irrigation · irrigation requirements •know how much your plants need. •know how much water...
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Irrigation
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Irrigation Requirements
•Know how much your plants need.
•Know how much water each part of your watering system applies.
•Match your system’s output to your plant’s needs.
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Irrigation System Factors
Soil type and condition
Plant type and plant size
Condition of the water
Weather and climate information
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How Much Water Do Your Plants Need
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How Often Do We Need to Water?
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How Deep Should You Water?
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Depth Size of Plants
Examples
1 Foot Small Ground covers, cacti and bedding plants
2 Feet Medium Shrubs
3 Feet Large Trees
1, 2, 3 Rule
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Irrigation System
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Irrigation System Design Objective
Supply adequate water
At the correct time and duration
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Irrigation System Types
Sprinklers–Rotating–Fixed Spray–Micro
Drip– Basic drip– Drip tubing– Bubblers
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Irrigation System FactorsIrrigation zones
Emitters – type, number, location and output
Depth
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TIPS
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Correct Irrigation Losses
Spray drift, wind and evaporation
Deep percolation
Uniformity losses
Runoff losses
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Irrigation System Maintenance
• Inspect for proper operation
• Move emitters if required
• Newly planted vs. established plants
• Drain system prior to winter
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Water Wisdom
When you give plants more water than they need, they will grow more than they should, and you have to do more pruning and mowing.While fertilizers promote plant growth, they also increase water consumption. Apply the minimum amount of fertilizer as needed.
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Water Wisdom
With sprinklers, water in the early morning ‐ about 1 to 3 hours before sunrise.Because of different watering needs, it is best to place trees and shrubs on separate lines.Pull weeds so they do not steal water from your plants
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Water Wisdom
If you place mulch over plants’ root zones, moisture will stay in the soil longer.Water deep to root zone vs watering often.Do not over water OR underwater.
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XeriscapingPrinciples
Water‐wise planning and designLow water use/drought tolerant plants Limited lawn areasEfficient irrigation design and equipment Water harvesting techniques Surface mulches and soil amendments (where appropriate) Proper maintenance practices