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Agricultural Matters
Can increasing soil carbon also increase soil CO2 back into atmosphere?
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<blockquote data-quote="N.Yorks." data-source="post: 7796132" data-attributes="member: 46426"><p>The concept of banking carbon got me intereested, as I thought that it was too simplistic to assume that just by increasing soil OM & C we reduce atmospheric CO2. </p><p></p><p>There are a huge number of soil organisms and the more OM/C you send them the busier they get and the more active they are the more they respire CO2 back out of the soil. Was trawling the scientific leterature and it seems that warmer soils of the future will also drive this higher rate of soil respiration.</p><p></p><p>I'm thinking that we don't know enough to start selling soil carbon credits - it's very uncertain what the net effects are. A waterlogged upland peat soil accumulates carbon as it is generally anaerobic, but no productive arable/grassland soil should be like that.</p></blockquote><p></p>
[QUOTE="N.Yorks., post: 7796132, member: 46426"] The concept of banking carbon got me intereested, as I thought that it was too simplistic to assume that just by increasing soil OM & C we reduce atmospheric CO2. There are a huge number of soil organisms and the more OM/C you send them the busier they get and the more active they are the more they respire CO2 back out of the soil. Was trawling the scientific leterature and it seems that warmer soils of the future will also drive this higher rate of soil respiration. I'm thinking that we don't know enough to start selling soil carbon credits - it's very uncertain what the net effects are. A waterlogged upland peat soil accumulates carbon as it is generally anaerobic, but no productive arable/grassland soil should be like that. [/QUOTE]
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Can increasing soil carbon also increase soil CO2 back into atmosphere?
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