TY  - BOOK
AU  - Wiebe, Keith
TI  - Land quality, agricultural productivity, and food security : Biophysical processes and economic choices at local, regional and global levels
SN  - 1840647523
U1  - 338.43:332.36 
PY  - 2003///
CY  - UK
PB  - Edward Elgar
KW  - Agricultural productivity
KW  - Soil resource conservation
KW  - Soils degradation
ER  -