Dry matter yield of oat-Egyptian clover mixture under varying proportions and different growth stages of oat
Mixtures of oat (Avena sativa L.) with Egyptian clover (Trifolium alexandrinum L.) under different seeding rates (100% oat+100% Egyptian clover, 75% oat+100% Egyptian clover, 50% oat+100% Egyptian clover, 25% oat+100% Egyptian clover, 0% oat+1000% Egyptian clover, and 100% oat+0% Egyptian clover) ha...
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Veröffentlicht in: | International journal of agriculture and biology 2013-01, Vol.15 (4), p.673-679 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Mixtures of oat (Avena sativa L.) with Egyptian clover (Trifolium alexandrinum L.) under different seeding rates (100% oat+100% Egyptian clover, 75% oat+100% Egyptian clover, 50% oat+100% Egyptian clover, 25% oat+100% Egyptian clover, 0% oat+1000% Egyptian clover, and 100% oat+0% Egyptian clover) harvested at various growth stages of oat (stem elongation, booting and early heading) were evaluated for dry matter production. Results revealed that dry matter yields increased with delayed cutting from stem elongation to early heading stage. Higher oat proportions in sowing mixture resulted in higher first cut dry matter yields but negatively affected the Egyptian clover first cut and re-growth DM yield. Lower first cut DM yield at lower oat proportions were compensated by vigorous Egyptian clover re-growth. It may be suggested that for obtaining higher DM yield from oat: Egyptian clover mixture under two-cut system best combination of seeding rate and harvesting stage is 25:100% and early heading stage. |
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ISSN: | 1560-8530 1814-9596 |