Thinning Your Timber for Profit
Thinning is a process in which a certain number of trees are removed from a stand to increase the growing space available to the residual stand of timber (the trees that are left to grow) and sold to make some money from the timber that is removed.
The link address is: http://warnell.forestry.uga.edu/warnell/service/library/index.php3?docID=273