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