Sillanpaa, M. Micronutrients and the nutrient status of soils a global study - Food and Agriculture Organization of the United Nations Rome 1982 - xiv,444,tables - Soil analysis Soil science - FAO Bulletin No.48 . ISBN: 92-5-101193-1 = Sillanpaa, M. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: P-0183 Nat. Bib. Agency Control No.: 631.4 SIL Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631.4