000 | 00656 am a2200205 a 4500 | ||
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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 |
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942 |
_2udc _cT |
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901 | _aRF5810 | ||
999 |
_c149427 _d149427 |