Posted by JD Seller on July 04, 2017 at 12:02:19 from (208.126.196.24):
In Reply to: Water quality posted by David G on July 04, 2017 at 10:29:50:
The trouble with all of this is the volume of water needing filtered. Also much of the nitrogen is not leaching off of what is applied. It is created when the organic matter naturally decomposes. The large corn crops are generating huge amounts of organic matter per acre. We could quit applying nitrogen and still have nitrates running of for years to come. I have seen CRP ground still having nitrates leach that have not had fertilizer applied for close to 20 years now.
So I will strongly disagree with your statement about it being easy to control. It is a very complicated issue that does not lends itself to "simple" solutions. Also the ability to detect nitrates is increasing. So we really do not have historical data that is accurate to know what the base line was/is. This is one of my big issues with modern conservation movements/tree huggers. The data is from a very short window of time but we are expected to treat it like gospel.
Global warming is much the same. We have around 100-150 years of weather data. There are cycles that have taken centuries to cycle. The average temperature has been higher in the so distant past, mid 1300s but we are expected to worry about the world ending now because we were supposed to have higher temperatures. All wait the temperatures DID NOT raise like predicted so now we just have climate change. LOL I bet the dinosaurs thought the climate changed too.
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