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4
Content available Trawa pampasowa ozdobą parków i ogrodów
63%
EN
Grasses were appreciated in decorating of gardens only in the twentieth century, nonetheless the perennial nurseries and garden centres offer today a wide assortment of plants from this group. These plants are primarily ornamental thanks to habit, leafs and inflorescences. Their features are gaining importance when we try to associate them with other perennials and shrubs. A basic condition for successful cultivation of grass in the garden is to take account of their environmental requirements.
7
Content available Produkcyjność traw w uprawie polowej
63%
EN
The contents of organic and mineral components in 18 cultivars of Lolium perenne L. were compared. The result of chemical analyses came from two Experimental Strain Test Stations: at Śrem (Great Poland) and at Bukówka (Sudetic Mountain Region). Chemical analyses of the first outgrowth of the cultivars were carried out in the first year of full utilization (1997). The plants were cut down at full heading stage of the cultivars. The contents of N-free extract compounds in all the cultivars coming from the Sudetic Mountain Region appeared higher than those in samples from the Great Poland. At both the Stations the tetraploid cultivars were characterized by an above average content of N-free extract. Inverse relations were found in case of the quantity of fibre and ash components. The average contents of total protein were similar in both the habitats. The cultivars from the Sudetic Mountain Region were characterized by a greater amount of metabolic energy (from 10.79 to 11.94 MJ in 1 kg of DM). It could have been influenced by a higher amount of N-free extract compounds contained in the plant mass of all the cultivars, what has been corroborated by a higher value of the coefficient of correlation between the amount of metabolic energy and N-free extract. The cultivars 'Anduril', 'Barylou', 'Bravo' and 'Canasta' appeared to have been off less feeding value (as expressed by means of Emetabol) irrespective of habitat. Now, above-average feeding value was found in the cultivars 'Barezane', 'Kelibia', 'Hercules' and 'Solen'. Stronger response to the habitat conditions was that of the cultivars 'Arka', 'Fanda' and 'Napoleon'.
16
Content available Plony białka z traw w uprawie polowej
51%
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