The distribution of zinc in selected soils in Louisiana

Abstract
The zinc (Zn) content of ten selected soils in Louisiana was partitioned into the following fractions: water‐soluble, exchangeable, chelated, organic and residual. In seven of the soils, water‐soluble > exchangeable < chelated < organic < residual Zn. In three of the soils, water‐soluble < exchangeable < chelated < organic < residual Zn. The ten soils contained an average of 1.7, 0.9, 2.6, 4.4 and 86.4 per cent of the total in the water‐soluble, exchangeable, chelated, organic and residual mineral Zn fractions respectively.

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