Soil Biological Quality After 36 Years of Ley-Arable Cropping, Permanent Grassland and Permanent Arable Cropping
The long-term effects of a ley-arable crop rotation system on earthworms, nematodes, bacteria and fungi, in comparison with permanent grassland and continuous arable cropping was assessed. The soil organic matter (SOM) in the permanent grassland (PG) plots was almost three times higher than in the p...
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Veröffentlicht in: | Applied soil ecology : a section of Agriculture, ecosystems & environment ecosystems & environment, 2008-10, Vol.40 (2), p.432-432 |
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Sprache: | eng |
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Zusammenfassung: | The long-term effects of a ley-arable crop rotation system on earthworms, nematodes, bacteria and fungi, in comparison with permanent grassland and continuous arable cropping was assessed. The soil organic matter (SOM) in the permanent grassland (PG) plots was almost three times higher than in the permanent arable (PA) plots. The results suggested that major functions of the soil biota in PG were restored in a ley-arable crop rotation. Restoration of soil biota and its functions in the ley phase was only temporary, due to the following arable phase of the crop rotation. For maize cultivation, a ley-arable crop rotation was preferable to continuous arable land. It was concluded that a ley-arable crop rotation was only preferable to continuous arable cropping if it was not practiced at the expense of permanent grassland at farm level. |
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ISSN: | 0929-1393 |