When you're saving water, the first step is to get the water where it's needed in the most direct way possible. No sprinkler heads rising like swans in a ballet to spew water 18-inches above the ground, splashing sidewalks and gutters. No sprinklers nodding back and forth sending sprays of water as tall as a child. Nope, it's irrigation dripping directly at the base of a stem or water bubbling at dirt-level. You can't get much more direct than an olla (pronounced oy-ya ). In the irrigation world, an olla is a clay pot, usually with a round bottom and a longish thin neck that is planted in the dirt next to plants that need water. The dirt is mounded around the pot so that only the end of the neck shows. Water is poured into the opening to fill the buried pot. The clay absorbs water that in turn is absorbed by the dry earth surrounding it. The plant gets a slow steady supply of water. Because the pot is buried, there's little exposure to the air and evaporatio...
A shared adventure in organic backyard gardening and composting