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* Must have a pH of between 6.0 and 7.8;
* Must have a pH of between 6.0 and 7.8;
* Must have a sodium absorption ratio less than 15;
* Must have a sodium absorption ratio less than 15;
* Must have a cation exchange capacity of greater than 10 milliequivalents per 100 grams (meq/100 g).
* Must have a cation exchange capacity greater than 10 milliequivalents per 100 grams (meq/100 g).
Specify that 4 litre samples of topsoil, from each source to be drawn upon, be provided to the consultant for visual inspection, along with topsoil quality test results from an accredited soil testing laboratory, or a quality assurance certificate from the supplier.
Specify that 4 litre samples of topsoil, from each source to be drawn upon, be provided to the consultant for visual inspection, along with topsoil quality test results from an accredited soil testing laboratory, or a quality assurance certificate from the supplier.