2Chenery E M. A preliminary study of aluminium and the tea bush.Plant and Soil, 1995,6 : 174 ～ 200
3Konishi S. Chemistry of tea ( In Japanese). In : Muramatsu K. ed. Tea Science. Tokyo: Asakura-Shoten, 1991.21 ～ 32
4Tnchibana N, Yoshikawa S, Ikeda K. Influences of heavy application of nitrogen on soil acidification and root growth in tea fields (In Japanese with English summary). Japanese Journal of Crop Science,1995,64:516 ～ 522
8Robertson G P, Wedin D, Groffman P M, et al. Soil carbon and nitrogen availability: Nitrogen mineralization, nitrification and carbon turnover. In : Roberson G P, Bledsoe C S, Coleman D C. eds. Standard Soil Methods for Long Term Ecological Research. New York: Oxford University Press, 1999.258 ～ 271
9Abeliovich A. Transformations of ammonia and the environmental impact of nitrifying bacteria. Biodegradation, 1992,3 : 255 ～ 264
10Aber J D. Nitrogen cycling and nitrogen saturation in temperate forest ecosystems. Trends in Ecology and Evolution, 1992.7:220 ～ 223
