太田誠一 (農芸化学者)
Kumada 1978; Studies on the humus forms of forest soil (5) Elementary composition of organic matter of brown forest soil. Soil Sci. Plant Nutr., 24, pp.27-40
Ohta S. and K. Kumada 1978; Studies on the humus forms of forest soil (6) Minerilization of nitrogen in brown forest soils. Soil Sci. Plant Nutr., 24, pp.41-54
Ohta S. and K. Kumada 1978; Studies on the humus forms of forest soil (7) Nitrogen transformation during incubation. Soil Sci. Plant, Nutr., 24, pp.253-264
Shido H., S. Ohta and S. Kuwatsuka 1978; Behavior of phenolic substances in the decaying process of plants, IX. Distribution of phenolic acids in soils of paddy field and forest. Soil Sci. Plant Nutr., 24, pp.233-243
Ohta S. and K.