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Drip Irrigation in the Home Garden

Drip Irrigation in the Home Garden. Timothy Coolong Department of Horticulture. Watering. Drip irrigation Drip irrigation is the most efficient Huge number of options and strategies for drip systems Choices are so varied that home gardeners can become frustrated.

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Drip Irrigation in the Home Garden

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  1. Drip Irrigation in the Home Garden Timothy Coolong Department of Horticulture

  2. Watering • Drip irrigation • Drip irrigation is the most efficient • Huge number of options and strategies for drip systems • Choices are so varied that home gardeners can become frustrated.

  3. Most plants require 1-2” per week (Using Drip Tape) • 8” emitter spacing 0.5 gallon/minute/100 feet • Irrigate an area 1.5 foot wide and with 1” water • 1 acre-inch is 27,000 gallons with 43560 ft2 • That is 0.62 gallon/ft2 • So 1.5 ft x 100 ft = 150 ft2 • 0.62 gallon/ft2 x 150 ft2 = 93 gallons • 93 gallon/0.5 gallon per minute= 186 minutes for 1” and 372 minutes for 2”

  4. Individual plants- how many gallons per plant. • Evapotranspiration for a large tomato plant can be 0.4 gallons per plant on a very hot-clear day. • So 2.8 gallons/week/plant • Using a 0.5 gph emitter, you could run for 6 hours a week.

  5. Using a rain barrel • Some home owners would like to irrigate from a rain barrel • Realistically you need at least 5 psi –should have more- especially for some emitters.

  6. Drip Systems

  7. Drip Sources for Gardens • Deerfield produce supply • Lowes • Drip Depot www.dripdepot.com • Drip Works http://www.dripworksusa.com/ • Berryhill Drip Irrigation www.berryhilldrip.com Mention of a company does not denote endorsement for their products

  8. Mini drip irrigation system Components (price each) 1 Garden Hose-$14.97 1 Plastic screen ¾” filter -$8.97 1 0-15 PSI pressure regulator -$9.97 1 Hose thread to pipe thread adapter-$1.60 1 PVC Female ¾” threaded fitting-$0.65 5 PVC ¾” pipes 10’ long each-$2.97 10 PVC ¾” Tee with ½ “ thread in center-$0.77 3 PVC Male ¾” threaded fitting-$0.47 1 PVC threaded cap for male fitting-$0.92 1 PVC primer and cement pack- $6.97 10 Tape Loc Layflat Adapter with valve (also Queengil connector VD3)-$1.25* (Martins Produce Supply usually has these) 1 Drip tape roll 500’ 5/8” 0.45 gpm/100’-$33.87* Total for 50‘ x 100’ garden (~1/8th acre)=$114.38 *-may have to order

  9. Tape Loc Layflat connector with ½” threads Threaded female adaptors Threaded male adaptors ¾” x ½” threaded T PVC Pipe Cap Pressure Regulator Threaded male adaptor Hose to Pipe thread Drip tape

  10. Drippers and Spray Stakes

  11. Drippers and Spray Stakes

  12. Fertigation? • For home gardens is fertigation worth it? • Injector/siphon mixer • Must use water soluble fertilizer • Can clog tape • Usually put out most preplant with some sidedressing after 6-8 weeks

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