Dear all Does anyone have a pdf or hadre copie of of these papers: -Doran, J.W., and T.B. Parkin. 1994. Defining and assessing soil quality p. 321. In J.W. Doran, D.C. Coleman, D.F. Bezdicek, and B.A. Stewart (ed.) Defining soil quality for a sustainable environment. SSSA Spec. Publ. 35. SSSA, Madison, WI. -Doran, J.W., D.C. Coleman, D.F. Bezdicek, and B.A. Stewart. 1994. Defining soil quality for a sustainable environment. SSSA Spec. Publ. 49. SSSA, Madison, WI. -Doran, J.W., and A.J. Jones. 1996. Methods for assessing soil quality. SSSA Spec. Publ. 49. SSSA, Madison, WI. Many thanks in advance
Salah
