TY  - BOOK
ED  - AFRC Institute of Arable Crops Research. Harpenden, Hertfordshire, England
TI  - Report
U1  - 630.72 
PY  - 1988///-199
CY  - Harpenden, Hertfordshire
PB  - AFRC Institute of Arable Crops Research
KW  - Agricultura
KW  - Investigacion
KW  - Gran Bretana
KW  - Gran Bretaña
N1  - c. de Rothamsted Experimental Station. Harpenden, Herts, England; c.c. Institute of Arable Crops Research, 199 -; La biblioteca tiene : 1988, 1989, 1990, 1991, 1992, 1993; La biblioteca tiene: 1988, 1989, 1990, 1991, 1992, 1993
ER  -