Ball culture guide : the encyclopedia of seed germination - Nau, Jim (Batavia, Ill. : Ball Publishing, 1993)
Keywords: Plants, Ornamental -- Propagation -- Handbooks, manuals, etc; Vegetables -- Propagation -- Handbooks, manuals, etc; Plant, Ornamental -- Seeds -- Handbooks, manuals, etc; Sowing -- Handbooks, manuals, etc; Germination -- Handbooks, mauals, etc