Ohki, Takaaki.

Physicochemical properties of sludge and it's effectiveness as a soil-additive / Takaaki Ohki ...[et al.]. - Japan: Research Institute of Industrial Technology, Nihon University, 1992. - 15 p. : ill. - Report of the Research Institute of Industrial Technology, Nihon University; .

03861678


Sewage sludge as fertilizer.