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RT @FlyingQuercus: @andyheald @woodlandsteward @TomBarnesWood Looks like a growth stress crack : from the swelling of lignin & cellulose co…
RT @FlyingQuercus: @andyheald @woodlandsteward @TomBarnesWood Looks like a growth stress crack : from the swelling of lignin & cellulose co…
RT @FlyingQuercus: @andyheald @woodlandsteward @TomBarnesWood Looks like a growth stress crack : from the swelling of lignin & cellulose co…
@andyheald @woodlandsteward @TomBarnesWood Looks like a growth stress crack : from the swelling of lignin & cellulose contraction. Leads to such tension stress in stem surface & compression stress in the core that the wood cracks shortly after fell