TY  - SER
AU  - Wilson, G. L.,
TI  - Field Crops Research Vol. 23(1-4), Vol. 24(1-4), Vol. 25(1-4)
U1  - 633 
PY  - 1990///
CY  - Amsterdam
PB  - Elsevier
KW  - Field & plantation crops
KW  - Field Crops
ER  -