000 00526 a2200181 4500
041 _aEn
080 _b333
082 _aAT141
100 _aDharmakanthi P. W. C. S.
245 _aImpact of socio economic factors on soil fertility of different land use systems in walapane divisional secretariat (DS) division
260 _c2008
_g2008
300 _bill,pic,pho
_c30 cm.
_aix, 71 p
650 _aSOCI ECONOMIC FACTORS
650 _aSOIL EROSION
650 _aSOIL CONSERVATION
650 _aSOIL FERTILITY
942 _cT
999 _c10418
_d11860