@article {3897, title = {Foliar Response of Red Spruce Saplings to Fertilization with Ca and Mg in the Great Smoky Mountains National Park}, journal = {Canadian Journal of Forest Research}, volume = {23}, year = {1993}, pages = {89-95}, keywords = {Red spruce, Soil acidity, Trees -- Growth}, author = {Van Miegroet, Helga and Johnson, Dale W and Todd, Donald E} }