TY  - GEN
AU  - 
AU  - Steward, F.C., ed.
TI  - Plant physiology: a treatise
PY  - 1969///
CY  - New York
PB  - Academic Press
KW  - Plant Physiology
KW  - Nutrition of Plants
N1  - Vol. III : Inorganic nutrition of plants
ER  -