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Regenerative Agriculture and Direct Drilling
Regen Ag Crops & Agronomy
Improvement of soil ph in DD crops.
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<blockquote data-quote="SilliamWhale" data-source="post: 6636680" data-attributes="member: 1232"><p>Yes for sure. I find over the years the pH stays a lot more stable. There are various obvious reasons for this eg your not tilling your soil particles and therefore your fertility away either via oxidisation or erosion, earthworm casts are ph6.5 etc and also you are cycling the lime much for efficiently via natural process. I find the same with Phosphorous - much more efficiently held onto if you leave the soil alone.</p><p></p><p>Obviously fert and rain does acidify things but its not to say its a one way street - I reckon throughout the year the soil would have a pH flux depending on soil biology activity same as above ground</p><p></p><p>If you think about it the old 2t/acre every 5 years may have made sense under a very wasteful tillage regime but perhaps not so much under no till. What would be the pH of the top 2cm after 2t lime? Probably ph 10!!! </p><p></p><p>Wheat is happy at ph 6 though.</p></blockquote><p></p>
[QUOTE="SilliamWhale, post: 6636680, member: 1232"] Yes for sure. I find over the years the pH stays a lot more stable. There are various obvious reasons for this eg your not tilling your soil particles and therefore your fertility away either via oxidisation or erosion, earthworm casts are ph6.5 etc and also you are cycling the lime much for efficiently via natural process. I find the same with Phosphorous - much more efficiently held onto if you leave the soil alone. Obviously fert and rain does acidify things but its not to say its a one way street - I reckon throughout the year the soil would have a pH flux depending on soil biology activity same as above ground If you think about it the old 2t/acre every 5 years may have made sense under a very wasteful tillage regime but perhaps not so much under no till. What would be the pH of the top 2cm after 2t lime? Probably ph 10!!! Wheat is happy at ph 6 though. [/QUOTE]
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Regenerative Agriculture and Direct Drilling
Regen Ag Crops & Agronomy
Improvement of soil ph in DD crops.
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