Pages 113-135 in E. B. Allen, editor. TheReconstruction of Disturbed Arid Lands. Westview Press, Boulder, CO. 267p. Bremner, J. M., and C. S. Mulvaney. Pages595-624 in A. L. Page, R. H. Miller, and D. R. Keeny, editors.
Methods ofsoil analysis.
Chemical and microbiological properties, 2ndedition. Number 9 in the series Agronomy. American Society of Agronomy and Soil Science Society of America, Inc.,Madison, Wisconsin. Crawford, C. S., and J. R. Gosz. Their resources in space and time.