TY  - BOOK
AU  - PEARSON, C.J. & NORMAN, D.W.
TI  - SUSTAINABLE DRYLAND CROPPING IN RELATION TO SOIL PRODUCTIVITY
SN  - 9251037922
AV  - FAO SB 110  .P285 1995
PY  - 1995///
CY  - ROME
PB  - FAO
KW  - Dry farming
KW  - cropping systems
ER  -