The soil was steamsterilized
(121 8C for 2 h) by autoclaving to eliminate native
AM propagules, before it was divided into four equal parts
of 1.0 kg each and amended to contain 0, 5, 10 and 20 mg
Cd kgK1, respectively by adding appropriate concentrations
of CdCl2. De-ionised water was added to the soils to achieve
a moisture content of 70% of field capacity.