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Regenerative Agriculture and Direct Drilling
Regen Ag Crops & Agronomy
Sulphate of potash
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<blockquote data-quote="York" data-source="post: 2030384" data-attributes="member: 1738"><p>now this is not a challenging case, or?</p><p>With a TEC >10 not much is needed.</p><p>Ca: 61%</p><p>Mg: 20%</p><p>desired level: 68 : 12</p><p>where is the challenge?</p><p>Chuck on some Gypsum, raise the Ca to 68% will lower the Mg by 7% = 13%, almost spot on. (for ease of discussion I dropped the decimal)</p><p>Calcifert S:</p><p>is it this stuff?</p><p><a href="http://www.calcifert.co.uk/calcifert-s.aspx" target="_blank">http://www.calcifert.co.uk/calcifert-s.aspx</a></p><p>Don't know why they don't call it Gypsum when they claim it's pH neutral. The BIG question is: is it a Gypsum or is it a lime with "incorporated" S, which in this case has to be elemental S (elemental).</p><p>Nothing magic about it.</p><p>We have more soils which are like:</p><p>TEC: Ca: / Mg: both %</p><p>25 73% 20%</p><p>36 85% 5%</p><p>45 91% 5%</p><p>45 79% 15%</p><p>York-Th.</p></blockquote><p></p>
[QUOTE="York, post: 2030384, member: 1738"] now this is not a challenging case, or? With a TEC >10 not much is needed. Ca: 61% Mg: 20% desired level: 68 : 12 where is the challenge? Chuck on some Gypsum, raise the Ca to 68% will lower the Mg by 7% = 13%, almost spot on. (for ease of discussion I dropped the decimal) Calcifert S: is it this stuff? [URL]http://www.calcifert.co.uk/calcifert-s.aspx[/URL] Don't know why they don't call it Gypsum when they claim it's pH neutral. The BIG question is: is it a Gypsum or is it a lime with "incorporated" S, which in this case has to be elemental S (elemental). Nothing magic about it. We have more soils which are like: TEC: Ca: / Mg: both % 25 73% 20% 36 85% 5% 45 91% 5% 45 79% 15% York-Th. [/QUOTE]
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Regenerative Agriculture and Direct Drilling
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Sulphate of potash
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