He has done research in Pesticide usage and residue analysis in horticultural crops; Solar drying systems and applications; Dry season vegetable production and their postharvest systems; Postharvest and market surveys on horticultural crops; and Establishing standard methodologies in the horticultural industry using the Hazard Analysis Critical Control Points (HACCP). He has been the Project Coordinator of Ghana Institute of Horticulturists/Canadian Society of Horticultural Science CIDA-Funded Dry Season Vegetable Production (DSVP) Project in Ghana He has been involved in a number of postharvest projects and consultancies including: Appropriate Technologies for Improving Market Access and Incomes for Farmers in Sub-Saharan Africa and Asia; Postharvest Technology Interventions for Appropriate Postharvest Technology Planning Project for World Food Logistics Organisation and UC Davis, California; and Vegetable Postharvest Loss Assessment and Stakeholders’ Mapping of Strategy for Loss Reduction. Patrick has developed solar drying technologies for smallholder cassava and pepper producers in Ghana. He convened (in collaboration with FAO and GLOBALHORT) the Promotion and Consumption of Vegetables and Fruits workshop dubbed “PROVAF GHANA 2012”.
He is a partner in WUTRO-Netherlands project that developed automated solar-powered mango drying technology (FruitProTech) for smallholder mango farmers. He is, also, a partner in Ujuizi Laboratories-Ghana which piloted the “Chains of Human Intelligence Towards Efficiency and Equity in Agro-food Trade along the Trans-Africa Highway” (CHEETAH) crowd-sourcing App that generated postharvest loss information. Patrick is a GLOBALG.A.P. certified Farm Assurer.