An assessment of the principles of soil protection in the UK.
Howard, P. J. A.
Thompson, T. R. E.
Hornung, M.
Beard, G. R.(Graham Richard),1949-
Soil Survey and Land Research Centre.
Institute of Terrestrial Ecology.
Silsoe : Soil Survey & Land Research Centre ; Grange-over-Sands : Institute of Terrestrial Ecology,
1989.
Volume I, Concepts and principles / P.J.A. Howard and M. Hornhung-- Volume II, Reviews of current major threats / edited by G.R. Beard-- Volume. III, Risk and suitability mapping in selected areas / T.R.E. Thompson and G.R. Beard
Soil conservation