참고문헌
- Hyllton, M.C. 1999. Potassium. Magnesium and Sulfate and Its Role in Balanced. Plant Nutrition. IMC Global, Bannockburn, Ill, USA. p.14.
- Lindhauer, M.G. 1985. The Role of Potassium in Plant with Emphasis on stress conditions, water, Temperature, salinity. In: Proceedings of the Potassium Symposium.
- Mengel, K. 1997. Impact on Potassium on Crop yield and Quality with regard to Economical and Ecological Aspects. In: Proceedings of the IPI Regional Workshop on: Food Security in the WANA region, the essential need for balanced fertilization, held at bornova Izmir, Turkey. 26-390 May 1997 International Potash Institute, Bern Switzerland. pp. 157-174.