Odhad rizika difúzneho znečistenia podzemných vôd dusíkom z polhohospodárstva (original) (raw)

Abstract

Risk is the result of the interaction of vulnerability (determined by the characteristics of the environment overlying groundwater in relation to water transport or soil solution) and environmental pollutant load (also called hazard) as a result of agricultural activities. From the significant environmental parameters in terms of groundwater pollution due to leaching of nitrogen (particularly nitrates, the amount effective rainfall in the winter half, long-term capacity of soil to accumulate water which is crucially influenced by grain size, permeability of geological environment and depth of groundwater) are taken into account. From the land management parameters the balance of nitrogen and plant cover on agricultural land in the winter half at district level SR are considered. On the basis of relationship used, 4.46% of agricultural land falls into the category of very high and high risk, 37.55% in the medium risk category and 57.99% in the category of low and very low risk of dif...

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