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Phosphorous
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<blockquote data-quote="wbvs58" data-source="post: 1644486" data-attributes="member: 16453"><p>Steve, I don't know of the cost of importing P,we do have a couple of P mines here but a lot is imported as guano from some of Pacific Island nations I think but it is a dwindling resource and the birds aren't $hitting fast enough. It gets treated with Sulphuric acid to produce what we call Super Phosphate which supplies P & S. It gets topdressed on well looked after pasture regularly along with lime as required to feed the legumes to produce N but the big grazing areas of Australia are very extensive and never see any fertiliser or lime and resort to supplements when needed especially during the dry. In the tin mine it is pretty rough and will never have fertiliser applied other than on a few cleared areas.</p><p>Super phosphate costs me about $650/ ton in a good year.</p><p></p><p>Ken</p></blockquote><p></p>
[QUOTE="wbvs58, post: 1644486, member: 16453"] Steve, I don't know of the cost of importing P,we do have a couple of P mines here but a lot is imported as guano from some of Pacific Island nations I think but it is a dwindling resource and the birds aren't $hitting fast enough. It gets treated with Sulphuric acid to produce what we call Super Phosphate which supplies P & S. It gets topdressed on well looked after pasture regularly along with lime as required to feed the legumes to produce N but the big grazing areas of Australia are very extensive and never see any fertiliser or lime and resort to supplements when needed especially during the dry. In the tin mine it is pretty rough and will never have fertiliser applied other than on a few cleared areas. Super phosphate costs me about $650/ ton in a good year. Ken [/QUOTE]
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