Analysis - As cities grow, more people need food. However, space for farming is limited in cities. Building facades can offer a solution for growing food. We asked landscape architect Karen Botes to tell us about her research - cultivating traditional African vegetables on walls.
in cities. Building facades can offer a solution for growing food. We asked landscape architect Karen Botes to tell us about her research - cultivating traditional African vegetables on walls., or rock wool, for the plants to grow in, or the plants' exposed roots are kept wet with nutrient-rich fluids. An example of a continuous system isare irrigated plant trays or pots containing soil and fixed onto a supporting structure on the building's vertical surface.
I compared the living wall systems' performance to traditional soil-based agriculture. Variables included minimum and maximum daily temperatures, relative humidity, precipitation, soil temperature, water content and electrical conductivity, leaf biomass yield and plant stress.species suitable for household food production in living wall systems: creeping foxglove, Indian borage, jute plant, pink ribbons, water mint, dwarf elephant's food and black-eyed pea.
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