TY  - BOOK
AU  - Hammond, L. C. and others,
TI  - Nutrient Uptake by Soybeans on Two Iowa Soils + Other Supplements
U1  - 630.7 
PY  - 1951///
CY  - Iowa
PB  - Agricultural Experiment Station, Iowa State College
KW  - Agriculture. & related technologies
KW  - Soil Science
ER  -