TY  - SER
AU  - Arnon, D. I. and others,
TI  - Plant and Soil Vol. 15
U1  - 577 
PY  - 1961///
CY  - Hague
PB  - Martinus Nijhoff Publishers
KW  - Ecology
KW  - Plant Science
KW  - Soil Science
ER  -