[Terrapreta] new studies on GHG footprint of biofuels darkens the picture

[MMBTUPR at aol.com]

          from          Lewis L Smith

Dr. Alex G. Alexander's experiments with Napier grass [ also called "elephant 
grass", as is miscanthus ]   suggested that replanting after three years was 
optimum, when it is managed as an "energy grass" and not for cattle fodder.

So I am surprised to see someone advocating replanting after a period as long 
as 30 years. Has any one actually tried this cycle in comparison with 
alternatives ?   If they did, they would have had to plant no later than 1978, which 
is precisely the date on which Dr. Alexander began his work in this area, and 
I don't recall any "competition" at the time.

Can any help us on this ?

Cordially.   ###


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