Post-Harvest Agronomy and Quality Management for Export Vegetables in Cross River State

This study examines agronomic practices and post-harvest quality management for vegetables produced for export markets in Cross River State, South South Nigeria. Cross River State's equatorial climate, proximity to Calabar seaport, and agricultural entrepreneurship create potential for vegetable export to European and Middle Eastern markets. However, meeting phytosanitary, residue, and quality standards required by export destinations requires both agronomic improvements and post-harvest management upgrade. This study uses a value chain analysis approach, profiling the agronomic and post-harvest practices of 25 vegetable export-oriented producers in Abi, Obubra, and Calabar Municipal local government areas alongside 10 export packing house operators. GlobalGAP compliance gap analysis is conducted against current practice baselines. Agronomic improvements for pesticide residue compliance and European market quality standards are assessed in field trials. Findings reveal significant agronomic compliance gaps in pesticide product registration, application records, and pre-harvest interval compliance, with 72 percent of sampled producers using unregistered products. Post-harvest facilities are inadequate at 68 percent of sampled operations, lacking cooling and humidity management. Compliance investment costs are estimated and compared against premium price potential. The study concludes that while export market opportunities exist, substantial investment in both farm-level agronomic practice and post-harvest infrastructure is required. It recommends a state-level vegetable export readiness programme with embedded GlobalGAP training and shared packing house development.

Keywords: post-harvest agronomy, export vegetables, Cross River State, GlobalGAP, quality management.