Australian Soil Fertility Manual. Fertilizer Industry Federation of Australia. 2006. ISBN 9780643090217. Indiana nitrogen fertilizer plant on hold over link to
Krishnamurthy, Sudha Gowariker, Manik Dhanorkar, Kalyani Paranjape "The Fertilizer Encyclopedia" 2009, John Wiley & Sons. ISBN 9780470410349. Online ISBN 9780470431771
表1:30°C时一些常见的用作肥料的盐类的临界相对湿度 Adams, J.R., A.R. Merz. Hygroscopicity of Fertilizer Materials and Mixtures. pp. 305-307,. Industrial and Engineering Chemistry