TY  - BOOK
AU  - Eastin,Jerry D.
AU  - 
AU  - 
AU  - 
TI  - Physiological aspects of crop yield
PY  - 1969///
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Plant physiology
KW  - Congresses
KW  - Crop yields
N1  - Includes bibliographies
ER  -