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Regenerative Agriculture and Direct Drilling
Regen Ag Crops & Agronomy
Reduced N in no till
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<blockquote data-quote="Warnesworth" data-source="post: 7422288" data-attributes="member: 3357"><p>Does N affect SOM? I think it does - <a href="https://grist.org/article/2010-02-23-new-research-synthetic-nitrogen-destroys-soil-carbon-undermines/" target="_blank">read this and its associated links</a>.</p><p>But I think cultivation affects SOM to a greater extent, which is something many people won't consider <a href="https://link.springer.com/article/10.1023/A:1009766510274" target="_blank">here</a>.</p><p>I do appreciate that research can prove or disprove anything, it just depends what you want to believe. But you cannot undo what your eyes see and tell you everyday, and for me there's no doubt.</p><p></p><p>I think you can reduce N fertiliser inputs over time with a CA system. We certainly encourage customers to do this, dependant upon yield expectations and previous N use. But it must be stressed that it's part of a total package of advice, not in isolation.</p><p></p><p>For me I don't think we'll ever get away from using N if we want to retain our current yield levels, we'll just have to get cleverer at using it to maximum effect. At present I am much more focused on understanding the N fluxes within the soil and trying to work with them as best I can.</p></blockquote><p></p>
[QUOTE="Warnesworth, post: 7422288, member: 3357"] Does N affect SOM? I think it does - [URL='https://grist.org/article/2010-02-23-new-research-synthetic-nitrogen-destroys-soil-carbon-undermines/']read this and its associated links[/URL]. But I think cultivation affects SOM to a greater extent, which is something many people won't consider [URL='https://link.springer.com/article/10.1023/A:1009766510274']here[/URL]. I do appreciate that research can prove or disprove anything, it just depends what you want to believe. But you cannot undo what your eyes see and tell you everyday, and for me there's no doubt. I think you can reduce N fertiliser inputs over time with a CA system. We certainly encourage customers to do this, dependant upon yield expectations and previous N use. But it must be stressed that it's part of a total package of advice, not in isolation. For me I don't think we'll ever get away from using N if we want to retain our current yield levels, we'll just have to get cleverer at using it to maximum effect. At present I am much more focused on understanding the N fluxes within the soil and trying to work with them as best I can. [/QUOTE]
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Reduced N in no till
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