http://www.colostate.edu/Dept/CoopExt/4DMG/Trees/command.htm http://www.colostate.edu/Dept/CoopExt/4DMG/Trees/command.htm 10 Commandments of Tree Planting 10 Commandments of Tree Planting http://www.colostate.edu/Dept/CoopExt/4DMG/Trees/command.htm Ten Commandments of Planting Trees