TY  - BOOK
AU  - Stafford,John V.
TI  - Precision agriculture 97:Spatial variability in soil and crop Vol. 2
U1  - 630 
PY  - 1997///
CY  - Oxford
PB  - Bios Sc. pub. ltd.
KW  - Agriculture
KW  - Crop
KW  - Soil
KW  - Spatial variability
ER  -