
%0 Journal Article
%A Barton, L 
%A Carr, SJ 
%T Development and verification of a quick test for the diagnosis of aluminium toxicity on the deep yellow earths of Western Australia
%J Soil Research
%D 1996/10/01
%V 34
%N 5
%P 781-788
%K electrical conductivity, field test, phytotoxic aluminium, soil acidity.
%R https://doi.org/10.1071/SR9960781
%U https://www.publish.csiro.au/paper/SR9960781 
%X A quick test for estimating phytotoxic aluminium (Al) has been developed for the deep yellow earths of Western Australia. The method is based on a visual assessment of Al extracted by 0.005 M potassium chloride, using pyrocatechol violet as a colorimetric reagent, combined with a measure of electrical conductivity (EC). Quick test measurements were compared with wheat yields from 52 sites to determine if the method could distinguish between Al toxic and Al non-toxic subsoils. A ratio of [Al]:EC was a better predictor of grain yield than [Al] alone. 
