<p>Peter Day reports on controversial plans to dig for polyhalite - a type of potash that can be made into valuable fertiliser - underneath the North York Moors National Park.</p>

Peter Day reports on controversial plans to dig for polyhalite - a type of potash that can be made into valuable fertiliser - underneath the North York Moors National Park.

Potash of Gold

<p>Insights into the business world - featuring content from BBC Radio 4's In Business programme, and also Global Business from the BBC World Service.</p>

Business

News

Insights into the business world - featuring content from BBC Radio 4's In Business programme, and also Global Business from the BBC World Service.

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Potash of Gold

Potash of Gold

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