Bioelement contents in the planting stock tissues of Norway spruce (Picea abies /L./ Karst.) and European beech (Fagus sylvatica L.) after excessive N and Mg fertilization

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis

Jiří Libus¹  Eva Palátová¹  Oldřich Mauer¹ 

[1] Ústav zakládání a pěstění lesů, Mendelova zemědělská a lesnická univerzita v Brně, Zemědělská 3, 613 00 Brno, Česká republika;

关键词: European beech;    Norway spruce;    transplants;    nutrition;    needles;    buds;   

DOI  :  10.11118/actaun200856010259

来源: DOAJ

【 摘 要 】

The paper informs of N, P, K, Ca and Mg-contents in the selected organs (tissues) of 4-year old Norway spruce (Picea abies /L./ Karst.) and 3-year old European beech (Fagus sylvatica L.) transplants after two years of Mg fertilization (100 kg Mg.ha−1.year−1) in the form of magnesium sulphate, and N fertilization (100 kg N.ha−1.year−1) in the form of ammonium sulphate. Analyses of buds, needles/leaves, bark and wood of above-ground part, fine roots (≤ 1 mm) and small-diameter roots (> 1 mm) showed that the greatest amounts of uptaken nutrients are in both tree species stored in assimilatory organs and in buds. The increased supply of nitrogen showed most in small-diameter roots (spruce), and in root-wood, and wood of stem and branches (beech). The two species responded to the increased supply of magnesium by increasing the bioelement content in root-wood and in fine roots. The increase of Mg-content in leaves occurred only in the second year of the fertilization.

【 授权许可】

Unknown