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 - On the Road with Dave Gohl: Tractor Club Beginnings - by Dave Gohl. I was surprised about a month ago when I got a call from a fellow tractor croonie. His message was interesting and to the point. He's says "Dave, I've been thinking about starting a Two Cylinder club for our area. What do ya think?" It was a loaded question. I said that I would be interested, and was wondering what his next step was. (Although I was talking under my breath, since I thought of this some years ago) My friend, Arlyn Lamb of Lakeville, Minnesota was sincere in his miss
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