J. A. Moran, A. K. Mitchell, G. Goodmanson and K. A. Stockburger, “Differentiation among Effects of Nitrogen Fertilization Treatments on Conifer Seedlings by Foliar Reectance A Comparison of Methods,” Tree Physiology, Vol. 20, No. 16, 2000, pp. 1113-1120. doi10.1093/treephys/20.16.1113 - References - Scientific Research Publishing