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Reports \ Sludge and Waste Management \ Nutrients

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The Environmental Impact of Phosphorus from the Agricultural Disposal of Sewage Sludge - Stage 3

97/SL/02/4 - ISBN: 1 84057 013 X

Laboratory, lysimeter and field studies continue to show wide variability the potential bioavailability of phosphorus in sewage sludge. Under operational rates of application, losses of phosphorus in run-off from plots recei... More...

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The Environmental Impact of Phosphorus from the Agricultural Use of Sewage Sludge - Final

00/SL/02/5 - ISBN: 1 84057 191 8

This project started in 1994 and most of the experimental work finished in 1998. Progress reports on the work have been published over the last five years. The six final reports from the individual experiments are presented... More...

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Beneficial Effects of Biosolids on Soil Quality and Fertility

01/SL/08/2 - ISBN: 1 84057 216 7

The literature review and field study measurements have demonstrated that repeated biosolids applications have beneficial effects on a range of soil physical (plant available water supply, soil strength and porosity, and wate... More...

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Beneficial Effects of Biosolids on Soil Quality and Fertility – Literature Review

99/SL/08/1 - ISBN: 1 84057 173 X

Application of biosolids, usually at a rate of 250 kg N ha -1 , will typically apply 5- 8 tds ha -1 , equivalent to 2- 4 t OM ha -1 . Regular application of biosolids at this rate will lead to slow but progressive increases i... More...

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The Signficance of Sewage Sludge as a Source of Phosphorus Loss from Agricultural Land to Surface Waters : A Literature Review

95/SL/02/1 - ISBN: 1 84057 071 7

Sludge applications based on nitrogen requirements may lead to an accumulation of phosphorus in soil. There is a risk of consequential eutrophication in vulnerable areas. Although the immediate availability of phosphorus from... More...

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