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Arable Farming
Cropping
Lime quality
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<blockquote data-quote="N.Yorks." data-source="post: 7110633" data-attributes="member: 46426"><p>Ask the quarry for an up to date analysis, it'll tell you what the various particle sizes are so you'll be able to understand what percentage is dust and similarly how much is 3mm+ and sizes in between. The analysis will also tell you what the Neutralising Value is as a %. I've just looked at two different quarries and the NV for one is 49% and the other is 71%. The particle sizes were both similar so are crushed the same, which means I'll need less of the NV 71% to increase soil pH than I would the NV 49%.......</p><p></p><p>The stuff in your picture doesn't look too bad as there's obviously a fair bit of finer stuff in there. As you say the finer stuff reacts more quickly as it has a greater surface varea in contact with the soil than the coarser stuff, but the coarser stuff will obviously carry on reacting in the soil over the longer term.</p><p></p><p>Forgot to say, analysis will tell you if it's Magnesium or Calcium type lime - in some situations that can be an important factor.......</p><p></p><p>Hope that helps!</p></blockquote><p></p>
[QUOTE="N.Yorks., post: 7110633, member: 46426"] Ask the quarry for an up to date analysis, it'll tell you what the various particle sizes are so you'll be able to understand what percentage is dust and similarly how much is 3mm+ and sizes in between. The analysis will also tell you what the Neutralising Value is as a %. I've just looked at two different quarries and the NV for one is 49% and the other is 71%. The particle sizes were both similar so are crushed the same, which means I'll need less of the NV 71% to increase soil pH than I would the NV 49%....... The stuff in your picture doesn't look too bad as there's obviously a fair bit of finer stuff in there. As you say the finer stuff reacts more quickly as it has a greater surface varea in contact with the soil than the coarser stuff, but the coarser stuff will obviously carry on reacting in the soil over the longer term. Forgot to say, analysis will tell you if it's Magnesium or Calcium type lime - in some situations that can be an important factor....... Hope that helps! [/QUOTE]
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