Dry matter yield of pure and mixed stands of perennial rye (Secale cereale x S. montanum) and alfalfa or bird’s-foot trefoil

Sipos, Tamás and Zsombik, László (2017) Dry matter yield of pure and mixed stands of perennial rye (Secale cereale x S. montanum) and alfalfa or bird’s-foot trefoil. ACTA AGRONOMICA ÓVÁRIENSIS, 58 (2). pp. 3-15. ISSN 1416-647X

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Abstract

The objective of this research was to study the possibility of increasing the vegetative production of perennial rye by association with alfalfa (Medicago sativa L.) or bird’s- foot trefoil (Lotus corniculatus L.) on the acid sandy soil of Nyírség in Hungary. Mixed stands were sown with different perennial rye density in autumn and spring, and the mowing technology was adapted to leguminous species. This study has revealed that it was suitable for perennial rye to be grown with perennial legumes and to increase its DM production in mixed stands, but the success of this association depended on several different conditions such as the sowing date, the rate of the components and the number of annual harvests. The cumulated forage yields of all mixed treatments were higher compared to the control pure perennial rye stands. From the aspect of perennial rye dry matter productivity and persistence, the most favourable treatment was the association of bird’s-foot trefoil and perennial rye at the highest rate at autumn sowing, where the cumulative DM production of perennial rye in the two years was above the standard. This type of association of perennial cereal and legumes proved to be the most suitable one for the exploitation of the arable soil with adverse conditions.

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