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Thank you for joining us here at our Backyard Vineyard Project as we build the “Gavilan Hills Vineyard” here @ Paradise Ranch.
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CHAPTER 5 - Installing Vineyard Irrigation System
Overview / Review:
Previously, we laid out the vineyard and selected the best orientation for the vines/rows. Then we set the end-post and support posts spaced on average about 25 feet apart. This gives us 4 vines between each post. We then installed the Trellis wire for the vines and irrigation lines.
We installed a little over 1,300 LF of ½ inch drip line, 5 new Valves & 200+ 2 GPH emitters, adding 200+ in June or so.
The next 3 Chapters are the most important so far in our project. Up to this point we have been prepping, building adding etc. Now it is time to get serious…
At this point, our Irrigation systems was the largest investment in the Backyard Vineyard Project; Irrigation systems should encourage vine growth while minimizing soil erosion, and water loss. Losses of water will occur due to evaporation, wind drift, run-off and water (and nutrients) sinking deep below the root zone.
If you have been following our Backyard Vineyard project you will know, we have a very dry, arid, hot climate. So getting water to the Vines and keeping it there is critical.
Drip Irrigation
Drip irrigation is sometimes called trickle irrigation and involves dripping water onto the soil at very low rates from a system of small diameter plastic pipes fitted with outlets called emitters or drippers.
Our Backyard Vineyard:
There are numerous ways to install Backyard Vineyard Irrigations systems. This is how we will be watering our Vineyard.
Materials:
Rainbird WIFI Controller
Rainbird Valve
PSI reducer (30 PSI)
Filter (5 GPH)
PVC ½ inch Pipe w/ Fitting
½ Inch Drip line w/ Fittings
3-inch Vine Curls
Wire Ties
System Size per Valve:
Installing 5 New Valves/Systems
o Valve #1 - 60+ Vines
o Valve #2 - 30+ Vines
o Valve #3 - 36+ Vines
o Valve #4 - 22+ Vines
o Valve #5 - 20+ Vines
Emitters - ½ GPH vs 1 GPH vs 2 GPH:
Our Water Supply has a pressure of 80-100 PSI & a flow of 5-8 GPM
System: 5 GPM x 60 Mintues = 360 GPH
Valve #1: 60 Vines x 2 GPH = 120 GPH
How Much Water & When:
White Paper from UC Davis outlining their study on watering systems in Vineyards.
Young Vines:
April - May: 6 - 8 Gal Per week
June - July: 10 - 12 Gal Per Week
August: 12 - 16 Gal Per Week
Sept - Oct: 8 - 10 Gal Per Week
Full Production:
Before Fruit: 12-16 Gal Per Week
With Fruit: 18-24 Gal Per Week
System Watering At Night ONLY:
I need full control of the Watering System
Currently 18 Valves watering grass, drip system, plants, etc.
Every Other Day / 15 Minutes Each = 4 ½ Hours
New Vines @ 8 Gal Per Week:
6 Gal Per Week - 6 Days Per Week at 30 Minutes Each = 2 ½ Hours
12 Gal Per Week - 6 Days Per Week at 60 Mintes Each = 5 Hours
Add a Second Emitter in June to double flow for each Vine.
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