共 9 条
[2]
CHRISTENSEN JJ, 1966, AM PHYTOPATH SOC MON, V3, P26
[4]
DUNCAN E. R., 1954, Soil Science Society of America. Proceedings, V18, P437
[5]
GOODMAN MAJOR M., 1965, CROP SCI, V5, P87, DOI 10.2135/cropsci1965.0011183X000500010025x
[6]
LETEY J., 1957, AGRON JOUR, V49, P362
[7]
MILLER MF, 1925, 76 MO AGR EXP STA RE
[9]
TROYER AF, 1967, ANN HYBRID CORN C P, V22, P91