Ocena użytków zielonych odnowionych metodą pełnej uprawy położonych na glebie organicznej w dolinie rzeki Randow (Niemcy)
Journal Title: Łąkarstwo w Polsce - Year 2015, Vol 18, Issue
Abstract
The meadow experiment was conducted in the years 2009–2011 on meadows located on organic muck soil in the valley of the river Randow near Ramin (Germany). The restoration of grasslands was performed with the use of full cultivation method in 2007. The aim of the study was to compare seven grass mixtures in the context of their suitability for grassland restoration on organic soil. Detailed studies included: floristic composition of meadow sward, the yield of dry matter and contents of: crude protein, monosaccharides, crude fibre and net energy concentration. The floristic composition of meadow sward in the first year of full use (2009) coincided with the content of mixtures used for sowing on the individual objects. Winter, with its low temperatures and longlasting snow cover, as well as the excess of water in the soil and surface inundations in the spring of 2010, caused the absence of Lolium perenne in the sward. Resistant to the conditions proved to be: Festulolium braunii, Poa pratensis, Dactylis glomerata, Phleum pratense, Festuca pratensis and Festuca arundinacea. In such habitat conditions, the changes in vegetation were dynamic in the following years, leading to increased biodiversity and the appearance of dominants on individual objects. Mean results of the three years of studies show the greatest productive potential on object (mixture) 7, sown with mixture: Festuca arundinacea – 50% + Dactylis glomerata – 40% + Poa pratensis – 10%, followed by object 3 (Lolium perenne – 29% + Dactylis glomerata – 42%, Phleum pratense – 18% + Poa pratensis – 11%) and object 4 (Lolium perenne – 29% + Dactylis glomerata – 21%, Phleum pratense – 18% + Poa pratensis – 11% + Festulolium braunii – 21%), whereas the smallest productive potential was noted in object 2 ( Lolium perenne – 28% + Poa pratensis – 29% + Festulolium braunii – 43%).When analysing the parameters of forage quality (crude protein, soluble sugars, crude fibre, net energy) it can be stated, that they reached similar levels on all objects, however to a large extent depended on the harvested swath, where the first swath was superior.
Authors and Affiliations
Heneryk Czyż, Heidi Jänicke, Teodor Kitczak, M. Bury
Keywords
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