Gravity Fed Drip Irrigation Systems
One of the most common ways to irrigate a vertical garden is by the use of a gravity fed drip irrigation system. This is where a conventional drip irrigation system is installed at the top of the vertical garden. Water is released and it drips onto the top row of plants. As these plants are sufficiently watered, the water continues down through the effect of gravity, until the entire garden is watered. The excess water is collected at the bottom of the garden and is drained away. Alternatively, a pump can be installed to recycle the water.
Comprehensive Drip Irrigation Systems
If your plants require a lot of water regularly, you may want to install something a bit more comprehensive than a standard gravity fed drip irrigation system. In this case, you can choose to install drip irrigation lines on ever y row of your vertical garden, ensuring that each and every plant gets plenty of water. As with gravity fed drip irrigation, the excess water is caught at the bottom of the garden using a tray that drains it away or allows it to be recycled.
Watering Through a Pipe Network
Another way of watering your vertical garden involves using a pipe network. How it works is that a network of perforated plastic pipes runs throughout the entirety of the vertical garden system. Water (often infused with nutrients) is released through the perforations in these pipes at precise intervals and is then delivered to the plants. The release of the water is controlled by an electronic timer so it really is a case of set and forget for the most part (as long as you remember to keep the nutrients in the water at the correct concentration). Often, little soil is involved in this method so this is really a hydroponic form of irrigating your plants.
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