In these days of drought, heat spells, and water wise gardens, many gardeners are interested in efficiency when it comes to irrigation. Drip irrigation is commonly considered to be the most efficient way to water plants. But there’s something even better now: subsurface drip irrigation. It’s one step up – or, rather, one step down, providing low pressure water directly to each plant’s roots beneath the soil. Underground Drip Irrigation Subsurface drip irrigation – known as SDI – is an irrigation system that places a dripline of polyethylene tubing under the soil to release water to a plant’s root zone. Why is this good? The primary advantage of SDI is that the gardener is able to manage root zone irrigation more precisely. That means less evaporation loss and the possibility to spoon-feed nutrients. An underground drip irrigation system also permits underground watering in fields that are shaped irregularly. In addition, […]
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