base, charged, earth, iron, large, these, small, form, free, two metal, nutrient, sodium, calcium, basic, major, iron, various, larger, other, total, different, common, certain exchange, between alkali, radical, nutrient, soluble, sodium, calcium, various, different, several divalent, bivalent, trivalent, ammonium, metallic, organic exchangeable, ammonium monovalent, polyvalent, univalent, multivalent, interlayer, inorganic

such, are, may, form, in, through, which present present, across, within occupy

trivalent lanthanide, metal, iron, formunmeasured anionsmonovalent anions, metalpolyatomic anionsdivalent anions, metal, copper, ironinorganic anions, zinc, nutrient, mineral, iron, calcium, acid, metal, soilexchangeable sodium, potassium, magnesium, ca, na, calcium, aluminum, hydrogen, base, formoctahedral interstitial, site, complexvalent iron, metaltetrahedral interstitial, site, framework, complexextractable fe, organic, iron, soilintracellular calcium, potassium, ca, na, sodium, magnesium, iron, free, copper, hydrogenalkali metal, soluble, soil, earthhydrated magnesium, aluminum, calcium, sodium, iron, copper, metal, form, surfaceadsorbed surfactant, anions, hydrogen, organic, molecular, metaldissolved inorganic, organic, fe, mineral, hydrogen, nutrient, calcium, aluminum, iron, zinc, copper, metal, sodiummagnesium ammonium, aluminum, zinc, potassium, metal, calcium, iron, excessvalence shellextracellular potassium, calcium, ca, na, sodium, intracellular, magnesiumorganic anions, modifier, acid, impurity, nutrient, soilpolyvalent metallithium aluminum, metalbivalent metalmetallic mineral, zinc, copper, silver, lithium, impurity, iron, hydrogen, sodium, aluminum, magnesium, fe, surface, shellinterstitial impurity, hydrogen, siteessential micronutrient, nutrientmultivalent metalradical anionscluster anions, containingsoluble inorganic, organic, alkali, calcium, sodium, magnesium, fe, aluminum, potassium, zinc, mineral, nutrient, iron, copper, ca, metal, formacid extractable, anions, soluble, ammonium, soil, adsorbed, sodium, potassiumna ca, sodiumcalcium magnesium, ammonium, ca, aluminumalkaline earth, soil, potassium, hydrogen, copper, sodium, mineral, metalmineral nutrient, soil, zinc, acidca na, fe, calcium, exchangesodium potassium, hydrogen, ammonium, aluminum, na, magnesium, calcium, metalinterlayer exchangesoil organic, nutrient, exchangeable, surface, inorganic, mineralacidic hydrogen, soil, organicmolecular hydrogencharged anions, surfactant, impurity, sodiumbalancing competingpotassium hydrogen, magnesium, sodium, aluminum, calcium, excesstotal extractable, exchangeable, dissolved, solublealuminum ammonium, magnesium, metal, potassium, copper, shellammonium hydrogenhydrogen adsorbedmetal forming, surface, impurity, cluster, shellfixed exchangefree radical, calciumcopper zinc, aluminum, metalzinc metal, copperbase metalpositive valencetoxic organic, inorganic, metal, hydrogenbind calcium, zinccontaining magnesium, ammonium, sodium, zinc, potassium, dissolved, aluminum, calcium, alkali, lithium, hydrogen, copper, inorganic, organic, surfactant, soluble, acidic, metallic, toxic, ironoccupy interstitialexcess alkali, sodium, potassium, interstitial, magnesium, calcium, hydrogen, zinc, copper, extracellular, ironsilver metallic, metalcomplex anions, organicinteract viaexchanged between, viaattracts ironoccurs via, withinlocated within, insidestrong alkali, acid, positive, alkalinemigrate across, via, throughincreases intracellularcontain toxic, magnesium, sodium, calcium, potassium, zinc, aluminumforming hydrogen, soluble, minerallarge polyatomicsimple inorganicframework withinmay contain, appear, adsorbearth attractsbasic frameworkanions such, presentcompensating increase, increasestwo main, competingseveral differentbetween competingcoordinated frameworksurface modifier, soilvarious anionsattract additionalwhich attractsthese includeinvolved inare locatedimpurity sitewhose principal, mainmajor anionsiron zinc, fe, magnesiumspecific nutrientexternal surfacefe metalvia mobiledecreases due