It's a program of the Irrigation Association to inform industry professionals and homeowners about proper irrigation in the landscape.
In Louisiana, Gov. Bobby Jindal issued a proclamation earlier this year naming July as Smart Irrigation Month in Louisiana in cooperation with the Louisiana Irrigation Association and the Louisiana Department of Agriculture and Forestry.
Ruston, president of the Louisiana Irrigation Association John Kavanaugh said, "We are proud to have our state become a part of this important conservation program. We view this as an ideal opportunity to educate the general public about the importance and value of utilizing smart irrigation practices."
In the landscape, watering at the right time of day is important. It is best to irrigate when the sun is low, the winds are calm and temperatures are cool.
This will save water as much as 30 percent by reducing evaporative losses. The best time to water is from early morning, a couple of hours before sunrise, until midmorning. Most landscape and lawn areas need 3/4 to 1 inch of water weekly.
When irrigating, saturate the root zones. Roots are generally within the top 6 inches of soil. Let the soil dry between irrigations. Watering too frequently results in shallow roots, weed growth, disease and fungus.
It is best to irrigate at a rate so the soil can take in the water being applied. You don't want irrigation water to go into the parking area or down the street. Water a couple times weekly instead of watering a little bit every day.
Water conservation tips for the lawn, landscape and garden include:
- Aerate your lawn and around trees at least once a year to ensure good water penetration. Turn and cultivate soil, adding compost or fertilizer when planting. This helps the soil hold moisture and produces healthier plants that require less water to remain strong.
- Mulch well around landscape plants. Use 2-4 inches of mulch around trees and shrubs. This reduces evaporation, moderates soil temperatures, improves water penetration and helps control weeds that compete for water. Pine straw is the best mulch in Louisiana.
- Landscape to suit your lot. Evaluate conditions like sun and shade, dry and damp areas, the size plants you want now and at maturity, and how you want to use each section of your landscape.
- Purchase turf or plant species that have low water requirements and are well-suited to the environment and the location where they'll be planted.
- Group landscape plants with similar moisture needs in the same area. Separate them from turf areas, which have different water requirements.
- Plant in spring or fall when less water is needed to establish new plants. Smaller plants also need less water to become established.
- Create functional turf areas, for example, play areas. Avoid using turf where it's difficult to irrigate properly, such as on steep slopes. Good alternatives for hard-to-irrigate areas are ground covers, perimeter plants and mulch.
- Plant shade trees to lower the air and soil temperatures. This will reduce soil moisture loss, too.
- Maintain your yard by mowing, weeding, pruning and irrigating as needed. A well-maintained yard requires less water.
All of this is important information for using your irrigation system and watering your plants properly. Irrigation will continue to be important as we move through the rest of the summer and fall in Louisiana.
You can see more about work being done in landscape horticulture by visiting the LSU AgCenter Hammond Research Station website at www.lsuagcenter.com/hammond.
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