共 17 条
[1]
BROUWER R., 1962, NETHERLANDS JOUR AGRIC SCI, V10, P361
[3]
CRISWELL JG, 1974, CROP SCI, V13, P252
[4]
DAYNARD TB, 1968, THESIS U GUELPH
[5]
EASTIN JA, 1969, 24TH P ANN CORN SORG, P81
[8]
FAIREY NA, 1972, THESIS U GUELPH