http://3seemingmonkeys.livejournal.com/ ([identity profile] 3seemingmonkeys.livejournal.com) wrote in [personal profile] vashu11 2019-05-24 05:36 am (UTC)

"coal, each ton of which equaled the sustainable timber yield from 1 to 1.5 acres of prime mid-latitude forest."
http://afe.easia.columbia.edu/chinawh/web/s6/s6_2.html
т.е. 5-7.5 т/га
хотя ссылки на источник нет
попробую письмо написать ему

вот еще
Image
если поленница (cord) это 2 тонны, выходит 2.5-3.125 т/га

https://archive.org/details/CAT87201492/page/n47
Forestry for farmers by Fernow, Bernhard E. 1898

вероятно более релевантно

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