1964•Soil Science Society of America JournalRequires access
A Soil Test for Phosphorus Based Upon Fractionation of Soil Phosphorus: I. Correlation of Soil Phosphorus Fractions with Plant‐Available Phosphorus
A. H. Al‐Abbas, S. A. Barber
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Abstract
Abstract The forms of P in 24 soils were determined by chemical fractionation. The available P was determined by plant growth experiments. Regression analysis of the P fractions with available P showed that iron P explained most of the variation. Water‐soluble P was the only other fraction significantly contributing to the explained variation.