A method of managing timberland generally includes planting a first tree crop in first and second rows each having tree spacing between adjacent trees and a first row spacing between the first and second rows. The method further includes planting a first planting of a first energy crop in the first row spacing. The method further includes planting a second tree crop in a third row having tree spacing between adjacent trees and a second row spacing between the second and third rows, wherein the second row spacing is different from the first row spacing. The method further includes planting a first planting of a second energy crop in the second row spacing.
