... Jeff Lowenfels and Wayne Lewis, Teaming with Microbes: The Organic Gardener's Guide to the Soil Food Web (Portland: Timber Press, 2010). CHAPTER. 4. 1. Ann Phillips, ed., City of Tucson Water Harvesting Guidance Manual, City of Tucson ...
Rainwater Harvesting for Drylands and Beyond, Volume 2, 2nd Edition: Water-Harvesting Earthworks
... wall will act as the outer edge of your berm, so it should rise at least 5 ... retaining wall. And don't forget to make your terraces accessible. Build in ... tire retaining walls, see box 4.5. Box 4.5. Tire Retaining Walls If you want to ...
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