Western Potash Corporation has raised its potash resource estimate at the Milestone property in southern Saskatchewan by 40 per cent following the results of a study.

The company said its most recent mineral resource estimate pegs measured and indicated potash on the property at 244 million tonnes, with an inferred resource of 701 million tonnes.

Potash is one of the world's most sought-after resources as a key ingredient in the fertilizer needed to raise crop yields to feed a growing global population.