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EFFECT OF LONG-TERM FERTILIZATION ON THE AVAILABLE TOXIC ELEMENT CONTENT OF DIFFERENT SOILS

Authors: Éva LEHOCZKY; Katalin DEBRECZENI; Zsanett KISS; Tamás SZALAI;

EFFECT OF LONG-TERM FERTILIZATION ON THE AVAILABLE TOXIC ELEMENT CONTENT OF DIFFERENT SOILS

Abstract

The National Long-Term Fertilization Trials were set up more than 30 years ago and in that time soil and water protection and environmental relations of fertilization had not been the direct aim of research. From the agricultural load the use of phosphate fertilizers gets outstanding attention because of the accumulation of toxic heavy metals. The aim of our research was to study the infl uence of long-term, intensive fertilization on the available toxic element content and accumulation in different soils. Samples were collected from 8 experimental sites with equal treatments from the depth of 0-20 cm. The so-called available, 0,1M KCl + 0,05M EDTA extractable element content was determined. In the paper the results of Cd, Pb, Cr, are discussed in details. The experimental results of toxic elements show that the 28-year old constant fertilization treatments did not result higher values than the accepted concentration level, even they did not approach it.

Country
Croatia
Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Agriculture lcsh:S

Keywords

long-term trials; fertilization; available; toxic elements; soil, fertilization, S, available, Agriculture, long-term trials, soil

[5] Debreczeni, B.; Debreczeni, K. Trágyázási Kísérletek 1960-1990. Akadémiai Kiadó: Budapest, Hungary, 1994; 411 pp.

[6] Fodor, L. 2000. Nehézfémek akkumulációja a talaj-növény rendszerben. PhD Dissertation. Keszthely, Hungary.

[7] Kádár, I. Környezet- és természetvédelmi kutatások. Környezetvédelmi és Területfejlesztési Minisztérium, MTA Talajtani és Agrokémiai Kutató Intézete: Budapest, 1991; 104 pp.

[8] Kádár, I. A talaj - növény - állat - ember tápláléklánc szennyeződése kémiai elemekkel Magyarországon. Környezetvédelmi és Területfejlesztési Minisztérium, MTA Talajtani és Agrokémiai Kutató Intézete: Budapest, Hungary, 1995; 388 pp.

[9] Lehoczky, É.; Szabados, I.; Marth, P. Cadmium content of plants as affected by soil cadmium concentration. Commun. Soil Sci. Plant Anal. 1996, 27, (5-8), 1765-1777.

[10] Lehoczky, É.; Szabó, L.; Hováth, Sz. Cadmium uptake by lettuce in different soils. Commun. Soil Sci. Plant Anal. 1998, 29, (11-12), 1903-1912.

[11] Lehoczky, É.; Németh, T.; Kiss, Zs.; Szalai, T. Cadmium and Lead Uptake by Ryegrass, Lettuce and White Mustard Plants on Different Soils. Agrokémia és Talajtan. 2002, 51, (1-2), 201-210.

[12] Lehoczky É.; Kiss Zs. Cadmium and Zinc Uptake by Ryegrass (Lolium perenne L.) in Relation to Soil Metals. Commun. Soil Sci. Plant Anal. 2002, 33, (15-18), 3177-3187.

[13] Lehoczky É.; Lóth I.; Kiss Zs. Cadmium and Lead Uptake by White Mustard (Sinapis alba L.) Grown in Different Soils. Commun. in Soil Sci. Plant Anal. 2002, 33, (15-18), 3167-3176.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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