Nutrition of silver fir (Abies alba Mill.) and its comparison with Norway spruce (Picea abies L. H. Karst) from the same forest sites in the Czech Republic

Radek Novotný
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Radek Novotný: Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic

Journal of Forest Science, 2023, vol. 69, issue 2, 60-66

Abstract: Forests in central Europe were affected by heavy bark beetle outbreak during the years 2014-2022. Decline of Norway spruce brought other species of forest trees, including the fir, to the fore. The nutritional level of silver fir is one of the studied topics. Needles in 14 Norway spruce (NS) - silver fir (SF) mixed forest stands from 4 regions in the Czech Republic have been sampled to survey their nutrition level. Nutrition of NS is often near or below the deficiency limit, while nutrition of SF was assessed as sufficient or good. Differences between both regions and tree species were found. SF drew more nutrients from the soil profile than NS on the same forest site. Differences between NS and SF in nutrient concentrations in needles were significant for N, Ca, Mg, Zn and S and non-significant for P and K.

Keywords: mixed forest; mixed forest nutrition; nitrogen; nitrogen to main nutrient ratio; nutrients ratio; trees nutrition (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnljfs:v:69:y:2023:i:2:id:162-2022-jfs

DOI: 10.17221/162/2022-JFS

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