Individual study: Sowing a low diversity grass seed mix to restore grassland on abandoned alfalfa Medicago sativa fields in Hortobágy National Park, Hungary
Török P., Deák B., Vida E., Valkó O., Lengyel S. & Tóthmérész B. (2010) Restoring grassland biodiversity: Sowing low-diversity seed mixtures can lead to rapid favourable changes. Biological Conservation, 143, 806-812
This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.
Restore/create species-rich, semi-natural grassland
A replicated trial from 2005 to 2008 in the Hortobágy National Park, eastern Hungary (Török et al. 2010) found that perennial meadow grass species sown on ex-arable fields established well after two years of management as hay meadows, but created a dense cover that may prevent more specialist meadow species from establishing. In the first year, weedy annual herbs and grasses dominated (63-82% of vegetation). By the second year, sown grasses had increased, accounting for 16 to 86% of the plant cover. Ten fields were sown with two or three grass species in October 2005, at 25 kg/ha (Festuca rupicola, narrow-leaved meadow-grass Poa angustifolia and smooth brome Bromus inermis on six fields, and Festuca pseudovina and narrow-leaved meadow grass on four fields). The fields covered 93 ha in total. They were mown in late June 2007 and 2008 and hay removed. Plants were surveyed in four permanent plots in each field, from 2006 to 2008.