A Soil Test for Phosphorus Based Upon Fractionation of Soil Phosphorus: I. Correlation of Soil Phosphorus Fractions with Plant-Available Phosphorus
1964
Al-Abbas, A. H. | Barber, S. A.
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.
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