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1
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2
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3
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- Irrigation
- Water availability
- Use of non-potable water for irrigation
- Water quality
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4
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- 1. Irrigate at night or early morning.
- 2. Apply less water, more frequently.
- 3. Consider the soil texture to decide how much water & when to
apply.
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5
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- 4. Use drought-tolerant &
dwarf plant species/cultivars.
- 5. Check the weather forecast for precipit. before irrigating.
- 6. Use irrigation method required less water.
- 7. Core cultivate compacted soils.
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6
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- Golf: over 300 courses, over $1
billion sales, over 17,000 FTE (full-time equivalents)
- Sports turf: spring training center of U.S. baseball
- Landscape industry primarily focused on xeriscape
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7
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- 4.6 acre feet ground water on facilities >10 acres
- Required use of effluent or other secondary sources where available
- Other states with similar policies: CA, NV
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8
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- Funded by AZ Dept. Water Resources & AZ-GCSA
- Advantages of hydroponics for cultivar screening
- Test solution ion balance patterned after Arizona effluent
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9
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- Alkali sacaton
- Sideoats grama
- Saltgrass
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10
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11
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- Competitive soil moisture dry-down
- Fritted clay media having known water potential release
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12
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- Funded by USGA
- Collaboration with Colorado State Univ.
- 21 Distichlis accessions evaluated for turf quality, salinity and
drought tolerance
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13
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- Controlled plot irrigation based on ETo or soil moisture status
- Lysimetry
- Soil moisture monitoring
- Pot dry-down
- Flexible rooting tubes
- Polyethylene glycol water culture
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14
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- Salinity Tolerance Screening:
Solution culture
- Hydroponics
- Potted plant cycling drip
- Heat Tolerance Screening: Photosynthetic fluorescence Membrane thermostability
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15
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- Annual, two-day event
- Multiple seminars covering turf management, irrig., landscape, pesticide
calibration/use
- GCSAA and State pesticide credits awarded
- Attendance typically 100
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16
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- Annual, all-day event
- Tours of turf research plots
- On-site discussions
- Distribute annual research report
- Attendance typically 100
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17
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- Morning seminars given, focusing on a specific topic
- Catered lunch
- Afternoon golf
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18
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- College and high school classes from around the state
- Special working groups:
- Landscapers
- Sports turf mgrs.
- International groups
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19
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- Turf courses – GCSAA curriculum
- Turf internship
- Turf independent studies
- U.A. turf club – a GCSAA chapter
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20
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21
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22
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23
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24
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