共 11 条
[1]
CORNFORD CE, 1958, 486 SUG BEET RES ED, P52
[2]
CORNFORD CE, 1959, 1958 REP ROTH EXP ST, P196
[3]
DARPOUX H, 1962, 25 WINT C I INT RECH
[4]
ERNOULD L., 1949, PUBL INST BEIGE AMELIORATION BETTERAVE, V17, P221
[5]
HAAN KD, 1953, MEDED I SUIKERBIET B, V6, P151
[7]
HULL R., 1954, Agriculture, V61, P205
[8]
HULL R, 1960, 142 B MIN AGR LOND
[9]
MCKAY R, 1952, SUGAR BEET DISEASES
[10]
MCKAY R, 1957, FIELD STUDIES MILDEW