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Publication . Other literature type . Article . 2005

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

Éva LEHOCZKY; Katalin DEBRECZENI; Zsanett KISS; Tamás SZALAI;
Open Access
Bulgarian
Published: 01 Apr 2005 Journal: Journal of Central European Agriculture, volume 5, issue 4, pages 309-314 (issn: 1332-9049, Copyright policy )
Publisher: University of Zagreb, Faculty of Agriculture
Country: Croatia
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.

Subjects by Vocabulary

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

Subjects

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

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