共 12 条
[1]
BEVERIDGE J. L., 1959, AGRON JOUR, V51, P731
[2]
DOWLER CC, 1960, 859 OH AGR EXP STA R
[3]
KUST CYRIL A., 1961, CROP SCI, V1, P267, DOI 10.2135/cropsci1961.0011183X000100040011x
[4]
MAZZONI L. E., 1964, AGRON J, V56, P403
[6]
PETERS ELROY J., 1964, AGRON J, V56, P415
[7]
PETERS RA, 1961, AGRON J, V53, P915
[8]
SMITH D, 1960, 542 WIS AGR EXP STA
[9]
SMITH D, 1966, 23 WIS AGR EXP STAT
[10]
SMITH DALE, 1960, AGRON JOUR, V52, P637