooding Stress4▲ 139×1 topic
  36. Submergence Tolerance4▲ 139×1 topic
  37. Forest Biomass3▲ 71×1 topic
  38. Wood Residues3▲ 71×1 topic
  39. Herbicides3▲ 53×2 topics
  40. Mode of Action3▲ 26×2 topics

Which research topics does Instituto Rio Grandense do Arroz publish most on?

By volume in 2022-now: Rice Cultivation and Yield Improvement, Soybean genetics and cultivation, Growth and nutrition in plants and Soil Carbon and Nitrogen Dynamics.

Rice Cultivation and Yie…1Rice Cultivation and Yield Improvement: 1 fractional worksSoybean genetics and cultivation: 1 fractional worksGrowth and nutrition in plants: 0 fractional worksSoil Carbon and Nitrogen Dynamics: 0 fractional worksHealth, Education, and Physical Culture: 0 fractional worksPlant responses to water stress: 0 fractional worksSoil Management and Crop…0Soil Management and Crop Yield: 0 fractional worksArchitecture, Art, Education: 0 fractional worksIrrigation Practices and Water Management: 0 fractional worksRemote Sensing in Agriculture: 0 fractional works
Plant ScienceSoil ScienceSocial PsychologyVisual Arts and Performing Arts1 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Rice Cultivation and Yield Improvement Plant Science 1 works
  2. 2 Soybean genetics and cultivation Plant Science 1 works
  3. 3 Growth and nutrition in plants Plant Science 0 works
  4. 4 Soil Carbon and Nitrogen Dynamics Soil Science 0 works
  5. 5 Health, Education, and Physical Culture Social Psychology 0 works
  6. 6 Plant responses to water stress Plant Science 0 works
  7. 7 Soil Management and Crop Yield Soil Science 0 works
  8. 8 Architecture, Art, Education Visual Arts and Performing Arts 0 works
  9. 9 Irrigation Practices and Water Management Soil Science 0 works
  10. 10 Remote Sensing in Agriculture Ecology 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available55.4%not open44.6%

World: 40% of research is openly available.

with international co-authors10.0%domestic only90.0%

World: 18% is written across borders.

How has Instituto Rio Grandense do Arroz's research output changed?

Output in 2022-2025 was 53% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Instituto Rio Grandense do Arroz as a percentage of every work published that year, 0.000044% in 2024.

still counting0.0010%0.0020%Instituto Rio Grandense do Arroz0.000048% in 202519801990200020102020

Fractional works of Instituto Rio Grandense do Arroz over all fractional works that year. How the balance of science has shifted.

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