000 | 00873nam a2200229Ia 4500 | ||
---|---|---|---|
008 | 170101s1975 xx 000 0 und d | ||
082 | _aT 631.417 B12O | ||
100 | _aBACHCHU Prased | ||
245 | 0 | _aOrgano-metallic interactions in soils in relation to zinc ion transport and plant nutrition | |
250 | _aCOA | ||
260 |
_aLudhiana _bP.A.U _c1975 |
||
300 | _a189L | ||
520 | _aThe humic acids were characterized by higher carbon and lower oxygen contents as compared to their fulvic counterparts Empirical formulae of these substances were computed from the elemental and functiona, group analysis The molecular weights of fulvic ac | ||
650 | _aSOIL CHEMISTRY | ||
653 | _aORGANIC MANURES HUMIC SUBSTANCE | ||
653 | _aSOIL CHEMISTRY | ||
653 | _aSOIL CHEMISTRY | ||
653 | _aSOILS | ||
653 | _aSOILS - ZINC CONTENT | ||
653 | _aZINC | ||
942 |
_2ddc _cT |
||
999 |
_c19700 _d19700 |