TY  - BK
AU  - Khehra,A.S.
AU  - Dhillon,B.S.
TI  - Breeding maize for cultivation in winter
PY  - 1987///
CY  - Ludhiana (India)
PB  - Punjab Agricultural University, 
KW  - Adaptation
KW  - Temperature resistance
KW  - Winter
KW  - Zea mays
KW  - AGROVOC
KW  - Plant breeding
N1  - Tables, graphs, bibliography p. 45-49
ER  -