Friday, August 12, 2011
Irrigating a Vegetable Garden with Drip Irrigation
Drip, or micro-irrigation, technology uses a network of plastic pipes to carry a low flow of water under low pressure to plants. Water is applied much more slowly than with sprinkler irrigation. Drip irrigation exceeds 90 percent efficiency whereas sprinkler systems are 50 to 70 percent efficient. It is so efficient that many water utilities exempt landscapes irrigated with drip from restrictions during drought. Note that any irrigation system is only as efficient as the watering schedule used. If systems are set to water excessively, any system including drip can waste water. If you have questions about setting your system, contact a Charlotte irrigation expert to assist you.
Low volume application of water to plant roots maintains a desirable balance of air and water in the soil. Plants grow better with this favorable air-water balance and even soil moisture. Water is applied frequently at low flow rates with the goal of applying only the water plants need. Sprinkler irrigation results in a greater wet to dry fluctuation in the soil and may not produce optimal growth results.
Micro irrigation systems are more widely available and better designed for use in home gardens than ever before. Traditionally used for growing commercial vegetables, orchards, windbreaks, greenhouse and nursery plants, micro-irrigation systems are well-adapted for home use. Use them in landscapes, vegetable and flower gardens and for small fruits. They are well-suited to irrigate container plants as well. When combined with a controller, drip irrigation systems can be managed with ease. A Charlotte area irrigation company can help you choose the best system for your home and garden.
Micro-irrigation is ideal for berm plantings. Slopes are inefficient to irrigate because gravity pulls water downhill, causing runoff and water waste. The slow rate of water applied through drip irrigation is more likely to soak in before it runs off.
Advantages of drip irrigation:
Drip irrigation delivers water slowly immediately above, on or below the surface of the soil. This minimizes water loss due to runoff, wind and evaporation. Drip irrigation can also be operated during windy periods.
The mold spots on house siding and the staining and deterioration of wood privacy fences experienced with overspray from sprinkler irrigation is eliminated with the use of drip. Because water doesn’t leave the landscape with drip irrigation, pavement deterioration associated with sprinkler irrigation runoff is eliminated.
Properties with old, galvanized steel water service lines where corrosion has resulted in a narrowed diameter may benefit from a retrofit to drip irrigation. The low volume requirements of drip irrigation are a good match with restricted supply lines.
Drip systems can be managed with an AC or battery powered controller. Automated landscape irrigation is an advantage to many people with busy lifestyles.
Adaptable and changeable over time, drip systems can be easily expanded to irrigate additional plants if water is available. Emitters can be simply exchanged or removed and emitter lines eliminated or repositioned. When plants are removed or die, drip lines should be plugged.
To get a free quote, have a Charlotte irrigation system installed, or to have any questions answered, consider contacting a Charlotte irrigation company today!
source: CSU
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