Spodosol

One of the 12 soil orders in the U.S. Soil Taxonomy. Spodosols are ashy gray, acidic soils with a strongly leached surface layer. Their suitability for cultivation is limited to acid-tolerant crops and orchards, provided that sufficient lime and fertilizer are applied. Covering about 3.5 percent of the nonpolar continental land area on Earth, they are mainly found bordering