Mobility of Zn, Cd and Pb in soils as affected by poultry litter extract-II. Redistribution among soil fractions

aves de corral cadmio cadmium calcium chloride chlorure de calcium cinc cloruro calcico engrais organique eua farmyard manure fer fumier georgia (eua) georgia (usa) heavy metals hierro iron leaching lead lessivage du sol manganese manganeso metales pesados organic fertilizers oxides oxyde plomb plomo poultry soil soil organic matter sol suelo usa volaille zinc