|Soils are classified into twelve orders that are distributed around the world and broken down into suborder, great group, subgroup, family, and series1. The soils are differentiated based on climate, horizons, and presence of organic material1.
The 12 soil orders are*:
Soils are also rated on their agriculture potential on a scale from I-VIII, where Class I is best suited for agriculture use with the least limitation to use2.
(*Soil orders composed by Lowes & Chambers, 2008 based on USDA, NRCS data1)
|Soil Classification Translation Needed
La traducción española para este sitio es un trabajo en curso. Redacte por favor cualquier gramática o las faltas de ortografía que usted encuentra.
1. McDaniel, P. (2008) The twelve soil orders. Available at soils.ag.uidaho.edu/soilorders/orders.htm (accessed June 2008).
2. Enright, C., Hulse, D., & Richey, D. (no date) Soils: Willamette River Basin Atlas, 2nd Edition. Available at www.fsl.orst.edu/pnwerc/wrb/ (accessed July 2009).