Board Thread:Questions and Answers/@comment-38.100.146.51-20121218144559/@comment-4016259-20121218183134

logs have 32emc/block and planks 8 emc/block - which makes it uselsss.

however you can condense some of the wood into bonemeal and grow new trees for a positive emc balance, although that's relatively slow compared to other methods avaiable on tekkit.