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Topola
2012, broj 189-190, str. 1-9

Izvorni naučni rad
UDK: 582.52:582.681.81(439.2)

Stand Structure and Yield of Mixed Black Locust (Robinia pseudoacacia L.) and White Poplar (Populus alba L.) Stands under Sandy Soil Conditions in Hungary: A Case Study


Károly Rédei 1*, Zsolt Keserű 1, János Rásó 1, Lajos Juhász 2, Borbála Antal 2, Saša Orlović 3


1 Hungarian Forest Research Institute, Sárvár, Hungary
2 University of Debrecen, Faculty of Agriculture, Debrecen, Hungary
3 Univerzitet u Novom Sadu, Institut za nizijsko šumarstvo i životnu sredinu, Novi Sad, Srbija

Autor za korespodenciju:
Károly Rédei, E-mail: redei.karoly@t-online.hu


Izvod

The paper deals with the stand structure and yield of black locust (Robinia pseudoacacia L.) forests mixed with white (Populus alba L.) in various proportions, partly applying a new methodological approach. The main stand structure and yield factors were determined separately for each species, measured stem by stem, using the volume functions prepared for each species. The ratio of the volumes of the species (A and B) in mixed and in pure stands (based on volume tables) was determined. A close relationship has been found between the ratio by relative total volume and the proportion (by the number of stems) of the species. The relative surplus in the volume of the mixed stands varied between 1.32-1.80 at age 16 and 21 years compared to the control, i.e. the yield of pure stands of the species concerned. The trial has also proven that if two species have a fast initial growth rate and a similar rotation age, they can be planted in mixed stands resulting in mutual advantages.


Ključne reči: stand structure, yield, white poplar, black locust, sandy soil
Nazad na vrh

Univerzitet u Novom Sadu
Institut za nizijsko šumarstvo i životnu sredinu
Antona Čehova 13d
21000 Novi Sad
Republika Srbija
Tel: 021 540 383
E-mail: ilfe@uns.ac.rs
www.ilfe.org