References
- Baek T.H. and K.C. Zeong. 1991. Hwahag (Chemistry). DongA Soezeog publishing Co. Ltd. pp. 117-247. Seoul
- Chang K.W., S.A. Kim and Y.H. Kim. 1993a. Effect of water treatment sludge application on the growth of Altari radish(Raphanus sativus). J. Korean Soc. Soil Sci. Fert. 26(2):78-84
- Chang, K.W., S.A. Kim, Z.Z. Lee, S.K. Ham, I.B. Lee, P.Z. Kim, J.S. Lim, K.H. Choi and K.H. Min. 1993b. Zeongsuzangseuleozieui Nongeopzairyoiyong (Research on utilization of alum sludge as agricultural material) (in a Report 'Recycling and optimum management plan of water treatment plant sludge'). pp. 54-133. Korea Water Resources Corporation
- Choi, I.S., B.H. Han, M.J. Hwang, B.K. Jang, S. S. Jun, S.Y. Jung, E.Y. Kim, J.W. Kim, J.H. Kim, M.J. Kim, E.M. Lee, H.J. Lee, J.K. Lee, K.H. Lee, S.C. Lee, C.Y. Nam, J.W. Park, K.W. Park, M.S. Park(1), M.S. Park(2), Y.H. Son, S.M. Yoo, Y.H. Lee, J.D. Lee, K.W. Chang, S.A. Kim, and B.H. Park. (2007). Effect of Water Treatment Sludge(WTS) on trace metals content in Sorghum(Sorghum bicolor (L.) Moench). I. Copper content of the forage. Zayeonkwahag Yeonku Nonmunzib (Journal of Natural Science, Joongbu University).16: 81-87. (in print)
- Glasstone, S. and D. Lewis. 1972. Elements of Physical Chemistry (Maruzen Asian Edition). D. Van Nostrand Company Inc. Maruzen Company Ltd. pp. 452-506. Tokyo
- Haraguchi, H. 1993. ICP-Bangtchulbunkwangbeopeui Kitchowaeungyong (Fundamentals and Application of Flame Emissional method of Inductively Coupled Plasma (ICP), translated into Korean by Y.S. Kim and H.Z. Seong). Hanguk Bunseogkwahaghoe (Korean Analytical Chemistry Committee). Zayu Academy Publishing Co. Ltd. pp. 173-197. Seoul
- Huheey, J.E., E.A. Keiter, R.L. Keiter. 1993. Inorganic chemistry-Principles of structure and reactivity (fourth edition). Harper Collins College Publishers. pp. 10-953, A21-34. New York
- Kanwar, J.S. and L.J. Youngdahl. 1985. Micronutrient needs of tropical food crops. Fertilizer Research Volume 7. pp. 43-67. Netherlands
- Kim, S.D. 1988. Studies on potassium behavior in grassland with respect to magnesium balance of ruminants. Ph. D. thesis. Nagoya University. pp. 20-71
-
Kim, S.A. and K.W. Chang. 2000. Effects of alum sludge application on root growth of forage sorghum (Sorghum bicolor
${\times}$ S. bicolor) cultivated in mountainous Kumsan district. J. Korean Grassl. Sci. 20:85-90 -
Kim, S.A., K.W. Chang, J.S. Lim and Y.H. Kim. 1997. Effects of alum sludge application on the growth of forage sorghum(Sorghum bicolor
${\times}$ S. bicolor). J. Korean Grassl. Sci. 17(1):51-58 - Kim, S.A., I.S. Choi, B.H. Han, M.J. Hwang, B.K. Jang, S.S. Jun, S.Y. Jung, E.Y. Kim, J.W. Kim, J.H. Kim, M.J. Kim, E.M. Lee, H.J. Lee, J.K. Lee, K.H. Lee, S.C. Lee, C.Y. Nam, J.W. Park, K.W. Park, M.S. Park(1), M.S. Park(2), Y.H. Son, S.M. Yoo, Y.H. Lee, J.D. Lee, J.S. Lim, Y.H. Kim, K.W. Chang, and B.H. Park. (2007). Effect of Water Treatment Sludge (WTS) on trace metals content in Sorghum (Sorghum bicolor (L.) Moench). III. Nickel content of the forage. Zayeonkwahag Yeonku Nonmunjib (Journal of Natural Science, Joongbu University). 16:63-69. (in print)
- McDonald, P., R.A. Edwards and J.F.D. Greenhalgh. 1985. Animal nutrition (third edition). Longman. pp. 85-109. London and New York
- Mengel, K. and E.A. Kirkby. 1978. Principles of plant nutrition. International Potash Institute. pp. 513-514. Worblaufen-Bern (Switzerland)
- Pinta M., G. Baudin, R. Bourdon, F. Burelli, A. Condylis, F. Ecrement, H. Hocquaux, G. Kovacsik, V. Kuhn, J. Laporte, J. Normand, C. Riandey, M.E. Ropert, F. Rousselet, S. Ryser, F. Thuillier, I. Voinovitch. 1979. Spectrométrie d'absorption atomique (2 ed.). Masson. O.R.S.T.O.M. pp. 173-249. Paris
- Son, E.L. and B.H. Park. 1999. Nongsaengmul Tonggyehag (Statistics for agro-biology). Hanseo Publishing Co. Ltd. pp. 63-87. Seoul