Long term influence of fertilization in a Nardetum - Results from the test plots of Dr. W. Lüdi on the Schynige Platte
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Description
This part refers to the previous article ‘The management of great quantities of data from permanent plots’, where the techniques of data management and analysis are described.
From the plots of Dr. W. Lüdi, the average indicator values were calculated for moisture, soil reaction, nutrients supply, humus and dispersion, according to Landolt (1977). Significant correlations between the average N-(nutrient) and R-(soil reaction) indicator values are discussed. For some selected species, the long-time reaction to different fertilizers is presented. The problem of outliers is discussed due to the average indicator values and groups of species.
From the plots of Dr. W. Lüdi, the average indicator values were calculated for moisture, soil reaction, nutrients supply, humus and dispersion, according to Landolt (1977). Significant correlations between the average N-(nutrient) and R-(soil reaction) indicator values are discussed. For some selected species, the long-time reaction to different fertilizers is presented. The problem of outliers is discussed due to the average indicator values and groups of species.
Date of Publication
1992-12
Publication Type
Article
Subject(s)
Keyword(s)
permanent plots
•
alpine grassland
•
fertilization experiment
•
indicator values
Language(s)
en
Contributor(s)
Dähler, Werner |
Series
Vegetatio
Publisher
Springer
ISSN
0042-3106
Access(Rights)
restricted