Full TGIF Record # 34870
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Author(s):Felber, R.; Glauser, M.; Strehler, C.
Author Affiliation:Bio-Conseils SA, 2000 Neuchâtel, Suisse
Title:Versuche zur Schaffung von Gr├╝nfl├Ąchen auf verbessertem Skelettmaterial unter besonderer Ber├╝cksichtigung von Nitrat- und Schwermetallaustrag
Translated Title:Investigations on creating green cover on ameliorated crushed rock, with special attention paid to the leaching of nitrate and heavy metals
Source:Zeitschrift f├╝r Vegetationstechnik. Vol. 13, No. 4, October-December 1990, p. 127-135.
# of Pages:9
Publishing Information:Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen
Keywords:TIC Keywords: Soil types (Lithological); Calcareous soils; Soil testing; Sewage sludge; Soil amendments; Composted sludge
Abstract/Contents:"In the course of the construction of the N5 motorway in Switzerland an area of artificial soil, made from crushed calcareous rock, was created as an experimental operation...intended to show whether topsoil can be replaced by a mixture of sewage sludge composts and the calcareous material. ... In order to determine the best composition of the mixture, and the part played by every component in soil formation, layers 15, 30, and 45 cm thick were put down with compost proportions ranging from 0-75 per cent, with and without the addition of marl. These various substrates were laid out as trial plots of 1 m2 each, and also tested in lysimeters to establish the quality and quantity of the water percolating through them. All plots were sown with a grass seeds mixture, and received fertilizer in the first year. Various different maintenance programs were carried out from the second year onwards. Plant production is being measured regularly, the development of the soil studied by means of biological, physical and chemical analyses and by physical measurements in the field. The lysimeter data showed an annual loss of heavy metals in the percolation water of less than 0.1 per cent of the total content of the soil. The surplus nitrate in the mixtures with high proportions of compost declined largely after the first year so that in the third year values of less than 0.1 mg per 100g soil or less than 0.1 mg per litre of percolation water were obtained." The test is planned for a five year duration. In addition to the above results in the root zone, organic-mineral aggregates have formed that have led to an increase in the soil cohesion, and to the probability of a well rooted green surface.
Note:Summary lang.: De., En.
Based on a report given at the XX. Internationalen Rasenkolloquium held between September 5-8, 1990 in Gie├čen
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Felber, R., M. Glauser, and C. Strehler. 1990. Versuche zur Schaffung von Gr├╝nfl├Ąchen auf verbessertem Skelettmaterial unter besonderer Ber├╝cksichtigung von Nitrat- und Schwermetallaustrag. (In German) Zeitschrift f├╝r Vegetationstechnik. 13(4):p. 127-135.
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