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Senior Contributor

Irrigation Pivots

Does anyone own a irrigation pivot?  I have a science teacher friend from  a Chicago Subburb  who is wanting to learn.   I can't answer her questions.    She wants to know:  power sources,  water source,  how they move, etc.   E-mail me and I'll give you her yours. 

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Senior Contributor

Re: Irrigation Pivots

Most of the pivots around here are run of power from the power company and wired in.  Wells are drilled in the field.  The pivots are on timers so they run for a certainount of time or are programmed to put down a certain amount of water at a time.  Some go a full circle but some are half circles so they have catch at the end of the half that will either stop the pivot or reverse the pivot.

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Senior Contributor

Re: Irrigation Pivots

my email is marsjohn @ yahoo . com  spaces out for the spammers

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Veteran Contributor

Re: Irrigation Pivots

Not that this tells you a lot about what you are asking the Forum,,     but i have often viewed this YT video , and the music ain't bad either.http://www.youtube.com/watch?v=xOw8VulOaXU

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Senior Contributor

Re: Irrigation Pivots

Some are hydrostatic controlled too. Probably could check any of the pivot manufacturers for info. Here is one site. http://pivotirrigation.blogspot.com/

I would also check U of Nebraska's website. http://water.unl.edu/web/cropswater/centerpivot

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Senior Contributor

Re: Irrigation Pivots

Wow,  you guys are terrific.  I'm going to send her a link to this and let her pick and choose.   Thanks so much.  

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Veteran Contributor

Re: Irrigation Pivots

Iv'e allways had an interest in all things American when it comes to Agriculture, And one of the things i recall after seeing the persons interest in Centre Piviots , especially in Nebraska,   was how and where they draw the water from.    Back in 1975 i read an artical in National Geographic about the Ogallala Aquifer, and how it was depleating at a rapid rate.         So now i just Googled Ogallala to see what came up . http://www.naturalnews.com/031658_aquifer_depletion_Ogallala.html    and it seems it's still an ongoing thing,  .

I just wonder how many people in those states know about that. 

Probably has a good few years left yet.

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Senior Contributor

Re: Irrigation Pivots

I grew up in Colorado.  My dad grew up in eastern Colorado on a beef ranch.  I believe it was they ran 300 head on 10 sections.  I could be wrong but that is what my memory is saying right now.

Any who.  My dad always said water was what would do the west in.  Just not enough out there for every body that wants to live there and farm ground that was never intended by God to raise a crop except for buffalo grass and a few cows.

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Senior Contributor

Re: Irrigation Pivots

The acquifers do get recharged. For instance, The Platte is a losing river until it meets the Loup, near Columbus. It will run underground, but surface will be dry. That means that the river is recharging faster than being replaced from the source. Several other NE rivers do the same. One thing this year will prove is you can have too much water in one place and 200 miles away still be in a drought. I won't argue that some places are just not meant to have crops, namely the Sandhills. The soil is so porous that it can't hold water. It also makes it more susceptible to waterborne pollution.

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Senior Contributor

Re: Irrigation Pivots

We have 2 pivots. One makes a complete circle and is generated by electricity. THe other one makes amost a complete circle with a stop on it. We have to go and reverse it back. The 2nd one is powered by diesel fuel. Both are running a lot this summer since we have not had a good rain since the middle of May.

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