AU  - Chairman,Peck .T.R
AU  - JrCope,J.T.
AU  - Whitney,D A.
TI  - Soil Testing : Correlating and Interpreting the analytical Results. 
U1  - 631.42 
PY  - 1977///
CY  - Madison. 
PB  - American Society of Agronomy., 
KW  - Soil Conservation
ER  -