Changes in the zinc content in the meadow sward under conditions of a long-term static fertilizer experiment (Czarny Potok)

M. Kopeć
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M. Kopeć: H. Kołłątaj Agricultural University of Cracow, Poland

Plant, Soil and Environment, 2005, vol. 51, issue 9, 410-415

Abstract: Changes in the zinc content in the meadow sward were studied in a long-term fertiliser experiment set up on a mountain meadow (20°54'E, 49°24'N) in 1968. The experiment is localized at 720 meters above sea level on the soil which belongs to Dystric Cambisols and comprises 8 fertiliser treatments in two series: 0Ca and + Ca (Table 1). In the course of the experiment the Zn content in the sward decreased and the time factor was of greater consequence than fertilization, P content in the sward or soil and acidification. In mountain meadow communities shaped by a long-term (over 30 years) NPK treatment and at yields between 6.7 and 7.1 t/ha the annual quantity of absorbed Zn ranged between 233 and 256 g Zn/ha dry weight. During the experimental period the biggest amount of Zn removed with the sward yield exceeded 500 g Zn/ha annually. In the limed series at slightly bigger yields the quantity of Zn removed with the yield was over 10% lower in objects receiving NPK fertilization than on the same treatments in the unlimed series. Liming is able to reduce soil Zn abundance.

Keywords: meadow sward; Cambisols; zinc; uptake by plants; long-term ex (search for similar items in EconPapers)
Date: 2005
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DOI: 10.17221/3605-PSE

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