https://wiki.tiffa.net/w/index.php?action=history&feed=atom&title=Translations%3AFertilizer%2F31%2Fen 2026-07-11T11:46:29Z Revision history for this page on the wiki MediaWiki 1.43.0 https://wiki.tiffa.net/w/index.php?title=Translations:Fertilizer/31/en&diff=163269&oldid=prev 2025-07-15T09:11:18Z

<p>Importing a new version from external source</p> <p><b>New page</b></p><div>===NPK fertilizers===<br /> {{main|NPK fertilizer}}<br /> There are three major routes for manufacturing NPK fertilizers (named for their main ingredients: nitrogen (N), phosphorus (P), and potassium (K)):<br /> # bulk blending. The individual fertilizers are combined in the desired nutrient ratio. <br /> {| class=&quot;wikitable&quot;<br /> |+ Bulk blending. Ingredient kg/ton<br /> |-<br /> ! Blend ingredient !! NPK 17-17-17 !! NPK 19-19-19 !! NPK 9-23-30 !! NPK 8-32-16<br /> |-<br /> | ammonium nitrate || 310 || || ||<br /> |-<br /> | urea || || 256 || ||<br /> |-<br /> | diammonium phosphate (DAP) ||376 ||421 || 500||462<br /> |-<br /> | triple superphosphate || || || ||261<br /> |-<br /> | potassium chloride || 288 || 323 || 500 || 277<br /> |-<br /> | filler || 26|| || ||<br /> |}<br /> # The wet process is based on chemical reactions between liquid raw materials [[phosphoric acid]], [[sulfuric acid]], [[ammonia]]) and solid raw materials (such as [[potassium chloride]]).<br /> *The Nitrophosphate Process. Step 1. Nitrophosphates are made by acidiculating [[phosphate rock]] with [[nitric acid]]. <br /> *Nitric acid + Phosphate rock → [[Phosphoric acid]] + [[Calcium sulfate|Calcium sulphate]] + [[hexafluorosilicic acid]].<br /> *Ca&lt;sub&gt;5&lt;/sub&gt;F(PO&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;3&lt;/sub&gt; + 10 HNO&lt;sub&gt;3&lt;/sub&gt; →6 H&lt;sub&gt;3&lt;/sub&gt;PO&lt;sub&gt;4&lt;/sub&gt; + 5 Ca(NO&lt;sub&gt;3&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt; + HF <br /> *6 HF + SiO&lt;sub&gt;2&lt;/sub&gt; →H&lt;sub&gt;2&lt;/sub&gt;SiF&lt;sub&gt;6&lt;/sub&gt; + 2 H&lt;sub&gt;2&lt;/sub&gt;O</div>

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