TY  - REP
AU  - Cox,W.J.
TI  - Select corn hybrids by farm's GDD and planting date
U1  - 94-084601 
PY  - 1993///
KW  - America
KW  - Crop husbandry
KW  - Gramineae
KW  - Middle atlantic states usa
KW  - North America
KW  - North eastern states usa
KW  - Progeny
KW  - Temperature
KW  - Time
KW  - Timing
KW  - USA
KW  - Zea
T2  - News and views (USA). (Mar-Apr 1993). p. 3-4
ER  -