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2007, vol. 44, br. 2, str. 143-146
Fodder quality from orchard grass and its mixtures with the legumes in the aspect of different nitrogen fertilization
(naslov ne postoji na srpskom)
University of Podlasie, Department of Agronomy, Siedlce, Poland

e-adresalaki@ap.siedlce.pl
Sažetak
(ne postoji na srpskom)
The experiment was carried out in 2002 - 2004 on the lito-genical soil belongs to the arenosol type. It was tested the orchard grass cultivated as monoculture and in the mixtures with red clover or alfalfa by 50% portioning of each species. These plants were fertilizated by different doses of nitrogen (0, 30, 60 and 90 kg ha-1) and stable doses of potassium (100kg K2O • ha-1). Phosphorus fertilizers it wasn't used because in the soil this element was at the high level (48mg/100g soil). The tested plants three times during the vegetation season were harvested. From this green matter the samples (0,5 kg) were taken for the chemical analyses. The chemical analyses on the content of total protein and crude fibre has been done by M1RS method on the equipment InfraAnalyzer 450 produced by Bran + Luebbe firm. The obtained results showed that significantly more total protein (mean about 0,6 % d.m) had mixtures of orchard grass with legumes than orchard grass cultivated as monoculture. The content of this component has increased in the plants together with a growing of nitrogen doses. Content of crude fibre in investigated plant materials was enough high and amounted in the rare 26,9 32,0 % d.m. Statistical analyses showed no significant influence of nitrogen fertilization as well as kind of mixtures on the content of this element in the fodder. Significant differences for crude fibre content has been stated only for the movings.
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