TY  - BOOK
AU  - Miller, R. J. and others,
TI  - Soybean Yields and Plant Composition as Affected by Phosphorus and Potassium Fertilizers + Supplements
U1  - 630.7 
PY  - 1964///
CY  - Iowa
PB  - Rural & Home Economics Experiment Station
KW  - Agriculture. & related technologies
ER  -