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Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
Creating Practical Turf Areas C Su
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Creating Practical Turf Areas C Su

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  • Transcript

    • 1. <ul><li>Creating practical turf and non-turf areas </li></ul>
    • 2. Select turf based on actual use of the site. <ul><li>Higher quality = </li></ul><ul><li>High water demand </li></ul><ul><li>Expectations? </li></ul><ul><li>Lower quality = </li></ul><ul><li>Lower water demand </li></ul>
    • 3. Water-wise lawn care <ul><li>Higher quality = </li></ul><ul><li>High water demand </li></ul><ul><li>Expectations? </li></ul><ul><li>Lower quality = </li></ul><ul><li>Lower water demand </li></ul><ul><li>Routine irrigation </li></ul><ul><ul><li>High performance Bluegrass varieties and turf-type tall fescue </li></ul></ul><ul><li>Reduced irrigation </li></ul><ul><ul><li>Reduced inputs Bluegrass varieties and turf-type tall fescue </li></ul></ul><ul><li>Non-irrigated </li></ul><ul><ul><li>Buffalograss </li></ul></ul><ul><ul><li>Blue Grama </li></ul></ul>
    • 4. Water-wise lawn care <ul><li>High water demand </li></ul><ul><li>Expectations? </li></ul><ul><li>Low water demand </li></ul><ul><li>Increased drought tolerance with 3”- 4” mowing height. </li></ul><ul><li>Spring fertilization decreases drought tolerance. </li></ul><ul><li>Any grass is intolerant of traffic when under water stress. </li></ul>
    • 5. Water-wise lawn care <ul><li>High water demand </li></ul><ul><li>Expectations? </li></ul><ul><li>Low water demand </li></ul>During periods of water shortage, reduce expectations.
    • 6. Water-wise gardening is not anti-turf, it is about matching the expectation with the actual use of the site. <ul><li>Grass provides significant environmental and people benefits. </li></ul>
    • 7. <ul><li>Reduces surface runoff </li></ul><ul><ul><li>An average golf course of 150 acres can absorbs 4 million gallons of water during a 1” rain. </li></ul></ul><ul><ul><li>Thick turf allows 15 times less runoff than a thin turf. </li></ul></ul><ul><ul><li>A dense turf can reduce runoff to almost zero. </li></ul></ul>Grass protects surface water quality
    • 8. <ul><li>Reduces surface runoff </li></ul><ul><ul><li>On a slope with good soil tilth, dense sod can absorbs 7.6”/hour compared to 2.4/hour for a thin sod </li></ul></ul><ul><ul><li>When compared to a non-grass area (like a garden or field) grassy areas reduce soil erosion caused by runoff by 84 to 668 times </li></ul></ul>Grass protects surface water quality
    • 9. To protect surface water quality, direct surface runoff onto grass areas allowing for natural filtering in this biologically active turf soil.
    • 10. <ul><li>Traps dust and pollen </li></ul><ul><li>Reduces noise, summer heat, and glare (improving “people space”) </li></ul><ul><li>Controls soil erosion by wind </li></ul>Grass mitigates pollutions
    • 11. <ul><li>Soil microbial activity breaks down pollutants (such as air contaminants, pesticides and pollen) </li></ul>Grass mitigates pollutions
    • 12. <ul><li>It takes 25 square feet of actively growing turf to convert the carbon dioxide, CO 2 , into oxygen, O 2 , needed per person per day. </li></ul>Grass converts CO 2 to O 2
    • 13. Actively growing grass turf supports soil microorganism activity, which improves soil structure.
    • 14. <ul><li>Cool, dirt-free play space for children and adults </li></ul>Turf is basic to “people space”
    • 15. <ul><li>Element in landscape design </li></ul><ul><ul><li>Gives unity to the landscape design elements </li></ul></ul><ul><ul><li>Provides a neutral background setting off flowers and shrubs </li></ul></ul>Turf is basic to “people space”
    • 16. <ul><li>Property value and marketability </li></ul><ul><li>Fire Control </li></ul>Other benefits of turf
    • 17. Objective: Match turf with needs of site! <ul><li>Expectations? </li></ul>
    • 18. Kentucky bluegrass does NOT requires heavy irrigation. <ul><li>Standard for high aesthetic value “people space” </li></ul><ul><ul><li>Seasonal irrigation required = 34” water </li></ul></ul>
    • 19. Kentucky bluegrass does NOT requires heavy irrigation. <ul><li>Water use depends on the expectations, most landscapes are significantly over-watered. </li></ul>
    • 20. Kentucky bluegrass does NOT requires heavy irrigation. <ul><li>Water use depends on the expectations, most landscapes are significantly over-watered. </li></ul><ul><li>Bluegrass goes dormant under water stress. </li></ul><ul><li>Makes a great reduced input lawn, allowing it go dormant in hot/dry weather. </li></ul>
    • 21. Kentucky bluegrass does NOT requires heavy irrigation. <ul><li>Water use depends on the expectations, most landscapes are significantly over-watered. </li></ul><ul><li>Bluegrass goes dormant under water stress. </li></ul><ul><li>Makes a great reduced input lawn, allowing it go dormant in hot/dry weather. </li></ul><ul><li>“ Drought-tolerant varieties use 25% less water . </li></ul>
    • 22. Kentucky bluegrass does NOT requires heavy irrigation. <ul><li>Water use depends on the expectations, most landscapes are significantly over-watered. </li></ul><ul><li>Bluegrass goes dormant under water stress. </li></ul><ul><li>Makes a great reduced input lawn, allowing it go dormant in hot/dry weather. </li></ul><ul><li>“ Drought-tolerant varieties use 25% less water. </li></ul>
    • 23. Kentucky bluegrass does NOT requires heavy irrigation. <ul><li>Bottom line </li></ul><ul><li>It’s not the grass that demands the water, but rather the gardener! </li></ul>
    • 24. Turf-type tall fescue requires irrigation <ul><li>Actual irrigation requirement depends on soil conditions, precipitation, and management style. </li></ul><ul><li>Actual water use of turf-quality tall fescue is 10% less than turf-quality bluegrass. </li></ul><ul><li>If conditions allow deeper rooting, it will maintain green color longer between irrigation. </li></ul><ul><ul><li>Will also require longer irrigation period </li></ul></ul><ul><li>Tall fescue does not tolerate long-term drought, as it can not go dormant. </li></ul>
    • 25. Turf-type tall fescue requires irrigation <ul><li>Reduced input tall fescue </li></ul><ul><ul><li>Makes a good reduced input lawn where top quality is not essential for the landscape design. </li></ul></ul>
    • 26. Buffalograss quality is dependant on the amount of rain and irrigation it receives. <ul><li>Turf-quality Buffalograss requires 50% less irrigation per season than bluegrass. This is partly due to being slower to green up in the spring and faster to go dormant in the fall. </li></ul><ul><li>For turf-quality Buffalograss, the summer (June-August) irrigation requirement is 1”/ week. (By comparison, bluegrass is 1.3”/week.) </li></ul><ul><li>Dormant brown from early fall to late spring </li></ul><ul><li>Bunch grass </li></ul>
    • 27. Comparative Annual Water Requirements 0” 5” 10” 15” 20” 25” 30” 35” Turf quality KBG (100% ET) 34”
    • 28. Comparative Annual Water Requirements 0” 5” 10” 15” 20” 25” 30” 35” Turf quality KBG (100% ET) 34” Turf quality Tall Fescue (90% ET) 31”
    • 29. Comparative Annual Water Requirements 0” 5” 10” 15” 20” 25” 30” 35” Turf quality KBG (100% ET) 34” Turf quality Tall Fescue (90% ET) 31” Turf quality Buffalo grass (50% ET) 17”
    • 30. Comparative Annual Water Requirements 0” 5” 10” 15” 20” 25” 30” 35” Turf quality KBG (100% ET) 34” Turf quality Tall Fescue (90% ET) 31” 26” “ Drought tolerant” KBG cultivars (75% ET ) Turf quality Buffalo grass (50% ET) 17”
    • 31. Comparative Annual Water Requirements Turf quality KBG (100% ET) 34” Turf quality Tall Fescue (90% ET) 31” 26” “ Drought tolerant” KBG cultivars (75% ET ) Turf quality Buffalo grass (50% ET) 17” 20” Reduced quality KBG and Tall Fescue watered at 60% ET (grass will thin) 31” Moderate quality KBG and Tall Fescue watered at 80% ET Summer dormant (June-August) KBG (40% ET) 14” 0” 5” 10” 15” 20” 25” 30” 35”
    • 32. Creating practical turf areas and non-turf areas <ul><li>Take home message: </li></ul><ul><ul><li>Match turf type with use of site. </li></ul></ul>
    • 33.  

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