References: Sources of Illustrations
Figures for: Relationship among osmotic, matric, and combined soil water potential; Volume of solids, water, and air in a loam soil at saturation, Þeld capacity, and wilting point. Adapted from Brady, N.C. and Weil, R.R. 1996. The Nature and Properties of Soils. Prentice-Hall, Upper Saddle River, New Jersey. Figure for: Stable carbon isotope ratios. Adapted from Boutton, T.W. 1991. Stable Carbon Isotope Ratios of Natural Materials: II. Atmospheric, Terrestrial, Marine, and Freshwater Environments. In D.C. Coleman and B. Fry (Eds.