TY  - JA
AU  - Johnson,L.C.
TI  - Soil loss tolerance:  fact or myth?
PY  - 1987///
KW  - Environmental policies
KW  - Erosion
KW  - Erosion control
KW  - Soil conservation
KW  - Soil deterioration
KW  - Top soil
KW  - Soil fertility
KW  - AGROVOC
N1  - Illustrations, references cited p. 160
T2  - Journal of Soil and Water Conservation
ER  -