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| Titel: |
Strategy for catch crop development II. Screening of species undersown in spring barley (Hordeum vulgare L.) with respect to catch crop growth and grain yield |
| Auteur: |
Karlsson-Strese, E. -M. Rydberg, I. Becker, H. C. Umaerus, M. |
| Verschenen in: |
Acta agriculturae Scandinavica. Section B, Soil and plant science |
| Paginering: | Jaargang 48 (1998) nr. 1 pagina's 26-33 |
| Jaar: |
1998-03 |
| Inhoud: |
Catch crops are recommended in Sweden as a way of decreasing nitrogen leaching from arable land. In six field trials a total of 118 accessions from 39 species of Poaceae, Fabaceae and “other”; families was tested as potential undersown catch crops. Barley yield was used as an indicator of competition. Establishment, height and green-matter production, after harvest of the main crop and in December, were estimated for the accessions. In general, the Poaceae showed the highest green-matter production, but they also had the largest negative influence on barley yield. With Poaceae as a catch crop, the barley yield was reduced by 5-15% for all species except for Agrostis tenuis, Festuca rubra and Holcus lanatus but these three species had a lower green-matter production than the average of all Poaceae. Of all Poaceae investigated, only one accession of Dactylis glomerata combined high green-matter production with no negative influence on barley yield. In the Fabaceae and the “other”; families, 11 out of 27 species had no negative influence on barley yield and of these Trifolium repens, Lotus corniculatus and Cichorium intybus had above-average green-matter production and are, therefore, of special interest for further investigations. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 9 van 10 gevonden artikelen
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