Okajima, Hideo. The significance of minor elements on plant physiology - Taiwan : Food & Fertilizer Technology Center, 1975 - 76 p. : láms. ; gráfs. LCCN: 34654 Subjects--Topical Terms: Elementos menores.Fisiología vegetal.Plantas--Deficiencias nutritivas. Dewey Class. No.: 581.1 / O4