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On the basis of obtained results a de-acidifying compost effect was proved. In the subsequent years, irrespective of the applied fertilization, a declining pH value was registered but also an increasing value of soil hydrolytic acidity. The highest acidification rate occurred in the soil with the mineral treatment. During the three year period of the investigations a decline in the organic C content...
Sludge and vermicompost of organic origin were examined in a field experiment aimed at determining their suitability as soil fertilisers. The experiment was performed in three consecutive years (1996-98) on the sludge originating from a biological and chemical tannery sewage treatment plant and vermicompost based on the sewage sludge to which fruit tree leaves and wheat straw were added. Comparison...
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