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2008, vol. 17, iss. 1, pp. 69-74
Weed distribution on natural grasslands of the Moravica district
aUniversity of Novi Sad, Faculty of Agriculture
bUniversity of Kragujevac, Faculty of Agronomy, Čačak
Abstract
Grasslands in the Moravica District, including natural meadows and pastures, cover an area of about 77.763 ha, or 45.001 ha and 32.762 ha respectively, accounting for 46.4% of total acreage of 167.710 ha. Weeds, which make a significant but undesirable component of natural meadows and pastures, increasingly cause reductions in productivity and quality of biomass. Natural grasslands in the Moravica District fail to produce satisfactory yields and quality of forage on a considerable acreage, primarily due to a lack of cultivation and utilization methods. Considering the importance of livestock improvement in Serbia, particularly in upland regions, the objective of this research was to determine the distribution and floristic composition of weed species at a number of representative locations in order to improve forage production using adequate cultural practices. The examination was conducted at seven locations in the Moravica District, including 12 natural grasslands (9 meadows and 3 pastures). The natural meadows and pastures of the region were in an advanced stage of degradation, as suggested by high distribution of weeds, and even harmful and toxic species (an average of 39.85%), the proportion of quality grasses and legumes being 40.53% and 19.62%, respectively. Weed distribution ranged from 8.48% to 68.06%, depending on soil properties, location, cultural practices, grassland utilization methods, etc. An analysis of floristic composition on non-fertilized meadows indicated a high share of weeds and minor grass species (71.13%). Conversely, considerably higher grass and legume percentages, 62.38% and 34.12% respectively, were recorded on fertilized meadows.
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article language: Serbian
document type: Original Scientific Paper
published in SCIndeks: 31/10/2008

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