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Author(s): | Habegger, E. |
Author Affiliation: | "Intergreen-Labor AG", Liebefeld, German Federal Republic |
Title: | Biologische Aktivität in Rasentragschichtgemischen |
Translated Title: | [Biological activity in rootzone mixtures] |
Source: | Rasen, Grunflachen, Begrunungen. Vol. 9, No. 1, March 1978, p. 2-5. |
Publishing Information: | Bonn-Bad godesberg, Hortus Verlag |
# of Pages: | 4 |
Keywords: | TIC Keywords: Catalase test; Root zone; Microorganisms; Soil structure; Roots
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Abstract/Contents: | An investigation was made on the biological activity of various soils and root zone mixtures by means of a catalase test. Good soil structure will only develop in a soil which contains organic matter and shows high biological activity. Conditions for the life of soil organisms are mainly influenced by factors such as amount of water and air in the soil, soil temperature, mineral content and soil reaction. The catalase activity test shows encouraging possibilities of determining, in a simple manner, certain reactions of living organisms in the soil. The experimental results can be summarized as follows: 1) Catalase activity in various typical natural Swiss topsoils showed a range of values, most of which could be considered normal. 2) The biological activity of rootzone mixtures with an average topsoil content of 20% by volume fell below the level of what is considered "poor" or "very poor" in agriculture. 3) In root zone mixtures to which organic materials had been added, the K value was several times higher, after a period of 18 months, than in mixtures without such additions. 4) In mixture with high biological activity there was much more development of deep roots, less formation of raw fibre layers, and an improvement in chemical and physical properties. |
Language: | German |
References: | 3 |
Note: | Abstract appears in German, English, and French Tables Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Habegger, E. 1978. Biologische Aktivität in Rasentragschichtgemischen. (In German) Rasen Turf Gazon. 9(1):p. 2-5. |
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