SILLANPAA, Mikko Micronutrients and the nutrient status of soils: a global study /by Mikko Sillanpaa - Rome Food and Agriculture Organization of the United Nations 1982 - xiv, 444 p - FAO soils bulletin; no. 48 . Includes appendix. ISBN: 9251011931 Subjects--Topical Terms: Micro nutrientsTrace elements Dewey Class. No.: 572.515 / SIL