Soil degradation in the United States : extent, severity, and trends

Rattan Lal ... [et al.]
Bok · Engelsk · 2004

Utgitt	Boca Raton : Lewis Publishers , c2004
Omfang	204 s. : ill.
Emner	Soil degradation - United States Biodegradation Land degradation Soil degradation USA
ISBN	1566705347