The changes of soil nutrient status after a 10y period in the Natural Forest Region Český les

Přemysl Fiala, Dušan Reininger, Tomáš Samek and Markéta Pospíchalová
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Dušan Reininger: Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic
Tomáš Samek: Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic
Markéta Pospíchalová: Central Institute for Supervising and Testing in Agriculture, Brno, Czech Republic

Journal of Forest Science, 2019, vol. 65, issue 3, 87-95

Abstract: The periodical survey of forest nutrition was done in the in the Natural Forest Region (NFR) of Český les - the mountain range on a state border between the Czech Republic and the Federal Republic of Germany. The results of chemical analysis done in 2015 were compared with those provided in 2004. The trend of mineral nutrition deteriorating of forest trees has been going on, except for magnesium. The content of magnesium in spruce needles was found to be higher by 56.6 mg.kg-1 in the current year's needles and by 24.8 mg.kg-1 in the previous year´s ones. The contents of magnesium in soil determined in the extract of HNO3 were significantly higher. The increase is 389 mg.kg-1, 373 mg.kg-1 and 312 mg.kg-1 in the forest floor, respectively in organomineral and mineral horizons. However, it is not valid for the available values determined by the Mehlich method. The determination of nutrient values in the extract of HNO3 seems to be suitable for the evaluation of changes occurred in soil and probably for the simulation of nutrition strategy of trees.

Keywords: forest nutrition survey; plant nutrition strategy; nutrition availability; mineral weathering (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:65:y:2019:i:3:id:4-2019-jfs

DOI: 10.17221/4/2019-JFS

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