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