| Bradyrhizobium Inoculants Enhance Grain Yields of Soybean and Cowpea in Northern Ghana J Ulzen, RC Abaidoo, NE Mensah, C Masso, AAH AbdelGadir |
2016 |
Frontiers in plant science 7, 1770, 2016 |
Agriculture |
180 |
| Global hotspots of mycorrhizal fungal richness are poorly protected ME Van Nuland, C Averill, JD Stewart, O Prylutskyi, A Corrales, ... |
2025 |
Nature 645 (8080), 414-422, 2025 |
Agriculture |
78 |
| On-farm evaluation and determination of sources of variability of soybean response to Bradyrhizobium inoculation and phosphorus fertilizer in northern Ghana J Ulzen, RC Abaidoo, N Ewusi-Mensah, C Masso |
2018 |
Agriculture, Ecosystems & Environment 267, 23-32, 2018 |
Agriculture |
56 |
| The tricot approach: an agile framework for decentralized on-farm testing supported by citizen science. A retrospective: K. de Sousa et al. K De Sousa, J Van Etten, R Manners, E Abidin, RO Abdulmalik, B Abolore, ... |
2024 |
Agronomy for Sustainable Development 44 (1), 8, 2024 |
Agriculture |
43 |
| Biological inoculants for sustainable intensification of agriculture in sub-Saharan Africa smallholder farming systems C Masso, RW Mukhongo, M Thuita, R Abaidoo, J Ulzen, G Kariuki, ... |
2016 |
Climate Change and Multi-Dimensional Sustainability in African Agriculture …, 2016 |
Agriculture |
39 |
| Organic manure improves soybean response to rhizobia inoculant and P-fertilizer in northern Ghana J Ulzen, RC Abaidoo, N Ewusi-Mensah, O Osei, C Masso, A Opoku |
2020 |
Frontiers in Agronomy 2, 9, 2020 |
Agriculture |
25 |
| The tricot citizen science approach applied to on-farm variety evaluation: Methodological progress and perspectives J Etten, E Abidin, E Arnaud, D Brown, E Carey, MA Laporte, ... |
2020 |
International Potato Center, 2020 |
Agriculture |
24 |
| Mitigation of greenhouse gas emissions through shade systems and climate-smart soil fertility interventions in cocoa landscapes in the semi-deciduous ecological zone of Ghana J Anokye, AA Abunyewa, U Jørgensen, JS Kaba, K Twum-Ampofo, ... |
2024 |
Soil Advances 1, 100001, 2024 |
Agriculture |
16 |
| Soybean (Glycine max L. Merrill) responds to phosphorus application and rhizobium inoculation on Acrisols of the semi-deciduous forest agro-ecological zone of Ghana S Adjei-Nsiah, D Martei, A Yakubu, J Ulzen |
2022 |
PeerJ 10, e12671, 2022 |
Natural Sciences |
16 |
| Is there a need for Bradyrhizobium yuanmingense and B. japonicum reinoculation in subsequent cropping seasons under smallholder farmers’ conditions? J Ulzen, RC Abaidoo, C Masso, EDJ Owusu-Ansah, N Ewusi-Mensah |
2018 |
Applied Soil Ecology 128, 54-60, 2018 |
Natural Sciences |
16 |
| Combined application of inoculant, phosphorus and organic manure improves grain yield of cowpea J Ulzen, RC Abaidoo, N Ewusi-Mensah, C Masso |
2020 |
Archives of Agronomy and Soil Science 66 (10), 1358-1372, 2020 |
Agriculture |
15 |
| Native Rhizobia strains enhance seed yield of groundnut varieties in Northern Ghana G Wilson, J Ulzen, RC Abaidoo, A Opoku, S Adjei-Nsiah, O Osei |
2021 |
Frontiers in Agronomy 3, 653044, 2021 |
Agriculture |
7 |
| ASSESSING THE NEED FOR INOCULATION OF SOYBEAN AND COWPEA AT TONO IN THE KASSENA NANKANA DISTRICT OF THE UPPER EAST REGION OF GHANA J ULZEN |
2013 |
KNUST, 2013 |
Agriculture |
7 |
| Augmentation of mineral fertilizer with organic nutrient sources to improve soil quality and nutrient use efficiency in cocoa landscape in Ghana J Anokye, A Adutwum Abunyewa, U Jørgensen, JS Kaba, ... |
2025 |
Journal of Plant Nutrition 48 (14), 2448-2471, 2025 |
Agriculture |
6 |
| Postharvest Strategies for Indigenous Fruits and Vegetables in West Africa: Linking Food Loss Reduction, Nutrient Retention and Diet Quality C Osei Tutu, R Acheampong, PT Akonor, BK Asiedu, DNT Mensah, ... |
2026 |
Food and Energy Security 15 (3), e70275, 2026 |
Agriculture |
5 |
| Open letter: A global call to strengthen national soil biodiversity action through coordination and harmonization C Marín, C Barreto, BK Singh, PC De Ruiter, GG Brown, J Battigelli, ... |
2025 |
Plants, People, Planet, 2025 |
Natural Sciences |
5 |
| Potential of biochar‐based inoculant in enhancing rhizobia survival and grain yield of cowpea (Vigna unguiculata (L.) Walp.) W Mensah, N Ewusi‐Mensah, J Ulzen, OO Ulzen, A Ayamah |
2025 |
Agrosystems, Geosciences & Environment 8 (3), e70161, 2025 |
Agriculture |
5 |
| Growing media, water stress and re-watering effects on the growth and dry matter production of cocoa seedlings LO Mintah, GK Ofosu-Budu, NO Osei-Bonsu, J Ulzen, EO Danso |
2022 |
Acta Universitatis Sapientiae, Agriculture and Environment 14 (1), 45-61, 2022 |
Agriculture |
5 |
| Organic manure improves soybean response to rhizobia inoculant and P-fertilizer in northern Ghana. Front. Agron. 2: 9 J Ulzen, RC Abaidoo, N Ewusi-Mensah, O Osei, C Masso, A Opoku |
2020 |
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Agriculture |
5 |
| Optimizing legume-rhizobia symbiosis to enhance legume grain yield in smallholder farming system in Ghana J Ulzen |
2018 |
Nkrumah University, 2018 |
Agriculture |
5 |
| Growth and yield response of cowpea [Vigna unguiculata (L.) Walp.] to nitrogen fertilizer and inoculant application J Danso, J Ulzen, M Ahenkan, OO Ulzen, R Asei, J Sarkodie‐Addo, ... |
2025 |
Agrosystems, Geosciences & Environment 8 (4), e70237, 2025 |
Agriculture |
4 |
| A new phosphorus fertilizer blend enhances grain legume yield and profitability in northern part of Ghana S Adjei-Nsiah, J Ulzen |
2024 |
Scientific African 25, e02273, 2024 |
Agriculture |
4 |
| Can Solar‐Powered Irrigation Systems Naturally Meet Crop Water Requirements? Proof of Concept From a Case Study in Sub‐Saharan Africa E Oppong Danso, C Dietzen, W Akortey, BKB Mensah, PB Obour, ... |
2025 |
Irrigation and Drainage 74 (4), 1423-1435, 2025 |
Agriculture |
3 |
| Determining the optimal inoculant rate to maximize soybean productivity in the Guinea Savanna agro-ecological zone of Ghana AL Abdul-Aziz, B Haruna, J Ulzen, IA Abukari, A Haruna, R Abdulai, ... |
2025 |
Scientific Reports 15 (1), 39503, 2025 |
Natural Sciences |
3 |
| Response of cocoa (Theobroma cacao L.) seedlings to multi‐nutrient fertilizer application in soilless growing media LO Mintah, NO Osei‐Bonsu, J Ulzen, G Ofosu‐Budu |
2025 |
Agrosystems, Geosciences & Environment 8 (3), e70183, 2025 |
Agriculture |
3 |
