TY  - BOOK
AU  - Jacob, K. D. Ed.
TI  - Fertilizer Technology and Resources in the United States
T2  - Agronomy : A Series of Monographs,Vol.3, Prepared by Amer..
U1  - 631.81973 J2F3 
PY  - 1953///
CY  - New York.
PB  - Academic Press.
ER  -