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Please be aware that the content herein is comprised of personal reflections, observations, and insights from our contributors. It is not necessarily exhaustive or authoritative, but rather reflects individual perspectives. While we aim for accuracy, we cannot guarantee the completeness or up-to-date nature of the content.An ancient system that requires no energy and uses only the water the plants need. It also provides employment for artisans, contributes to food security, is cheap and biodegradable.