TY  - BOOK
AU  - Editor
AU  - 
ED  - The State University
TI  - Soil Science.
T2  - Number 6
U1  - J 630.2 SOI 1967 
PY  - 1968///
CY  - Maryland
PB  - The williams & Wilkins Company
KW  - Soil science
KW  - Journal
ER  -