Full TGIF Record # 38798
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Publication Type:
Author(s):Schmidt, W.
Author Affiliation:Agricultural Engineer, Fachgeiet Rasenforschung, Universität Gießen, 63 Gießen, Schloßgasse 7
Title:Rasenfilzbildung unter dem Einfluss physiologisch saurer und physiologisch alkalischer Düngung am Trockenstandort Gießen
Translated Title:Thatch formation as affected by fertilizers with acidifying or calcifying action, at the dry trails center at Gießen
Source:Zeitschrift für Vegetationstechnik. Vol. 1, No. 2, October-December 1978, p. 65-69.
# of Pages:5
Publishing Information:Hannover, W. Germany: Patzer Verlag GmbH and Co. KG, Alter Flughafen
Keywords:TIC Keywords: Thatch accumulation; Fertilizers; Cultivars
Abstract/Contents:"A trial of three turfgrass mixtures at the dry trials center at Leihgestern near Gießen is reported. From 1971 to 1978 the mixtures received fertilizer equivalent to 20 g/m₂ N with either acidifying or calcifying action. Mixture A consisted of P. pratensis, F. rubra and A. tenuis; mixture B of P. pratensis, C. cristatus, and Ph. pratense; and mixture C of P. pratensis and Ph. nodosum. At the beginning of the trial the pH of the loamy sand was about 5; it was scarcely changed by alkaline fertilizer, but was reduced by acid fertilizer to about pH 4. In mixture A the acid fertilizer increased P. pratensis and F. rubra, while the alkaline encouraged A. tenuis. This reaction can be explained by the different drought resistance of these species. In mixtures B and C the P. pratensis was encouraged by acid fertilizer until 1976, but decreased later because wet weather and irrigation favored Phleum, irrespective of fertilizer. In all mixtures acid fertilizer produced a thatch thickness of 25-30 mm and a sward mass of c. 3200 g/m₂ DM; with alkaline fertilizer there was only 13-18 mm thatch and 1800-2500 g/m₂ DM sward mass. In particular from 1976 onwards alkaline fertilizer caused much the better turnover and decomposition of thatch by earthworm activity. The root mass in the 0-5 cm layer was higher with alkaline fertilizer."
Geographic Terms:Gießen, Germany
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Schmidt, W. 1978. Rasenfilzbildung unter dem Einfluss physiologisch saurer und physiologisch alkalischer Düngung am Trockenstandort Gießen. (In German) Zeitschrift für Vegetationstechnik. 1(2):p. 65-69.
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