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Solar well kits

 
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Anyone have a recommendation for a solar well kit for irrigation?  
I want to use low flow drip irrigation and be able to add KNF nutrients into the system.  
Total is half an acre with about 120 trees/vines and 10 raised beds.
I rarely have droughts of any long duration and very damp clay soil on a slight slope.  
Thanks
 
pollinator
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Weekly water needs for 1/2acre is 13,577 gallons (about 2,000gal/day).
Direct Solar Well flow would have to be 8gpm (2000gal/4hrs of sunlight)
24hrs/Battery powered well flow would have to 1.4gpm
How deep is your well?
Whats the flow rate of your well
Do you plan on having a buffer tank, what size will the tank be?

Solar Panel
Battery (optional)
Pump
Buffer Tank (optional)
Fertilizer Mixing
Piping
Emitters
 
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I'm not sure about the numbers regarding the amount of water required -- help me out, I don't know how to estimate those numbers.

I would think that a big tank, or great big pond for gravity feed, would be just about mandatory. The sun shines when it wants to; the plants need water today.
 
Dennis Bangham
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I have a 100 foot deep well that the water table is 45 foot during summer and a bit higher in the winter. Have not run any tests to see how fast it replenishes.  But I am thinking 1.5 to 2 gallons per minute will be plenty since I can run on any day and all day if needed. I can run city irrigation water in emergencies (rare droughts)for my temporary drip irrigation system.
 
I have very damp clay that forces the water up in most plant holes (capillary rise), so after a couple years they should get all the water they need.

The real need is to utilize a IBC tote (275 gallon food grade) for injecting JADAM Microorganism Solution at the base of each tree, several times in the fall and spring.  I will run pipe and spigots so I can use a hose to cover three rows at each spigot.  I can then make a watering ring with micro-sprayers (easy to clean) and then let them sit at each tree for an time and move it to the next couple of trees.

I see there is a RPS company that sells turnkey kits that look very easy to install and everything is matched to work together.  Are there any others or any experience with RPS?
 
S Bengi
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Douglas Alpenstock wrote:I'm not sure about the numbers regarding the amount of water required -- help me out, I don't know how to estimate those numbers.


You can figure it out by using rainwater catchment formula or by using an acre foot of water(modified for only half acre and 1/12th of a foot )
Total Water = Area x Inches of Water x Rate
Total Water = 1/2 acre x one inch of water per week that plants need x 0.637gal/sqft/in
Total Water = 21,780sqft x 1in x 0.637
Total Water = 13,583gallons/week
14,000gal/week = 2,000gal/day = 80gal/hr

Dennis Bangham wrote:I have a 100 foot deep well that the water table is 45 foot.
But I am thinking 1.5 to 2 gallons per minute will be plenty.
The real need is to utilize a IBC tote (275 gallon food grade) for injecting JADAM Microorganism Solution at the base of each tree, several times in the fall and spring.  
I will run pipe and spigots so I can use a hose to cover three rows at each spigot.  
I can then make a watering ring with micro-sprayers (easy to clean) and then let them sit at each tree for an time and move it to the next couple of trees.
I see there is a RPS company that sells turnkey kits that look very easy



Pumps are usually 10% duty cycle or 1minute runtime aka 1min on and then 9min off vs being on non-stop 24/7.
So 80gal / 6min = 13.3gal per min when it is on (but the well non-stop recharge rate is still only 1.33gpm)
So with a 13.3gal drawndown at 40/60PSI we will need a pressure tank thats around 133gal.
https://www.homedepot.com/p/Water-Worker-119-Gal-Pressurized-Well-Tank-HT119B/202846488
I recommend a pressured tank system because you are requesting a mixing setup that add Mineral/Fertilizer/Microorganism solution.
I recommend a foliar spray for micro-organism to cut down on fruit/leaf pest esp one made with some insect-frass/chitin, but a soil-only EM drench is good too.

Half acre is about 200ft x 100ft, maybe you will have 14 rows, and each row will be 100ft (12rows for 120 trees + 2rows of vegetables). Can you please clarify your actual setup, # of rows, row lenght, etc, this info is needed to better "design" your system and hopefully locate a kit.
Solar Panel (2400WH/day or 600W solar array)
Battery (2000WH usable each day = 4000WH @ 50% DoD)
1HP Pump (750W x 2.4Hr/day @ 10%duty cycle = 1800WH/day, 13.3gpm @ 100ft, 1min runtime & 9min rest)
Controller (to turn on pump + charge controller)
119gal Pressure tank (for 13.3gallon drawdown between runtime @ 40/60PSI)
275gal IBC Tank filled with micro organism + injector fitting
2,000ft Piping (200ft x2  to equalize pressure, + 1400ft for 14row)
140 "Spigot" (120 for the tree + 20 for raised beds)
140 Emitters lines (or you can just buy 20 for 2rows and rotate daily)
4 Overhead Emitters for foliar spray)
 
Dennis Bangham
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Deleted redundant post
Filename: Orchard-layout-with-Fertigation.pdf
File size: 198 Kbytes
 
Dennis Bangham
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Dennis Bangham wrote:

S Bengi wrote:
Pumps are usually 10% duty cycle or 1minute runtime aka 1min on and then 9min off vs being on non-stop 24/7.
So 80gal / 6min = 13.3gal per min when it is on (but the well non-stop recharge rate is still only 1.33gpm)
So with a 13.3gal drawndown at 40/60PSI we will need a pressure tank thats around 133gal.
https://www.homedepot.com/p/Water-Worker-119-Gal-Pressurized-Well-Tank-HT119B/202846488
I recommend a pressured tank system because you are requesting a mixing setup that add Mineral/Fertilizer/Microorganism solution.
I recommend a foliar spray for micro-organism to cut down on fruit/leaf pest esp one made with some insect-frass/chitin, but a soil-only EM drench is good too.

Half acre is about 200ft x 100ft, maybe you will have 14 rows, and each row will be 100ft (12rows for 120 trees + 2rows of vegetables). Can you please clarify your actual setup, # of rows, row lenght, etc, this info is needed to better "design" your system and hopefully locate a kit.
Solar Panel (2400WH/day or 600W solar array)
Battery (2000WH usable each day = 4000WH @ 50% DoD)
1HP Pump (750W x 2.4Hr/day @ 10%duty cycle = 1800WH/day, 13.3gpm @ 100ft, 1min runtime & 9min rest)
Controller (to turn on pump + charge controller)
119gal Pressure tank (for 13.3gallon drawdown between runtime @ 40/60PSI)
275gal IBC Tank filled with micro organism + injector fitting
2,000ft Piping (200ft x2  to equalize pressure, + 1400ft for 14row)
140 "Spigot" (120 for the tree + 20 for raised beds)
140 Emitters lines (or you can just buy 20 for 2rows and rotate daily)
4 Overhead Emitters for foliar spray)



You are right on number of rows.  The length of each row is 90 to 100 ft.

Here is a diagram I have been playing with since I learned how to use excel to make these.  The lowest part of the orchard is upper right and highest lower left.  About 10 foot drop at most.  Each cell is 5ft by 5 ft.  
Adapting as I go along.  I should get 7 to 9 hours of sun a day.  East of me is a tall tree line, but west is open.  I am hoping that the natural environment will do the over all watering and I can add JMS yearly and some of the other JADAM mixes.  Going for easy.  A pick your own of alternative fruits for the locals to enjoy.

I have maybe 85% planted now but because of heart valve problems, I need to simplify and maybe leave some for future use.  As for daily irrigation of raised beds and trees as needed, they are all close enough to tie into my home system and I have irrigation controls there. I also have a temporary above ground drip system for the orchard for the short dry spells. I am running drip irrigation on top to better handle adapting for changes.  One person mentioned making the drip and fertigation separate systems which made a lot of sense.   Especially now.

Since I will be out in recovery for the early winter I am looking for a complete system.   I found this RPS system (link below)  which has videos showing they have an out of box solution.  It is intended to be run when ever the sun is out.  I would have to find a way to turn off when not using.  I live in North Alabama, so we get plenty of rain and too much at times but luckily I am on a slope.  I need to drain because of short very cold weather and a slope makes it easy.  I have put down 12 inches of wood chips on the whole property and am making paths for my small tractor.  The pipe is to protect the underground lines which will be shallow.
https://shop.rpssolarpumps.com/collections/livestock/products/rps-200-solar-well-pump-kit?gclid=Cj0KCQjwiNSLBhCPARIsAKNS4_etrf2A2ZvJoxblXfpTyfaFle_GBXMz9ViaIwyjkpmVa6GD68EJDNEaAjIGEALw_wcB

 
Dennis Bangham
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Lost attachment on editing
Filename: Orchard-layout-with-Fertigation.pdf
File size: 198 Kbytes
 
Douglas Alpenstock
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S Bengi wrote:

Douglas Alpenstock wrote:I'm not sure about the numbers regarding the amount of water required -- help me out, I don't know how to estimate those numbers.


You can figure it out by using rainwater catchment formula or by using an acre foot of water(modified for only half acre and 1/12th of a foot )
Total Water = Area x Inches of Water x Rate
Total Water = 1/2 acre x one inch of water per week that plants need x 0.637gal/sqft/in
Total Water = 21,780sqft x 1in x 0.637
Total Water = 13,583gallons/week
14,000gal/week = 2,000gal/day = 80gal/hr



Hmm. That seems like a formula for a mass broadcast irrigation or flooding system. Won't drip irrigation be much more efficient in water usage, and so require substantially less total water volume?
 
Dennis Bangham
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Douglas Alpenstock wrote:
Hmm. That seems like a formula for a mass broadcast irrigation or flooding system. Won't drip irrigation be much more efficient in water usage, and so require substantially less total water volume?



It does and I probably could do that but it is not necessary. I get 5 to 6 feet of rain a year and with all the wood chips down I think I getting good retention of rain already.

From what I have seen, drip irrigation does not do well with fertigation because of plugging.  Some pre-filtering would be needed.   That is why I may go with the rain bird micro-sprayers that work off 1/2 inch tube.    They are adjustable and you can take the top off for cleaning.  There are some bubbler systems and instead of using irrigation valves, I could just use the cheaper rain bird valves on 1/2 inch tube.  I just want to do close to the trees and move it out a little after a couple of years.  I see a vacuum line going into the IBC tote and a valve to adjust how much micro-nutrients get mixed into the water.  Trying to make it easy and that is what I like about Youngsan Cho and JADAM.   Repeat after me "So Easy".

I see drip as only a few times during mid summer for the first year or two.  I can do that off my home system.  

Not sure if this RPS system will provide enough pressure but am keeping all options open.
 
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