Naslov
Effect of aerial deposition on an experimental station near to Budapest, Hungary

Autori
Kádár, Imre ; Ragályi, Peter ; Lončarić, Zdenko ; Kovačević, Vlado ; Rastija, Mirta

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the 46th Croatian and 6th International Symposium on Agriculture / Pospišil, M. - Zagreb : Agronomski fakultet Sveučilišta u Zagrebu, 2011, 107-111

ISBN
978-953-6135-71-4

Skup
46. hrvatski i 6. međunarodni simpozij agronoma

Mjesto i datum
Opatija, Hrvatska, 14.02.2011. - 18.02.2011

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
aerial deposition ; macro- and microelements ; agricultural importance ; environmental consequences ; nutrient balances

Sažetak
The composition of precipitation and element loads originating from rainwater were examined at an experimental station (Őrbottyán) in Hungary, in order to identify the aerial input of elements and define their effects on agriculture and environment. Twenty-five characteristics were analysed: pH, EC, NO3-N, NH4-N, and concentrations of the main macro- and microelements. The observation represents the dry and wet depositions together. Generally, the lower amount of monthly precipitations resulted in higher EC, pH, NH4- N, Ca, Na, K concentrations. The highest element yields however, were typical for the wet months. Acidic precipitation under pH 5 was rich in nitric acid forming NO3-N, but poor in NH4-N at the Experimental Station. Emission of the nearby cement plant in February and March 2006 caused an increase of Ca, Mg, Na, Sr elements with an order of magnitude compared to the other months and the concentrations of NH4- N, S, Zn, As, Cr, Pb also lifted considerably in the precipitation. The pH reached 7.0 at this site. Aerial input has considerable agronomical and environmental significance. According to this study the aerial deposition could substitute for 10% K, 15% Mg, 20% P, 30% Ca and N, 40% S element demand of an average 5 t/ha cereal grain yield with its 5 t/ha straw. The deposition of Zn, Mn, Fe, Cu, B elements in this site were similar to previous Hungarian and Austrian data, however Pb, Ni, Cd, Co depositions were lower with an order of magnitude, which demonstrates the result of the successful heavy metal pollution control in Europe since 1990.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)

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