Flower-rich habitat formation for wild pollinators in intensive agriculture lands

摘要

The experiment was carried out in 2014 at the Institute of Agriculrure (Dotnuva) and ar the Joniskelis Experimental Station (Joniskelis) of the Lithuanian Research Centre for Agriculture and Forestry with the aim of determining annual and perennial species combinations suitable for pollinators and evaluating the effects of field margins on intensively used lands. Floral sward margins were established on the edges of large intensive farming lands (>5 ha). The margins were seeded with four plant combinations: perennial legumes, annual dicotyledons, natural grassland and perennial grasses. Ihc most intensive flowering period was in June and July in all swards combinations. Onobrychis viciifolia Scop., Trifolium rubens L., Sinapis alba L., Galium boreale L. were the earliest flowering species, while Medicago sativa L., Fagopyrum esculentum Moench. and Phacelia tanacetifolia L. had a longer flowering period. It was found rhat the floral swards margins had a positive impact on the yields of legume cropsgrown near margins.