Nutrients such as Potash, phosphate, and nitrates can not be created out of thin air. There are a variety of sources that satisfy NOFA if that is your goal. The three majors can be sourced from animal manure but the concentration and therefore the practicality of sourcing those nutrients from manure vary. My understanding that there are sources of Potash and Phosphate that are mined from the earth that satisfy organic requirements. If you are merely engaged in some sort of subsistence system you can use a rotation involving legumes such as clovers and/or alfalfa to build up the level of organic nitrate to be used for future crops. Whether they can be built up in the short term to eliminate commercial fertilizer to grow sufficient production is another question altogether.
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Today's Featured Article - Restoration Story: 1964 JD 2010 Dsl - Part 2 - by Jim Nielsen. Despite having to disassemble the majority of my John Deere 2010's diesel engine, I was still hopeful I could leave the engine-complete with crankshaft and camshaft-in the tractor. This would make the whole engine rebuild job much easier-and much less expensive! I soon found however, that the #4 conrod bearing had disintegrated, taking with it chunks of the crankshaft journal. As a resul
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