TY  - BOOK
AU  - Westermann, R L., ed.
TI  - Soil testing and plant analysis
SN  - 0891187936
U1  - 631.41/WES 
PY  - 1990///
CY  - Madison
PB  - American Society of Agronomy
KW  - Crops-Analysis
KW  - Soils-Analysis
ER  -