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phosphorus
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<blockquote data-quote="Stocker Steve" data-source="post: 1533212" data-attributes="member: 1715"><p>Compost can be pretty concentrated, and most folks never calibrate a manure spreader, but you may be spreading more nutrients per acre than a cow would.</p><p></p><p>The other issues are availability and stability and timing. Much N in manure can evaporate, some will run down the hill, and the rest will be tied up initially breaking down fiber. So you could end up with less N available short term... I think the nutrients in compost are more available, and more likely be released during the growing season.</p><p></p><p>Manure heads get into nutrients vs. carbon, percents of percents, and lbs. available per acre per year. The numbers can be a bit discouraging, especially if you do not incorporate.</p></blockquote><p></p>
[QUOTE="Stocker Steve, post: 1533212, member: 1715"] Compost can be pretty concentrated, and most folks never calibrate a manure spreader, but you may be spreading more nutrients per acre than a cow would. The other issues are availability and stability and timing. Much N in manure can evaporate, some will run down the hill, and the rest will be tied up initially breaking down fiber. So you could end up with less N available short term... I think the nutrients in compost are more available, and more likely be released during the growing season. Manure heads get into nutrients vs. carbon, percents of percents, and lbs. available per acre per year. The numbers can be a bit discouraging, especially if you do not incorporate. [/QUOTE]
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