TY  - BOOK
ED  - Smith, Donald L.
ED  - Hamel, Chantal 
TI  - Crop yield : physiology and process
SN  - 3540644776
U1  - 631.558 
PY  - 1999///
CY  - Berlin
PB  - Springer-Verlag
KW  - Crops--Physiology
KW  - Crop yields
ER  -