By J. E. Hall
Advances within the creation of sewage sludge were such a success of past due that the excess has flooded the industry, and threatens our basements and rivers. What to do, now that there's no position to throw it away? dozen papers from a global convention on the U. of York (England) in Sept
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Additional resources for Alternative Uses for Sewage Sludge. Proceedings of a Conference Organised by WRc Medmenham and Held at the University of York, UK on 5–7 September 1989
National Assoc. C. 39 W. E. Sopper (8) Allaway, W. H. (1968). Agronomic controls over the environmental cycling of trace metals. Advances in Agronomy, 20, 235-271. (9) Page, A. , R. H. Miller and D. R. Kenney (1982). Methods of soil analysis, Part 2, Chemical and microbiological properties. American Soc. of Agronomy, Madison, WI. (10) Seaker, E. M. and W. E. Sopper (1988). Municipal sludge for minespoil reclamation: I. Effects on microbial populations and activity. J. Environ. Qual. 17 (4), 591-597.
I. D. Pulford and H J. Duncan (1987). Studies on the oxidation of pyrite in colliery spoil. II. Inhibition of the oxidation by amendment treatments. Reclamation and Revegetation Research, 6, 1-11. (6) Topper, K. F. and B. R. Sabey (1986). Sewage sludge as a coal mine spoil amendment for revegetation in Colorado. J. Environmental Quality, 75, 44-49. (7) Sopper, W. E. and E. M. Seaker (1984). Use of municipal sewage sludge to reclaim mined land. CRC Critical Reviews in Environmental Control, 73, 227-271.
Two plots ,which were acidic soils to be corrected for organic matter deficiency and by liming, were studied in particular (see Table 3). After spreading the sludge, winter wheat was grown as a test crop in the 1981-1982 and 1982-1983 seasons. 1981 -1982: It was decided to apply the sludge on three plots, atfiverates of addition including a control without any sludge (0, 15, 25, 32 and 50 t/ha). However, one plot could not be harvested. Sludge was applied during the spring prior to planting in the autumn.