I’m just saying that people will do whatever they need to survive. Having lived through endless arguments about “You’ve got to choose between jobs and the environment,” “You’ve got to choose between energy security and the environment,” “We need to choose between water supply and the environment,” it became very clear that whenever we deal with issues that are pressing social needs – water, energy food, jobs, health – environment is always the piece that you discount. But when you do that, you sabotage the sustainability of a society.
RBM
I have not researched the comparison of the irrig. systems but what concerned me was that polyethylene would deteriorate over time with the intense sun exposure that it receives. Whereas these are gravity systems, pivots are for pump irrigation, of course.
Thanks for contributing the Seligmann quote. I think that hes exactly right. And then you add to that that most people value humanity above any thing else, meaning they will politically enable jobs at the expense of the environment.
This applies to industrial farming with our sell-out of the soil and aquifers for efficiency gains and cheap food.
I was surprised to see white polyethylene pipe used for this. In my experience, black pipe is resistant to light decay, whereas white pipe will break down. White polyethylene is used below ground, such as tiling applications. Perhaps they were able to put something in the white pipe to make it work in the sun?
Jason,
Good to hear from you & I hope all is well at Farmland LP. Your comment prompted me to do a quick google search which makes it sound like, yes, there is a UV resistant white pipe… “they can add carbon to the pipe and make it perform in direct sunlight.”
RE:Polyethylene Gated Pipe Irrigation Systems
That system seem marginally better than center pivot systems from a technical perspective.
Is there any data available to compare ?
I would guess that polyethylene pipe material is cheaper than aluminum, so maybe that’s what the decision to use was singularly hinged on ?
Probably less evaporation. Lower pressure required. Works better on less than level ground
From a link found at the Oil Drum, Q. and A.: Linking People’s Needs to Nature’s with Peter Seligmann:
I’m just saying that people will do whatever they need to survive. Having lived through endless arguments about “You’ve got to choose between jobs and the environment,” “You’ve got to choose between energy security and the environment,” “We need to choose between water supply and the environment,” it became very clear that whenever we deal with issues that are pressing social needs – water, energy food, jobs, health – environment is always the piece that you discount. But when you do that, you sabotage the sustainability of a society.
RBM
I have not researched the comparison of the irrig. systems but what concerned me was that polyethylene would deteriorate over time with the intense sun exposure that it receives. Whereas these are gravity systems, pivots are for pump irrigation, of course.
Thanks for contributing the Seligmann quote. I think that hes exactly right. And then you add to that that most people value humanity above any thing else, meaning they will politically enable jobs at the expense of the environment.
This applies to industrial farming with our sell-out of the soil and aquifers for efficiency gains and cheap food.
I was surprised to see white polyethylene pipe used for this. In my experience, black pipe is resistant to light decay, whereas white pipe will break down. White polyethylene is used below ground, such as tiling applications. Perhaps they were able to put something in the white pipe to make it work in the sun?
Jason,
Good to hear from you & I hope all is well at Farmland LP. Your comment prompted me to do a quick google search which makes it sound like, yes, there is a UV resistant white pipe… “they can add carbon to the pipe and make it perform in direct sunlight.”