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Re: Farmin' question for ya'll, a little long....
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Posted by JMS/MN on August 29, 2005 at 09:06:39 from (204.73.106.15):
In Reply to: Farmin' question for ya'll, a little long...... posted by NC Wayne on August 28, 2005 at 20:02:05:
Livestock have been on American farms from the start, and no- ..it has not been piling up, unused, all these years. It has always been returned to the land. We do a better job of distribution now than years ago. Used to be the fields close to the barn got more manure than those far away, when tractors did not have cabs on them, and the bulk of the manure was spread in winter. Mega farms don't dump a big amount on a few acres. You mention 5000 gallons on a thousand acres instead of 2- I imagine you pulled those numbers out of a hat- but this is what is realistic: For years we handled liquid manure from our dairy- we injected it into the soil- no smell, etc. Goal was about 5000 gallons per acre, provided about 175-190 lbs N per acre, along with P and K. Samples were taken each time and analyzed for content, so we knew what was being applied. Needed no other fertilizer for the crop. About half of what is applied is utilized each year. Mega dairies have manure management plans, and before approval need long-term agreements with area farmers for land disposal of manure. Limits of material per acre per year. Organic fertilizer is fine, but plants can uptake only the inorganic form. Organic sources of NPK need to be converted into the inorganic form before the plant can utilize the nutrient.
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