Nature and EnvironmentDoing Your Bit: A hydroponic pyramidTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoNature and Environment07/26/2019July 26, 2019An entrepreneur in Burkina Faso has developed a hydroponic device that combines plant production, aquaculture and poultry farming: the "agripyramid." It saves space, preserves the environment and produces high returns.https://p.dw.com/p/3GGC3Advertisement