TY  - BOOK
AU  - Brown P E
AU  - Benton T H
TI  - Microbiological studies of some typical Iowa soil profiles
U1  - 630.72(777) 
PY  - 1930///
CY  - Iowa
PB  - Iowa State College of Agriculture
KW  - AgricultureMicrobiological study
KW  - Soils
N1  - Iowa, Agricultural Experiment Station, Research Bulletin no.132
ER  -