2.NSF Publications
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Item Urease activity in soils:a review(National Science Council of Sri Lanka:Colombo, 1996) Dharmakeerthi, R.S.; Thenabadu, M.W.Item Soil and soil conservation in Sri Lanka(NARESA:Colombo; 113p, 1988) Thenabadu, M.W.Item Use of fertilizers and manures in Sri Lanka(NARESA:Colombo; 42p, 1980) Thenabadu, M.W.Item Rocks and minerals(NARESA:Colombo; 82p, 1986) Kumaragamage, D.; Thenabadu, M.W.