Yield and forage quality of red clover (Trifolium pratense L.) cultivars in the lowland and the mountain regions

J. Leto, M. Knežević, K. Bošnjak, D. Maćešić, Z. Štafa and V. Kozumplik
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J. Leto: Faculty of Agriculture, University of Zagreb, Croatia
M. Knežević: Faculty of Agriculture, University of Zagreb, Croatia
K. Bošnjak: Faculty of Agriculture, University of Zagreb, Croatia
D. Maćešić: Faculty of Agriculture, University of Zagreb, Croatia
Z. Štafa: Faculty of Agriculture, University of Zagreb, Croatia
V. Kozumplik: Faculty of Agriculture, University of Zagreb, Croatia

Plant, Soil and Environment, 2004, vol. 50, issue 9, 391-396

Abstract: Six Trifolium pratense L. cultivars, five diploid and one tetraploid, were grown in the lowland region (123 m altitude) and the mountain region (650 m altitude). Dry matter (d.m.) and green mass (g.m.) yield, stem height and leaf proportion were assessed from each of the three growing seasons. Chemical composition was assessed from the average samples of all cuts in the second year of the experiment. Greater green mass (54.14 t/ha) and dry matter yield (9.86 t/ha), stem height (0.61 m), crude protein (157.6 g/kg), crude fiber (222.9 g/kg), crude ash (100.68 g/kg) and crude fat (30.09 g/kg) content were observed in the mountain region, compared to the lowland region (45.61 t/ha g.m. 8.92 t/ha d.m. 0.59 stem height, 156.38 g/kg crude protein, 216.6 g/kg crude fiber, 94.85 g/kg crude ash, 24.98 g/kg crude fat). The greater leaf proportion (47.2%) and nitrogen free extract content (420.13 g/kg) were observed in the lowland region compared to the mountain region (42.95% and 402.99 g/kg, respectively). A significant location × cultivar interaction was found for all investigated parameters except for leaf proportion.

Keywords: Trifolium pratense L.; yield; leaf proportion; stem height; chemical composition (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:50:y:2004:i:9:id:4049-pse

DOI: 10.17221/4049-PSE

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