共 10 条
[1]
BRINKLEY R. M., 1959, AGRON JOUR, V51, P143
[2]
BURNS RE, 1963, 32 GEORG AGR EXP STA
[3]
COCKERHAM CC, 1963, 982 NAT AC SCI NAT R, P53
[4]
COPE W. A., 1962, CROP SCI, V2, P10, DOI 10.2135/cropsci1962.0011183X000200010003x
[7]
DONNELLY E. D., 1955, AGRON JOUR, V47, P466
[8]
DONNELLY ED, 1963, 70 AUB U AGR EXP STA
[10]
1960, OFFICIAL TENTATIVE M