Cornelia Pacalaj1 a Wolfgang Borchardt2
1LVG Erfurt – Institut of Education and Research in Gardening, Department of Landscaping in : 99085 Erfurt, Leipziger Str. 75 a, Germany, phone: 0049361-3789726, e-mail: c.pacalaj@lvg-erfurt.de,
2 Fachhochschule Erfurt (FHE) – University of Applied Sciences, Department of Landscape Architecture, phone: 0049361-6700267, e-mail: borchardt@la.fh-erfurt.de
Greening areas around objects of transport infrastructure is gaining gained significance - both in urban and rural settlements and outside.
Especially roundabouts, traffic islands, middle lanes, etc.. greening should be according to their importance, polidštily to them every day and sweetened the way for thousands of passing.
In the past, expensive intensive plantings had the consequences of tighter budgets countryside retreat nízkonákladovější, as local councils and planning authorities too expensive plantings can not afford.
To prevent degradation of green grass on the mere surface or monotonous SKALNÍKOVÁ planting, began to work with perennials. Perennials are planted in open schemes so, planting to meet the required criteria - longevity, high aesthetics, while exhibiting low maintenance and nízkonákladovost.
This approach has enabled a spectacular comeback perennials public greenery.
Prefer these plantations consists of year-round interest and changeable color variation, structure a texture.
Department of gardening and landscape design at LVG (Lehr- and Research Institute for Horticulture – "The Institute for Education and Research in Horticulture") Planting schemes developed and tested various types of perennials in Thuringia (Examples of plantings can be found for example in Erfurt, Gothě, Weimaru, Arnstadtu, Ollendorf - small village near Erfurt).
The graph shows the level of maintenance per year, which was required for maintenance in years 2001 when 2005 planting of "Silbersommer" (“Silversummer“).
Required properties perennial plantings in public green :
- Dynamically changing seasonal aspect (struktura, texture and color)
- Stable structure throughout the year
- Long service life and sustainability
- Reducing planning costs, planting and maintenance