https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3AFertilizer%2F24%2Fen 2026-09-08T12:19:10Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.tiffa.net/w/index.php?title=Translations:Fertilizer/24/en&diff=163262&oldid=prev 2025-07-15T09:11:18Z

<p>Importing a new version from external source</p> <p><b>New page</b></p><div>[[NPK rating]] is a rating system describing the amount of nitrogen, phosphorus, and potassium in a fertilizer. NPK ratings consist of three numbers separated by dashes (e.g., 10-10-10 or 16-4-8) describing the chemical content of fertilizers. The first number represents the percentage of nitrogen in the product; the second number, P&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt;; the third, K&lt;sub&gt;2&lt;/sub&gt;O. Fertilizers do not actually contain P&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; or K&lt;sub&gt;2&lt;/sub&gt;O, but the system is a conventional shorthand for the amount of the phosphorus (P) or potassium (K) in a fertilizer. A {{convert|50|lb|adj=on}} bag of fertilizer labeled 16-4-8 contains {{cvt|8|lb}} of nitrogen (16% of the 50 pounds), an amount of phosphorus equivalent to that in 2 pounds of P&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; (4% of 50 pounds), and 4 pounds of K&lt;sub&gt;2&lt;/sub&gt;O (8% of 50 pounds). Most fertilizers are labeled according to this N-P-K convention, although Australian convention, following an N-P-K-S system, adds a fourth number for sulfur, and uses elemental values for all values including P and K.</div>

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