Thenabadu, M.W. Use of fertilizers and manures in Sri Lanka - NARESA Colombo 1980 - 42 lk - Plant nutrition Industrial crops Food crops Stimulants Grasslands Nutrifying inhibitors Sri Lanka - Science Education Series No.05 . http://thakshana.nsf.ac.lk/slstic/NA-98/NA _ 98.pdf = Thenabadu, M.W. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: NA-98 Nat. Bib. Agency Control No.: NA-98 Subjects--Topical Terms: EducationFertilizer Universal Decimal Class. No.: 37