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View Diary: Sunday Train: Unleashing the Political Power of Bio-Coal (128 comments)

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  •  Fast growing poplar? (1+ / 0-)
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    Some hybrid poplars grow extremely fast and are being used as timber sources. I don't know if they're suitable for coppicing. But even if not, they might be an acceptable component in the mix of species.

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    by HeyMikey on Mon Sep 30, 2013 at 03:26:14 PM PDT

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    •  Yes, poplar and willow coppice well ... (1+ / 0-)
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      ... and like Sycamore are short rotation coppice trees. Sweet Chesnut is rather an example of a longer rotation coppice tree crop, and wouldn't be in consideration if it weren't for chestnut's annual nut productivity. In most cases willow outperforms poplar, but of course that depends on soil, rainfall, pest burdens etc, and in some cases poplar would outperform.

      I actually wrote incorrectly above ~ you can indeed, mix short rotation coppice tree crops, and doing so can bring the expected benefits in reduced losses to pest damage. So it could indeed be a mix of Sycamore, Willow and Poplar in a contour row harvested every three or four years.

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      by BruceMcF on Mon Sep 30, 2013 at 04:33:01 PM PDT

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    •  Poplars Used For Bioremediation Of Polluted Soils (2+ / 0-)
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      BruceMcF, HeyMikey

      There's a substantial body of literature on this.  Keep in mind that trees can grow on degraded soils and they grow on soils that are too rocky to plow.  

      There are plenty of places around the country that are devoted to sheep and cattle because the pastures are studded with solid outcroppings of bedrock.

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      by bernardpliers on Mon Sep 30, 2013 at 08:02:27 PM PDT

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