C. A. Igwe

University of Nigeria

Publishing since 1989, latest 2025

Soil Science
Civil and Structural Engineering
Biomaterials
Plant Science
Management, Monitoring, Policy and Law
Agronomy and Crop Science

Publications: 691989–2025
Citations: 1,453to those papers
h-index: 20i10-index 40
Field-weighted impact: 1.191.00 is the world average
World top 10%: 13%9 of 69 scored papers
Open access: 33%23 papers free to read

2 other works — preprints, datasets and the like — are listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Career

On their papers

Every institution they have given on a paper.

Publications

69 in all

Organic matter influence on particle density of low-activity-clay tropical soils and the implications for their porosity assessment
2025International Journal of Environmental Science and TechnologyJournalSenior author4 citations10.1007/s13762-025-06383-8
Runoff and soil properties following cattle-dung manuring and dry-grass mulching and erosion-aggregation relationships for well-drained Ultisols

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Soil Science4667%
Civil and Structural Engineering2333%
Biomaterials1928%
Plant Science1725%
Management, Monitoring, Policy and Law913%
Agronomy and Crop Science812%
Environmental Engineering57%
Ecology46%
Ecology, Evolution, Behavior and Systematics46%
Genetics34%

Life Sciences
Physical Sciences

Topics most written on

Soil Carbon and Nitrogen Dynamics27
Soil and Unsaturated Flow23
Clay minerals and soil interactions19
Soil erosion and sediment transport16
Rice Cultivation and Yield Improvement11
Agricultural Science and Fertilization10
Soil Management and Crop Yield7
Geotechnical and construction materials studies6
Soil and Land Suitability Analysis6
Agronomic Practices and Intercropping Systems4
Crop Yield and Soil Fertility4
Iron oxide chemistry and applications3

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

55% of their papers have a co-author abroad

papers co-written1234569Home

Most frequent partner countries

Japan18
Germany9
Ghana3
Indonesia3
Brazil2
Ethiopia2
South Africa2
Italy2

Papers with at least one author in that country.

Institutions written with most

Kindai UniversityJP13 papers
University of HohenheimDE9 papers
Michael Okpara University of AgricultureNG9 papers
Federal College of Agrioculture IshiaguNG9 papers
Shimane UniversityJP7 papers
Kogi State UniversityNG5 papers
Andalas UniversityID3 papers
Council for Scientific and Industrial ResearchGH3 papers
University of Naples Federico IIIT2 papers
Universidade Federal de Santa MariaBR2 papers

Where they publish

International Agrophysics7
Archives of Agronomy and Soil Science4
Communications in Soil Science and Plant Analysis4
Land Degradation and Development4
Soil Research4
Paddy and Water Environment3

Development goals addressed

From each paper’s title and abstract

15Life on land32
2Zero hunger17
6Clean water and sanitation4
13Climate action1

Most cited

Legume-maize rotation effect on maize productivity and soil fertility parameters under selected agronomic practices in a sandy loam soil
Scientific Reports2
2019111 citationsWorld top 10%Open access · Gold
Soil Degradation-Induced Decline in Productivity of Sub-Saharan African Soils: The Prospects of Looking Downwards the Lowlands with theSawahEcotechnology
Applied and Environmental Soil Science2
2012106 citationsWorld top 10%Open access · Gold

Lime-Manure Agronomic Effects in Droughty Low-Fertility Tropical Soils Largely Reflect P-Bioavailability Changes

2024Journal of Agriculture Research and TechnologyJournalOpen accessSenior author0 citations10.56228/jart.2024.49203

SOIL ORGANIC CARBON LEVELS IN SOILS OF CONTRASTING LAND USES IN SOUTHEASTERN NIGERIA

2017Tropical and Subtropical AgroecosystemsJournalOpen access18 citations10.56369/tsaes.2439

Phosphate Mobilization by Addition of Organic Acids in Two Soils of the Nigerian Guinea Savanna

2014Asian Journal of Agriculture and Food SciencesJournal5 citations

Soil hydraulic and physico-chemical properties of Ultisols and Inceptisols in south-eastern Nigeria

2012Archives of Agronomy and Soil ScienceJournalFirst authorCorresponding13 citations10.1080/03650340.2011.649475

Stabilities of ant nests and their adjacent soils

2012International AgrophysicsJournalOpen accessSenior author4 citations10.2478/v10247-012-0050-6

Factors affecting potassium status of flood plain soils, eastern Nigeria

2008Archives of Agronomy and Soil ScienceJournalFirst authorCorresponding12 citations10.1080/03650340801927051

Clay and silt dispersion in relation to some physicochemical properties of derived savanna soils under two tillage management practices in southeastern Nigeria

2007Acta Agriculturae Scandinavica Section B - Soil & Plant ScienceJournalOpen accessFirst authorCorresponding12 citations10.1080/09064710601137829

Clay Dispersion of Hardsetting Inceptisols in Southeastern Nigeria as Influenced by Soil Components

2006Communications in Soil Science and Plant AnalysisJournalFirst authorCorresponding13 citations10.1080/00103620600563994

Journal of Agriculture Research and Technology

Sains Tanah - Journal of Soil Science and Agroclimatology2

How it can be read

33% free to read

Diamond 6 · 9%Free to read and to publish
Gold 11 · 16%In an open-access journal
Hybrid 3 · 4%Open in a subscription journal
Bronze 2 · 3%Free to read, no open licence
Green 1 · 1%A copy in a repository
Closed 46 · 67%Behind a paywall

Who funds it

30 of 69 papers name a funder

Abdus Salam International Centre for Theoretical Physics10
Japan Society for the Promotion of Science10
Alexander von Humboldt-Stiftung7
Ministry of Education, Culture, Sports, Science and Technology6
Styrelsen för Internationellt Utvecklingssamarbete4
University Of Nigeria Nsukka2
Association of African Universities1
Bundesministerium für Bildung und Forschung1