AN INTRODUCTION TO SUBSURFACE DRIP IRRIGATION SSDI

1-800-828-3388 www.geoflow.com

Program  How it works  The advantages of and when to use SSDI  A few examples  Geoflow Products

Drip irrigation125 year ago

How it Works ½” dripline grid is buried 15 to 60 cm. deep where it slowly and evenly places effluent into the soil.

Pulsed SSDD Water & Soil Subsurface Drip uses 40% greater volume of soil than surface drip By courtesy of the USDA, Fresno

Steep Slope 65% Slope Alpine Club, Mt. Tamalpais

Flexibility Around Obstacles

Shallow Soils Palm Island, Dubai

Re-use in the Landscape Carmel Valley Hotel

Designed by Questa Engineering

Municipal Reuse Pauanui Effluent Irrigation System ACENZ Annual Awards of Excellence 2010

Olives in Spain

Hops Field in Yakima Valley, Washington.

Zinfandel grapes in Lodi, California (Mondavi) Note vertical trellis

Asparagus - California

Citrus – Calabria, Italy

Three Research Projects

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Fig. 1. Tomato crop exposed to ambient (left) vs. enriched (right) CO2 levels

Methane – CH4 --

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CO2 H2O O2 H2 Methane (CH 4 ) is a greenhouse gas that remains in the atmosphere for approximately 9-15 years. Methane is over 20 times more effective in trapping heat in the atmosphere than carbon dioxide (CO 2 ) over a 100-year period

Eucalyptus Forest Research Institute, New Zealand

Community Development Omaha Beach Golf Course, N.Z.

State Park Angel Island, San Francisco Bay

Geoflow Dripline Products •

Nano ROOTGUARD®

Balan® impregnated emitters prevents root • intrusion When used with the ADI and Vered drippers 15 year warranty / 30+ year expected life

Patents: Nano-ROOTGUARD – 6,821,928 B2 ROOTGUARD – 5,116,414

WASTEFLOW Two pink stripes and turquoise inner lining

Bactericide treated turquoise inner lining

Geoflow Products • Nano-ROOTGUARD® Prevents roots from plugging dripline • GeoShield Prevents bacterial growth in the lines

Geoflow Products Our Unique products • • • Geoflow Wasteflow dripline Geoflow ROOTGUARD dripline GeoShield filters

Geoflow Dripline Products ROOTGUARD® Root-ball around dripper Roots Exposed. ……No roots found in dripline

Geoflow Dripline Products ROOTGUARD® as a root barrier U = Untreated T = Treated • When roots make contact with ROOTGUARD, root growth is redirected.

• Non-systemic. Photograph by courtesy of Fresno State University

Geoflow Dripline Products

GeoShield®

• • Combats Slime from plugging system Anti-bacterial (TBT-M) in the dripper • Anti-bacterial (TBT-M) in the turquoise lining of the drip tube • A smooth release agent inside the dripline containing Viton® (similar to Teflon) discourages organics from sticking.

Patents: Anti-bacterial lining for drip irrigation laterals – 5,332,160 Low friction lining for drip irrigation conduits – Provisional – not published

Metzerplas drippers available to Geoflow Turkey in WASTEFLOW® and ROOTGUARD®

Geoflow Filter Products

GeoShield®

• Protects filter element from slime build up • Reduces surface blinding • Available in pre-assembled headworks • Automatic self flushing or manual flush

Thank you Rodney Ruskin