K+S, a German mining group, warns that U.S. import tariffs on potash fertilizers will challenge domestic farmers. The U.S.

German mineral mining group K+S warns that new US import tariffs on potash fertilisers pose a major challenge for American agriculture. The US relies heavily on imported potash fertilisers due to ...

German mineral mining group K+S , which also produces potash fertilisers in Canada, said that import tariffs to be imposed by the United States would greatly challenge U.S. farmers.