Regeneration of the hop plant (humulus lupulus l.) from softwood cuttings
Howard, B.H.
Regeneration of the hop plant (humulus lupulus l.) from softwood cuttings III. Treatment with root-promothing substance - London 1967 - 106-107 p. - Plant London Wye College. Reprint No. 341 .
Regeneration of the hop plant (humulus lupulus l.) from softwood cuttings III. Treatment with root-promothing substance - London 1967 - 106-107 p. - Plant London Wye College. Reprint No. 341 .