Norwegian fertiliser and LPG carrier company Yara International says its third quarter result was "weak".

Net profit was NOK 709m ($89m), down from NOK 821m a year ago.

It blamed higher energy costs and a weaker US dollar, which more than offset the impact of higher deliveries.

Revenue was down slightly at NOK 23.7bn from NOK 23.9bn.

CEO Svein Tore Holsether said: "Our financial results are weaker than a year earlier due to lower commodity fertiliser margins.