MELBOURNE -- BHP's push into potash will cost up to $1.7 billion more than originally estimated, the Australian mining giant revealed on Friday.
Australian miner's push into fertilizer aims to diversify as iron ore plateaus

BHP is pushing deeper into potash and copper to offset weakening Chinese demand for iron ore. © BHP
MELBOURNE -- BHP's push into potash will cost up to $1.7 billion more than originally estimated, the Australian mining giant revealed on Friday.