Show year growth nt 41 a pine tree mr hill lockmaster lock master at buckhorn experimented with a pine tree to determine improved growth which may be secured by proper care fifteen years ago be pruned all the lower branches off a four inch white pine sapling removing other saplings trosa from its vicinity dug up the earth around it and applied ma manure nure to its base it Is now nineteen inches in diameter at its bale and has a long clean pole tims thu during the fifteen years the growth in diameter r has averaged one inch annually 1 froin l rom the conservation alon |