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Garden Watering and Irrigation 1/12/2010. Wise Watering Practices Wise Watering Practices Irrigation Systems Irrigation Systems Gray Water Gray Water.

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Presentation on theme: "Garden Watering and Irrigation 1/12/2010. Wise Watering Practices Wise Watering Practices Irrigation Systems Irrigation Systems Gray Water Gray Water."— Presentation transcript:

1 Garden Watering and Irrigation 1/12/2010

2 Wise Watering Practices Wise Watering Practices Irrigation Systems Irrigation Systems Gray Water Gray Water Rain Water Harvesting Rain Water Harvesting

3 Wise Watering Practices WHEN –Morning or evening –Frequency HOW –On the ground –Irrigation systems

4 Questions????

5 Irrigating Your Garden

6 Irrigation Healthy plant = 75%-90% water Healthy plant = 75%-90% water Vegetables crops need about an inch of water per week Vegetables crops need about an inch of water per week During dry periods – 1 to 2 inches of moisture (65 to 130 gallons per 100 sq ft.) per week During dry periods – 1 to 2 inches of moisture (65 to 130 gallons per 100 sq ft.) per week

7 Benefits of Proper Irrigation Aids in seed emergence Aids in seed emergence Reduces soil crusting Reduces soil crusting Improves germination and plant stand Improves germination and plant stand Reduces wilting and checking of growth in transplants Reduces wilting and checking of growth in transplants Increases fruit size of tomato, cucumber & melon Increases fruit size of tomato, cucumber & melon Prevents premature ripening of peas, beans, & sweet corn Prevents premature ripening of peas, beans, & sweet corn Maintains uniform growth Maintains uniform growth Improves quality and yield of most crops Improves quality and yield of most crops

8 One, Two, Three Rule - I Annual or Perennial Shrub Tree

9 One, Two, Three Rule - II Annual or Perennial Shrub Tree Irrigate plants to the proper depth and check with a probe 1 foot2 feet3 feet Annual or Perennial Shrub Tree Irrigate plants to the proper depth and check with a probe

10 One, Two, Three Rule - III Annual or Perennial Shrub Tree Allow plants to utilize the water until the soil surface dries to a depth of (early morning): 1 inch2 inches3 inches Annual or Perennial Shrub Tree

11 Irrigation Types 1. Flood (Furrow) 2. Sprinkler 3. Soaker hose 4. Drip

12 Examples

13 Poly-tube placement

14 PVC & Poly-tube Sub-assemblies (PVC): 1. Shut-off valve 2. Pressure regulator 3. Filter 4. Backflow preventer 5. Valve(s) 6. Timer Sub-assemblies (Poly-tube): 1. Hose bib 2. Timer 3. Pressure regulator 4. Backflow preventer 5. Filter 6. Poly-tube, spaghetti tube, connectors, emitters

15 Set-up Main To house Shut-off valve Filter Zones 1,2,3 Zones 4,5,6 Well Valves and pressure regulator

16 Controllers

17 PVC

18 PVC contd. String size: 3-5/16” = ¾” PVC 4-1/8” = 1” PVC

19 Poly-tubing

20 Poly-tubing contd.

21 Questions????

22 Gray Water

23 Gray water is non-toilet waste water. Gray water may contain: Grease Detergent Hair CosmeticsDead Skin Food Particles Small amounts of fecal matter

24 Gray Water Use What gray water can be used? Don’t use water fromOK to use water from Dish-washer Kitchen sink Laundry w/diapers Shower / bath Sinks Washing machine Dish-washer and kitchen sink water is considered dark or black water.

25 Impact on Plants Use on edible plants not recommended (except citrus & nut trees); best used on landscape plants Cautions: – –Soaps and detergents are biodegradable but can be a problem with extensive use – –Cleaning agents contain sodium salts (can damage plants)

26 More Cautions Avoid detergents that advertise “softening power” (contain sodium-based compounds) Phosphates in detergents are good for plants, but those detergents also contain large amounts of sodium Washing machine – cut down or eliminate bleach, do not use detergents that contain boron (too much could be toxic to plants) For household cleaning, use products with ammonia rather than bleach

27 How to apply Bucket or modified household plumbing Apply directly to soil surface (don’t spray) Don’t use with drip emitters (will clog) Use on flat areas; avoid run-off Apply over large area; don’t concentrate on one site Alternate use of gray w/ fresh water to leach soil contaminants Apply thick organic mulches to speed decomposition of waste residues

28 Legal Guidelines Resources – ADEQ (Arizona Department of Environmental Quality) ADEQ (Arizona Department of Environmental Quality) General permit (ARS ) General permit (ARS )

29 Questions????


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