Effect of Continuous Sludge Application on Plant Growth in Light Colored Andosol -Field Experiment-. Kokuritu Kougai Kenkyusyo Kenkyu Houkoku (Research Report from the National Institute for Environmental Studies, Japan) No.46, 147-174 (in Japanese) 1983
The Society of Agricultural Meteorology of Japan
, The Japanese Agricultural Systems Society
, The Agricultural Chemical Society of Japan
, Japanese Society of Soil Science and Plant Nutrition