TY  - BOOK
AU  - Colloquim on Plant Analysis and Fertilizer Problems, 4th, Br
TI  - Plant analysis and fertilizer problems
U1  - 631.8 C51P 
PY  - 1964///
CY  - N.Y.
PB  - American Society for Horticultural Science
KW  - FERTILIZERS AND MANURES
KW  - BOTANICAL CHEMISTRY
ER  -