[ 发表于: Pollution ]
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The influence of nitrogen fertilization on assimilatory apparatus and growth increment of spruce growing in different densities
1999
Pokorny, R. | Salanska, P. (Akademie Ved, Brno (Czech Republic). Ustav Ekologie Krajiny)
Library of Antonin Svehla - Czechia
Spatial variability of spruce crown defoliation in the forests of Horna Orava [Slovak Republic]
1999
Smelko, S. (Technicka Univ., Zvolen (Slovak Republic). Katedra Hospodarskej Upravy Lesov a Geodezie)
Library of Antonin Svehla - Czechia
