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Jacob Ulzen

SENIOR RESEARCH FELLOW

Google Scholar
Verified email at ug.edu.gh University of Ghana Google Scholar

CollegeCOLLEGE OF BASIC & APPLIED SC.
School / InstituteCOLLEGE OF BASIC & APPLIED SC.
DepartmentFOREST AND HORTICULTURAL CROP RESEARCH CENTRE
RhizobiologyISFMCarbon SequestrationCitizen Science (Triadic-Tricot)
Publications

36

Citations

581

H-index

11

i10-index

11

Publication activity
Publication statistics
Average citations
16.1
Most cited paper
180
First publication year
2013
Latest publication year
2026
Last updated
14 Sep 2026, 08:27
Publications

36 matching publications

PublicationYearJournalThematic areaCitations
Impact of allelochemicals from shade trees bark on the performance of cocoa seedlings
J Danso, IK Boadu, J Sarkodie‐Addo, MO Opoku‐Agyeman, F Padi, ...
2024 Agrosystems, Geosciences & Environment 7 (3), e20543, 2024 Agriculture 3
Grafting Experience and Shade Influences Graft Take of Avocado Scions.
AA Williams, AN Samuel, T Satoru, U Jacob, SH Ofosuhene, AP Samuel, ...
2024 Philippine Journal of Science 153 (1), 113, 2024 Agriculture 2
Effect of Potential Allelochemicals From Shade Trees on Cocoa Seedlings' Performance
J Danso, FO Ansah, J Ulzen, MO Opoku‐Agyeman, A Arthur, S Konlan, ...
2026 Weed Research 66 (1), e70054, 2026 Agriculture 1
Influence of Tree Species and Specific Distances on Earthworm Population and Soil Properties in Cocoa (Theobroma cacao L.) Agroforestry
J Danso, J Ulzen, J Sarkodie‐Addo, MO Opoku‐Agyeman, A Arthur
2026 African Journal of Ecology 64 (1), e70125, 2026 Agriculture 0
Molecular Architecture and Predictive Performance of Polysaccharide Hydrocolloids in Sustainable Food Processing
C Osei Tutu, R Acheampong, PT Akonor, BK Asiedu, R Obeng, J Ampah, ...
2026 Journal of Food Process Engineering 49 (9), e70755, 2026 Engineering 0
Effect of partial-extreme root restriction and nutrient solution concentration on the performance of hydroponically grown tomato
AW Ayarna, S Tsukagoshi, HO Sintim, J Ulzen, JN Amissah, M Bukari, ...
2025 Advances in Horticultural Science 39 (2), 113-123, 2025 Agriculture 0
Accuracy in agricultural citizen science: farmers' assessment of harvest output in Ghana.
J Ulzen, NO Osei-Bonsu, G Bush, HAD Betancourt, J van Etten
2024 agriRxiv, 20250008503, 2024 Agriculture 0
Contribution de la microbiome du sol pour réduire la pollution d’origine agricole
C Masso, G Kariuki, J Ulzen, RW Mukhongo, M Makungwe, B Prasanna
2024 CGIAR System Organization, 2024 Agriculture 0
Inclusive business models for cocoa nurseries in Ghana
A Rappoldt, J Ulzen, M Ataa - Asantewaa
2022 https://www.kit.nl/institute/publication/inclusive-business-models-for-cocoa …, 2022 Agriculture 0
Cocoa trait rankings for tricot
J Ulzen, B Ortíz Crespo, J Etten
2021 Agriculture 0
Step-wise guide for weighing cocoa
J Ulzen, J Etten
2021 Agriculture 0