Chandler, Frederick B Boron deficiency symptoms in some plants of the cabbage family / Frederick B. Chandler - Orono : University of Maine - p. 155-87 - Maine Agr. Exp. Sta. Bull; 402 . LCCN: 203434 Subjects--Topical Terms: Col -- Enfermedades Plantas -- Deficiencias nutritivas Boro -- Efecto en col