Kevin Bayuk

Ollas: Unglazed Clay Pots for Garden Irrigation

A Sri Lankan villager fills his olla Photo copyright © Craig Mackintosh I first encountered the concept of using unglazed clay vessels for sub-surface irrigation in Bill Mollison’s “The Global Gardener” film series.  Mollison comments that the technique might be, to paraphrase, “the most efficient irrigation system in the world.”  More recently I noted with interest that the fine folks at Path to Freedom were employing these clay pots for […]

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