Panabokke, C. R. Soils and agro-ecological environments of Sri Lanka - Natural Resources, Energy and Science Authority Sri Lanka 1996 - 220p. fig., table, chart, ill. ISBN: 955-590-005-1 Nat. Bib. No.: 6088 Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631.4.55 / PAN