Ophelia Osei Ulzen

Council for Scientific and Industrial Research

Publishing since 2017, latest 2025

Plant Science
Agronomy and Crop Science
Ecology, Evolution, Behavior and Systematics
Environmental Chemistry
Genetics
Pollution

Publications: 102017–2025
Citations: 97to those papers
h-index: 6i10-index 2
Field-weighted impact: 1.661.00 is the world average
World top 10%: 20%2 of 10 scored papers
Open access: 90%9 papers free to read

By year

Papers, and the citations to them

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

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.

Career

On their papers

Every institution they have given on a paper.

Publications

10 in all

Potential of biochar‐based inoculant in enhancing rhizobia survival and grain yield of cowpea ( Vigna unguiculata (L.) Walp.)
2025Agrosystems Geosciences & EnvironmentJournalOpen access5 citations10.1002/agg2.70161
Growth and yield response of cowpea [ Vigna unguiculata (L.) Walp.] to nitrogen fertilizer and inoculant application
2025

Subfields

Plant Science10100%
Agronomy and Crop Science660%
Ecology, Evolution, Behavior and Systematics110%
Environmental Chemistry110%
Genetics110%
Pollution110%
Soil Science110%

Life Sciences
Physical Sciences

Topics most written on

Legume Nitrogen Fixing Symbiosis7
Agronomic Practices and Intercropping Systems6
Agricultural pest management studies4
Rice Cultivation and Yield Improvement2
Soybean genetics and cultivation2
Agricultural Systems and Practices1
Aluminum toxicity and tolerance in plants and animals1
Arsenic contamination and mitigation1
Cassava research and cyanide1
GABA and Rice Research1
Genetic Mapping and Diversity in Plants and Animals1
Genetics and Plant Breeding1

Where their co-authors are

90% of their papers have a co-author abroad

papers co-written1234567Home

Most frequent partner countries

Nigeria5
Brazil3
Côte d’Ivoire2
Lebanon2
Canada1
China1
Cameroon1

Papers with at least one author in that country.

Institutions written with most

Kwame Nkrumah University of Science and TechnologyGH7 papers
International Institute of Tropical AgricultureNG5 papers
International Institute of Tropical AgricultureNG5 papers
University of GhanaGH4 papers
Brazilian Agricultural Research CorporationBR3 papers
International Center for Agricultural Research in the Dry AreasLB2 papers
Africa Rice CenterCI2 papers
Sichuan Agricultural UniversityCN1 paper
Université du Québec en Abitibi-TémiscamingueCA1 paper
International Institute of Tropical AgricultureCM1 paper

Where they publish

Frontiers in Agronomy3
Agrosystems Geosciences & Environment2
Plant Production Science2
Applied Soil Ecology1
Journal of Hazardous Materials Advances1
Plant and Soil1

How it can be read

90% free to read

Gold 8 · 80%In an open-access journal
Hybrid 1 · 10%Open in a subscription journal
Closed 1 · 10%Behind a paywall

Who funds it

6 of 10 papers name a funder

Bill and Melinda Gates Foundation4
Kwame Nkrumah University of Science and Technology4
Conselho Nacional de Desenvolvimento Científico e Tecnológico2
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro2
Alliance for a Green Revolution in Africa1
Deutscher Akademischer Austauschdienst1
Wageningen University and Research1

Ophelia Osei Ulzen

By year

Career

Publications

What they work on

Who they write with

Where their co-authors are

Where they publish

How it can be read

Who funds it

Development goals addressed

Most cited