TY  - BOOK
AU  - Nuttonson, Michael Y. ,
TI  - A comparative study of lower and upper limits of temperature in meas uring the variability of day-degree summations of wheat, barely, and ry e
U1  - 633.1 
PY  - 1956///
CY  - Washington
PB  - American Institute of Crop Ecology
KW  - Wheat
KW  - Barley
KW  - Rye
KW  - Plants
KW  - Effect of temperature on
N1  - "Sponsored by the United States Weather Bureau under contract Cwb-87 37"
ER  -