Olla Irrigation/Groundcover Project
Article: Ollas - Clay Pot Irrigation Systems Plus DIY Homemade Ollas
Garden Irrigation Solutions: DIY, Efficient, & Toxin-Free Watering
Permaculture info on using ollas Garden irrigation, Sustainable
How to make your own Olla Pots for Eco-Friendly Garden Irrigation
Olla Irrigation Technology: An Ancient and Hyper-Efficient
How to Build a Rain Garden to Capture Runoff - The Permaculture
Water Harvesting and Storage - The Permaculture Research Institute
The Hottest Design Ollas: how to use an olla to water your plants
Ollas: Unglazed Clay Pots for Garden Irrigation - The Permaculture