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A Soil Test for Phosphorus Based Upon Fractionation of Soil Phosphorus: I. Correlation of Soil Phosphorus Fractions with Plant‐Available Phosphorus
Author(s) -
AlAbbas A. H.,
Barber S. A.
Publication year - 1964
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1964.03615995002800020027x
Subject(s) - phosphorus , fractionation , soil water , chemistry , environmental chemistry , fraction (chemistry) , soil test , agronomy , environmental science , soil science , biology , chromatography , organic chemistry
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.