共 5 条
[2]
HESS CE, 1957, SCHEVENINGEN, V2, P1133
[3]
REGENERATION OF HOP PLANT (HUMULUS LUPULUS L) FROM SOFTWOOD CUTTINGS .I. CUTTING AND ITS ROOTING ENVIRONMENT
[J].
JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY,
1965, 40 (03)
:181-&
[4]
WILLIAMS IH, 1960, 1959 WYE COLL DEP HO, P98
[5]
1960, OFFICIAL METHODS ANA, P289