Forage Yield, Quality, and Weed Suppression in Narbon Vetch (Vicia narbonensis L.) and Italian Ryegrass (Lolium multiflorum L.) Mixtures Under Organic Management

Demircan M., Kizil Aydemir E. S., Kaçan K.

Agronomy, cilt.15, sa.8, 2025 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 15 Sayı: 8
  • Basım Tarihi: 2025
  • Doi Numarası: 10.3390/agronomy15081796
  • Dergi Adı: Agronomy
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Agricultural & Environmental Science Database, CAB Abstracts, Food Science & Technology Abstracts, Directory of Open Access Journals
  • Anahtar Kelimeler: bigvetch, crude protein yield, dry weed yield, green grass yield, ryegrass
  • Bilecik Şeyh Edebali Üniversitesi Adresli: Evet

Özet

This study aimed to evaluate the forage yield, quality, and weed suppression potential of narbon vetch (Vicia narbonensis L.) and Italian ryegrass (Lolium multiflorum L.) grown as sole crops and in mixtures under organic farming conditions in Bilecik, Turkey, during the 2020–2021 growing season. The experiment included 15 treatments comprising monocultures and mixed sowing at different ratios. Measurements included morphological traits, forage yield components (green herbage, hay, and crude protein), fiber content, botanical composition, and weed biomass. The results reveal significant differences among treatments in terms of growth parameters and forage performance. Monocultures of IFVN 567 and Bartigra showed the highest green and hay yields, while mixtures such as IFVN 567 + Trinova and IFVN 567 + Bartigra outperformed in terms of land equivalent ratio (LER) and protein yield, demonstrating a clear advantage in land use efficiency. Furthermore, these mixtures showed superior weed suppression compared to monocultures. Overall, the findings suggest that carefully selected vetch–ryegrass combinations can enhance forage productivity, nutritional quality, and weed management under organic systems.