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Forest Science Database

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Abstract

Kamchia floodplain forest is the widest floodplain forest in Bulgaria. It belongs to the so-called "inside" flooded forests, since the Kamchia river is independent from the main water streams in Eastern Europe, such as the Danube, Maritza, etc. The entire territory of the forest is a little more...

Author(s)
Kostov, G.
Publisher
University of Forestry, Sofia, Bulgaria
Citation
Lesotekhnicheski Universitet. Yubileen sbornik nauchni dokladi: 75 godini visshe lesotekhnichesko obrazovanie v B"lgariya. Sektsiya Gorsko stopanstvo, 2000, pp 224-244
Abstract

An analysis is made of the performance of Bulgarian plantations of Populus 'I-214' and P. 'Bachelieri' established at spacings of 1.5X3, 2X3, 3X3, 4X3 and 5X3 m. Details are given of growth and costs for the first 5 yr. Production cost per ha of plantation depended mainly on density, whereas...

Author(s)
Kalchev, P.; Kolarov, D.
Citation
Gorskostopanska Nauka, 1981, 18, 5, pp 58-69
Abstract

The wood of eight clones was studied at ages from 2 to 16 yr. The clones were Herkunft Stekby, B-6, Weltheimeipappel, Regenerata 276, B-12, Bachelieri, I-214, and Vernirubens. Data are shown in tables and graphs on the density, compression strength and bending strength of the wood. The results are...

Author(s)
Enchev, E. A.; Bl"skova, G.; Stoikov, Kh.
Citation
Gorskostopanska Nauka, 1979, 16, 1, pp 28-35
Abstract

A further study in Populus X regenerata stands already dcscribed [cf. F.A. 27 No. 5947. KEYWORDS: Populus X regenerata P.'Regenerata' \ increment \ Populus X regenerata P.'Regenerata' thinning \ Silviculture \ Tending \ stands and trees \ Thinnings

Author(s)
Fakirov, V.
Citation
Gorsko Stopanstvo, 1966, 3, 3, pp 203-12
Abstract

A fuller account of work on Populus X regenerata already noticed [cf. F.A. 27 No. 5947. KEYWORDS: Populus X regenerata P.'Regenerata' thinning \ Silviculture \ Tending \ stands and trees

Author(s)
Fakirov, V.
Citation
Gorsko Stopanstvo, 1965, 2, 5, pp 363-74
Abstract

Thinning trials were made in Populus X regenerata plantations aged 10-20 years, spaced 1.5 X 1.5 to 3 X 3 m. and unthinned or thinned only lightly, as already described [cf. EA. 26 No. 1082]. Moderate thinning (a) removed 21-26%, and heavy thinning (b) removed 41-46% of the standing volume....

Author(s)
Fakirov, V.
Citation
Gorsko Stopanstvo, 1965, 21, 3, pp 4-6
Abstract

Gives results of height measurements in spacing trials in plantations in Bulgaria of Populus 'Regenerata', P. 'I-214', and P. 'Vernirubens' at 14 years, at spacings of 3 X 3, 4 X 4, 6 X 6 and 8 X 8 m, and also on P. 'Regenerata' at 4, 10, 13 and 20 years at closer spacings, viz. 1.5 X 1.5, 2.0 X...

Author(s)
Fakirov, V.
Citation
Gorskostopanska Nauka, 1976, 13, 4, pp 51-63
Abstract

A special number consisting of 15 papers on various aspects of Poplar cultivation in Bulgaria, including: The present position and development of Poplar growing in Bulgaria (D. T. Dobrev); Research results in Poplar growing (B. J. Zahariev); Poplar plantations on some torrent-damage sites in the E. ...

Citation
Gorsko Stopanstvo, 1968, 24, 9, pp 1-80
Abstract

Tabulates data on yields of some 16 hybrid Black Poplar clones at spacings of 3 X 3 and/or 5 X 5 m. on sites with a low water table in Bulgaria. The best clones were Populus 'I-214', 'Bg-4', and 'Bachelieri'. In the conditions studied, spacing should be 3 X 3 m. KEYWORDS: Populus \ silviculture \...

Author(s)
Petrov, M.
Citation
Gorsko Stopanstvo, 1970, 26, 5, pp 21-4
Abstract

Anatomical differences were confirmed between Populus nigra var. thevestina (1), P. simonii (2), P. tacamahaca (3), P. alba (4), and P. tremula (5), and between the hybrids (1) X (2), (4) X (5), (3) X (4), and (3) X (2). Anatomical structure could therefore be used for establishing the hybrid...

Author(s)
Gancev, P.
Citation
Gorsko Stopanstvo, 1968, 5, 6, pp 23-39

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