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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1947.tb06367.x/epdf
Last checked: 09/29/2015
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| Publication Type:
| Refereed |
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| Author(s): | Evans, A. C.;
Guild, W. J. McL. |
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| Author Affiliation: | Department of Entomology, Rothamsted Experimental Station, Harpenden, Herts, Great Britain |
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| Title: | Studies on the relationships between earthworms and soil fertility: I. Biological studies in the field |
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| Source: | Annals of Applied Biology. Vol. 34, No. 3, September 1947, p. 307-330. |
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| Publishing Information: | London: Cambridge University Press. |
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| # of Pages: | 24 |
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| Keywords: | TIC Keywords: Relationships; Earthworms; Soil fertility; Seasonal behavior; Pastures; Soil temperature; Soil moisture; Earthworm castings; Ecological distribution
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| Abstract/Contents: | "Changes in the seasonal activity of several species of earthworms have been followed in a permanent pasture field for 18 months, 1945-6. The two soil conditions which chiefly determine activity are temperature and moisture. Other factors are the occurrence of an obligatory diapause in the two species Allolobophora nocturna and A. longa, and changes in population in A. chlorotica and Lumbricus terrestris. Soil temperature and soil moisture also determined the weight of soil thrown up in the form of wormcasts during autumn, winter and spring. It is suggested that only two species, A. nocturna and A. longa, are responsible for wormcasts and that the other four common species present play little or no part in this activity. At Rothamsted it was found that the previous agricultural history of the field is an important factor in determining the fauna. Old permanent pasture is characterized by a high percentage of A. nocturna and a rather lower percentage of A. calignosa. Ploughing old permanent pasture and reseeding to grass after 1 or 2 years arable reduces the proportions of A. nocturna and A. calignosa and increases that of Eisenia rosea. Arable fields have A. chlorotica as the dominant species and pasture fields 2-7 years grass after many years of arable farming still show a high percentage of A. chlorotica and a low proportion of A. nocturna. A survey of the Carse of Stirling, Scotland, showed that soil type is also an important factor in determining the earthworm fauna. A. calignosa was the dominant species on the three soil types studied, but the subdominant species varied. On clay soil, A. longa was subdominant; on loam, A. longa and L. rubellus; on sandy soil, A. longa, L. rubellus and A. chlorotica. The dominant species of pasture land at Rothamsted, A. nocturna, was not found at Stirling." |
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| Language: | English |
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| References: | 10 |
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| Note: | Tables
Graphs
Charts |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Evans, A. C., and W. J. M. Guild. 1947. Studies on the relationships between earthworms and soil fertility: I. Biological studies in the field. Ann. Appl. Biol. 34(3):p. 307-330. |
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| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7348.1947.tb06367.x/epdf
Last checked: 09/29/2015
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: QH 301 .A48 |
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