Browsing by Author "Navaratna, U.R.B."
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Item Compilation of the Soil Chemistry atlas of Sri LankaGuruge, K.S.; Navaratna, U.R.B.; Dissanayake, C.B.Item Geochemistry of soils in the Sabaragamuva Province of Sri Lanka - effect of climate(1993) Navaratna, U.R.B.; Dissanayake, C.B.