the net financial yield of an even-aged stand converted into its equivalent in annual income on bare forest soil previous to the establishment of regeneration —note 1. the soil rent concept extends the financial maturity concept by including in the decision about rotation length of the current stand those changes in the net present value of future stands induced by the decision to harvest now or extend the current rotation —note 2. the soil rent approach gives the highest financial returns from timber production under a management program that will produce a succession of rotations —see forest rent(al), redox potential, rotation of highest income This definition last updated 10/07/2008