[Scientific proceedings]
Main parts of this document are: productivity of the crop rotation under different systems of soil cultivation; productive potential of sugar beet on alluvial gleyey soil in the East-Slovakian lowland; analysis of agricultural system of the Michalovce district by the method of carbon balance; dynamics of organic matter increase of lucerne (Medicago sp.) in the East-Slovakian lowland; seasonal changes of soil N contents and effect of N on malting barley quality; accumulation of N, P, K nutrients in the plant organs of a broad-bean; effect of gradual doses of N-fertilizers on organic matter production of clover-grass mixtures; optimalization of winter rapeseed N-fertilization; effect of liquid fertilizers on clover (Trifolium sp.) yield; effect of mixed liquid fertilizer-fungicide application on malting barley yield; seasonal changes of soil N contents and effect of N on malting barley quality; use of factorial analysis as the multivariant statistic method for examination of chamomile stand structure; changes of the soil physical properties and soil compaction on luvisols; contamination of soils in the pollution-risky regions; studies on polychlorinated biphenyl contents in soils of the East Slovakian lowland; occurrence of selected heavy metals in the surface water of the lower Uh analyzed from short-time monitoring; the role of monitoring for examination of soil moisture relations of a specific region; ecological aspects of surface and underground water protection and agricultral use of soils; and evaluation of pork meat quality under EUROP System
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