This episode explores Drainage, soil depth, warming, access and the tradeoffs created by lifting a growing area. The story keeps the mechanisms clear and the research grounded for a casual listener. Inside this episode: - Defining the bed - Drainage gains a gradient - More surface means faster change - Control over the root zone - Access without compaction Sources include Penn State Extension, Raised Bed Garden, University of Maryland Extension, raised beds, and Oregon State University Extension, raised bed gardening. This episode is a researched narrative summary. Historical records may be incomplete, translated differently, or interpreted differently by scholars. We distinguish documented facts, estimates, disputed interpretations, and later stories where material. Corrections are logged and incorporated into future editions. Follow Gardens T ...