Submitted on: 11 December 1999.
Revised on: 04 April 2000.
Accepted on: 28 April 2000.
___________________Carbon Balance and Management---BMC
Submitted on: 05 May 2020.
Revised on: 17 June 2020.
Accepted on: 23 July 2020.
___________________Carbon Balance and Management---BMC
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http://reply.papertrans.cn/1/48/4742/4742-34.png
Submitted on: 07 September 2011.
Revised on: 26 October 2011.
Accepted on: 22 December 2011.
___________________Carbon Balance and Management---BMC
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