A simplified non-greenhouse hydroponic system for small-scale soilless urban vegetable farming

Urban Farm DB summary

A methods paper presenting a simplified, non-greenhouse hydroponic system built from low-cost, readily available materials using the Kratky method, with detailed step-by-step instructions. Requiring no specialised equipment or power, it offers a reproducible, self-buildable approach to soilless vegetable growing in confined urban spaces, supporting DIY and maker-style citizen food production.