Authors
H. T. M. Perera
Department of Soil Science, Faculty of Agriculture, University of Ruhuna, Sri Lanka
D. A. L. Leelamanie
Department of Soil Science, Faculty of Agriculture, University of Ruhuna, Sri Lanka
Morihiro Maeda
Graduate School of Environmental and Life Science, Okayama University, Japan
Yasushi Mori
Graduate School of Environmental and Life Science, Okayama University, Japan