000 00309nam a22001097a 4500
100 _aNiranga,J.A.D.I
245 _aThe study of effect of Sodium Adsorption Ratio to the Ion Exchange Properties in the Soil.
260 _aColombo
_bInstitute of Chemistry Ceylon
300 _a47 p
650 _aSoil
942 _cREF
999 _c3084
_d3084