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Regenerative Agriculture and Direct Drilling
Regen Ag General Discussion
Regenerative Agriculture
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<blockquote data-quote="Farmer Roy" data-source="post: 4949890" data-attributes="member: 71668"><p>Err, " stubble crunchers " were popular here especially for smashing up canola stubble prior to planting wheat or similar narrow row spacing crops. In the right conditions ( hot, dry, brittle stubble ) they broke the stubble into short lengths and allowed " conventional " planting equipment to plant into the stubble without too many problems. </p><p></p><p>Standing stubble. DEFINITELY easier to plant into standing stubble as opposed to stubble flat on the ground. Standing stubble does provide reasonable ground cover, shelter from winds & evaporation & also allows pathways for rain to infiltrate the soil, but from a soil biology point of view, doesn't add much apart from the physical benefits listed above. All of that standing plant material eventually just oxidises, rather than adding much carbon to the soil. By knocking stubble flat, in contact with the soil & causing some physical damage to the stubble allowing easier access for the microbes & moisture, it does speed up the decomposition process & add to the carbon flow. </p><p>The cover breaking down quickly probably isn't an issue depending on the frequency of your planting / Cropping rotation, as you will be growing more cover</p><p></p><p>Yes, flat stubble creates more issues with planting, but not insurmountable.</p><p></p><p>Hope I've answered ?</p><p></p><p>Oh yes, stubble crunchers are also good on crops like sunflowers, which leave very long, tough stalks which are a bit of a nightmare</p></blockquote><p></p>
[QUOTE="Farmer Roy, post: 4949890, member: 71668"] Err, " stubble crunchers " were popular here especially for smashing up canola stubble prior to planting wheat or similar narrow row spacing crops. In the right conditions ( hot, dry, brittle stubble ) they broke the stubble into short lengths and allowed " conventional " planting equipment to plant into the stubble without too many problems. Standing stubble. DEFINITELY easier to plant into standing stubble as opposed to stubble flat on the ground. Standing stubble does provide reasonable ground cover, shelter from winds & evaporation & also allows pathways for rain to infiltrate the soil, but from a soil biology point of view, doesn't add much apart from the physical benefits listed above. All of that standing plant material eventually just oxidises, rather than adding much carbon to the soil. By knocking stubble flat, in contact with the soil & causing some physical damage to the stubble allowing easier access for the microbes & moisture, it does speed up the decomposition process & add to the carbon flow. The cover breaking down quickly probably isn't an issue depending on the frequency of your planting / Cropping rotation, as you will be growing more cover Yes, flat stubble creates more issues with planting, but not insurmountable. Hope I've answered ? Oh yes, stubble crunchers are also good on crops like sunflowers, which leave very long, tough stalks which are a bit of a nightmare [/QUOTE]
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