000 00656 am a2200205 a 4500
245 1 _aStudies on the nutrient status of the alluvial soils of Kerala with special reference to the distribution of copper and zinc.
300 _a91P.+4Fig.+16Tab.
650 _aSoil analysis
650 _asoil science
650 _acopper
650 _azine
650 _aheavy metals
650 _asoil chemistry
650 _asoil structure
502 _cAgricultural College and Research Institute.Vellayani.Trivandrum.
_bM.Sc.(Agricultural Chemistry).
_d1971
502 _gKoshy,M.M.
100 1 _aVarughese,George.
_d
942 _2udc
_cT
901 _aRF5810
999 _c149427
_d149427