Full TGIF Record # 38774
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Author(s):Liesecke, H.-J.
Author Affiliation:Professor, Fachgeiet GrĂŒnflĂ€chenbau am Institut fĂŒr GrĂŒnplanung und Gartenarchitektur, Technische UniversitĂ€t Hannover, HerrenhĂ€user Straße 2, 3000 Hannover 21
Title:Bodenphysikalische Untersuchungen an Porösen Baustoffen fĂŒr Vegetations- und DrĂ€nschichten, II. Korngrössenverteilung, FrostbestĂ€ndigkeit und pH-Wert
Translated Title:Research into the physical properties of porous materials used in rootzones and as drainage layers, II. Particle size distribution, frost resistance and pH-value water permeability and water uptake capacity
Source:Zeitschrift fĂŒr Vegetationstechnik. Vol. 1, No. 1, July-September 1978, p. 3-9.
# of Pages:7
Publishing Information:Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen
Keywords:TIC Keywords: Pores; Roots; Particle size; pH
Abstract/Contents:"Porous materials are being used increasingly in rootzones and drainage layers for sportsfields and roof gardens. Forty different types of gravel, lava, pumice, spherical and crushed expanded clays, cinders, PORIT and YTONG were tested so as to get an idea of their properties and their suitability as a plant substrate. In the first part of this paper the distribution of particle size, pH-value and frost resistance of the different materials were compared and characterised. As can be clearly seen from the results lava sands, expanded clay sands and fine particled PORIT show in this order an increasing degree of fineness (<0,06 mm). The pH-value of the expanded clays was considerably higher than that of lava and pumice and it varied from moderately to very alkaline. Ytong, PORIT, cinders as well as most of the pumice materials were not very frost resistant. The examination of the frost resistance of the materials has shown itself to be an important criterium in the evaluation of such materials as a suitable substrate for the growing of plants."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Liesecke, H.-J. 1978. Bodenphysikalische Untersuchungen an Porösen Baustoffen fĂŒr Vegetations- und DrĂ€nschichten, II. Korngrössenverteilung, FrostbestĂ€ndigkeit und pH-Wert. (In German) Zeitschrift fĂŒr Vegetationstechnik. 1(1):p. 3-9.
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