00769nam a22002057a 4500003001100000005001700011008004100028020001500069040003900084041000800123082001600131100002100147245014000168246008500308260004900393300002800442490003400470650003200504650002700536LK-CoMWRAF20231215121042.0231215b2001    |||||||| |||| 00| 0 eng d  a9559760505  aLK-CoMWRAFdLK-CoMWRAFeLK-CoMWRAF  aeng  a631.45bMEN  a Mendis , D.L.O.  aEvolution and development of water and soil conservation ecosystems- from ancient dry zone forest garden to modern Jaffna market garden  a52nd annual sessions of the Sri Lanka association for the advancement of science  aRatmalana:b Sri Lanka Pugwash group,c2001   a92 p.; 21 cm. Ill. maps  aseminar aesthetics in science  aWATER AND SOIL CONSERVATION  aEco systems- Sri Lanka