共 15 条
[3]
COLLIER J. W., 1963, CROP SCI, V3, P419, DOI 10.2135/cropsci1963.0011183X000300050015x
[4]
CROCKER W, 1953, PHYSIOLOGY SEEDS CHR
[5]
GOODSELL SAMUEL F., 1957, AGRON JOUR, V49, P387
[8]
HART JR, 1959, 304 US DEP AGR MKT R
[10]
KERSTING J. F., 1961, AGRON JOUR, V53, P36