| The management of populations of vesicular-arbuscular mycorrhizal fungi in acid-infertile soils of a savanna ecosystem: I. The effect of pre-cropping and inoculation with VAM … JC Dodd, I Arias, I Koomen, DS Hayman Plant and soil 122, 229-240, 1990 | 207 | 1990 |
| Mycorrhizal infection of clover is delayed in soils contaminated with heavy metals from past sewage sludge applications I Koomen, SP McGram, KE Giller Soil Biology and Biochemistry 22 (6), 871-873, 1990 | 153 | 1990 |
| Effects of antagonistic microorganisms on the post‐harvest development of Colletotrichum gloeosporioides on mango I Koomen, P Jeffries Plant Pathology 42 (2), 230-237, 1993 | 99 | 1993 |
| Effectiveness of single and multiple mycorrhizal inocula on growth of clover and strawberry plants at two soil pHs I Koomen, C Grace, DS Hayman Soil Biology and Biochemistry 19 (5), 539-544, 1987 | 91 | 1987 |
| Pre‐and post‐harvest control of mango anthracnose in the Philippines JC Dodd, R Bugante, I Koomen, P Jeffries, MJ Jeger Plant Pathology 40 (4), 576-583, 1991 | 83 | 1991 |
| Co-creation of a Scalable Climate Service for Kenyan Smallholder Farmers S van der Horst, H Goosen, M van Selm, I Koomen, EO Matsaba, ... Frontiers in Climate 4, 859728, 2022 | 73 | 2022 |
| Growth responses of mycorrhizal and non-mycorrhizal tropical forage species to different levels of soil phosphate I Arias, I Koomen, JC Dodd, RP White, DS Hayman Plant and Soil 132, 253-260, 1991 | 48 | 1991 |
| Drivers for adoption of agricultural technologies and practices in Ethiopia-A study report from 30 woredas in four regions T Tefera, G Tesfay, E Elias, M Diro, I Koomen Capacity Building for Scaling Up of Evidence-based Best Practices in …, 2016 | 47* | 2016 |
| Aspects determining the risk of pesticides to wild bees: risk profiles for focal crops on three continents H Van der Valk, I Koomen, T Blacquiere, JJM Van der Steen, I Roessink, ... FAO, 2013 | 45 | 2013 |
| Strategies and prospects for biological control of diseases caused by Colletotrichum. P Jeffries, I Koomen Strategies and prospects for biological control of diseases caused by …, 1992 | 40 | 1992 |
| Putting food systems thinking into practice: Integrating agricultural sectors into a multi-level analytical framework GD Borman, WS de Boef, F Dirks, YS Gonzalez, A Subedi, MH Thijssen, ... Global Food Security 32, 100591, 2022 | 22 | 2022 |
| Vegetable business opportunities in Ghana YS Gonzalez, Y Dijkxhoorn, I Koomen, E Van Der Maden, S Herms, ... The GhanaVeg Sector Reports, 2016 | 19* | 2016 |
| The management of vesicular-arbuscular mycorrhizal populations in acidinfertile soils of a savanna ecosystem. I. The effect of precropping and VAMF inoculation on plant growth … JC Dodd, I Arias, I Koomen, DS Hayman Plant and Soil 122, 229-240, 1990 | 13 | 1990 |
| GhanaVeg sector reports Y Saavedra, Y Dijkxhoorn, A Elings, J Glover-Tay, I Koomen, ... Vegetables business opportunities in Ghana. Wageningen UR, Wageningen, 1-44, 2014 | 10* | 2014 |
| Les pesticides: composition, utilisation et risques J Boland, I Koomen, J Lidth de Jeude, J Oudejans Agrodok, 2004 | 9 | 2004 |
| Pesticides: compounds, use and hazards J Boland, I Koomen, J Lidth de Jeude, J Oudejans Agrodok, 2004 | 7 | 2004 |
| Postharvest biocontrol of anthracnose disease of mangoes I Koomen, JC Dodd, MJ Jeger, P Jeffries Journal of the Science of Food and Agriculture 50, 137-138, 1990 | 7 | 1990 |
| From aid to sustainable trade: driving competitive horticulture sector development: A quick scan of the horticulture sector MS Matui, YRS Gonzalez, J Gema, I Koomen Wageningen Centre for Development Innovation, 2016 | 6 | 2016 |
| Paprika (Capsicum annuum L.) field establishment and crop productivity under varying planting density and ammonium nitrate topdressing VB Ogunlela, I Koomen J Food Agric Environ 3, 185-189, 2005 | 6 | 2005 |
| Types of indigenous vegetables consumed, preparation, preferences and perceived benefits in Ghana RA Atuna, J Djah, MA Achaglinkame, S Bakker, L Dari, M Osei-Kwarteng, ... Journal of Ethnic Foods 9 (1), 38, 2022 | 5 | 2022 |
