共 16 条
[2]
BLISS CI, 1937, PLANT PROTECTION, P67
[3]
DOBIE JB, 1946, 471 AGR EXP STA B WA
[5]
FAIRBANKS FL, 1924, 90 CORN EXT B
[7]
Le Clerg E., 1962, FIELD PLOT TECHNIQUE
[8]
NICHOLAS JE, 1944, 462 AGR EXP STA B PE
[9]
OSTRANDER C. E., 1960, Quarterly Bulletin. Michigan State University Agricultural Experiment Station, V43, P292
[10]
PALMER HD, 1966, 363 DEL AGR EXP STA