Evolution and development of water and soil conservation ecosystems- from ancient dry zone forest garden to modern Jaffna market garden
Mendis , D.L.O.
Evolution and development of water and soil conservation ecosystems- from ancient dry zone forest garden to modern Jaffna market garden 52nd annual sessions of the Sri Lanka association for the advancement of science - Ratmalana: Sri Lanka Pugwash group, 2001 - 92 p.; 21 cm. Ill. maps - seminar aesthetics in science .
9559760505
WATER AND SOIL CONSERVATION
Eco systems- Sri Lanka
631.45 / MEN
Evolution and development of water and soil conservation ecosystems- from ancient dry zone forest garden to modern Jaffna market garden 52nd annual sessions of the Sri Lanka association for the advancement of science - Ratmalana: Sri Lanka Pugwash group, 2001 - 92 p.; 21 cm. Ill. maps - seminar aesthetics in science .
9559760505
WATER AND SOIL CONSERVATION
Eco systems- Sri Lanka
631.45 / MEN

