TY  - BOOK
AU  - Black C. A
AU  - Evans D. D, Ensminger L. E, Whito J. L, Clark F. C
TI  - Methods of soil analysis
AV  - S592.7.M4 1965 
PY  - 1965///
CY  - Madism
PB  - American society of agronomy inc.
KW  - soil biochemistry
KW  - Soil analysis
ER  -