Báo cáo lâm nghiêp: "Thinning Forestry control of conifer plantations in Great Britain" docx
Báo cáo lâm nghiệp: "DNA-based control of oak wood geographic origin in the context of the cooperage industry" ppsx
... character of the woodinto the wine by leaching of extractives. In this way, wine goesthrough subtle chemical changes, resulting in greater com-plexity and a softening of the harsh tannins and flavourspresent ... Fontainebleau stand c yesMolecular control of cooperage wood origin 101obtained from the barrel. The set of five chloroplast fragments, dt13and µdt1 (instead of dt12b), dt73 and dt74 (instead of ... growth of the French barrel industry, leading to increased importations of oak wood and a general lack of wood originguarantee, has resulted in the demand for a reliable technique permitting to control...
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Báo cáo lâm nghiệp: "Earthworm (Lumbricidae) assemblages of forest ecosystems in the anthropogenically disturbed area of the eastern Krušné hory Mts. (Czech Republic)" pps
... 2002). RESULTS In the territory of the Kienhaida NR and in its vi-cinity, a total of 1,135 earthworms (643 in spring and 492 in late summer) of eight species were captured using the Tullgren ... Another 250 individuals of 13 species were obtained by individual collection. While in this area Dendrobaena attemsi was super-dominant in the spring season (representing 57.5% of all worms ... moundssite of mound in stand100MV in standLarix decidua Mill. 3 20 790–810 moundssite of mound in stand50MV in standPicea pungens Engelm. 3 19 780–810 moundssite of mound in stand100MV in standB...
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Báo cáo lâm nghiệp: "Efficient method of micropropagation and in vitro rooting of teak (Tectona grandis L.) focusing on large-scale industrial plantations" pptx
... the use of putrescine, which in com-bination with low concentration of auxin, in rooting medium,was essential in stimulating high rooting percentage with highquality of roots, resulting in fast ... H2O2freeing from polyamine catabolism, which is wellknown to increase peroxidase activity reducing IAA in the in- duction phase [23]. Putrescine not only induces an increase in rooting percentage ... polyamines were combined with auxins, itpromoted early rooting and increased the final rooting percent-age and the number of roots per explant [21, 22]. Putrescineis involved in root induction...
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Báo cáo lâm nghiệp:"Predicting the probability of seed germination in Pinus sylvestris L. and four competitor shrub species after fire" doc
... different thermal chocks and control situation. Control 50ºC 75ºC 100ºC 125ºC1 min 5 min 10 min 15 min 1 min 5 min 10 min 15 min 1 min 5 min 10 min 15 min 1 min 5 min10 min 15 minHalimium alyssoides ... 2312171820213123202246304342 2813 2 Control 70 ºC 90 ºC 110 ºC 130 ºC 150 ºC 170 ºC 190 ºC1 min 5 min 1 min 5 min 1 min 5 min 1 min 5 min 1 min 5 min 1 min 5 min 1 min 5 minPinus sylvestris 94 94 95 93 ... Scotspine undergrowth in northern Spain (León Province and Palenciaprovince). After eliminating damaged seeds, the remainders werestored in open paper bags, which permitted ventilation, in a...
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Báo cáo lâm nghiệp: "The effects of thinning treatments on density, MOE, MOR and maximum crushing strength of Pinus brutia Ten. wood" ppt
... and the first thin-ning time (1985) was verified by counting 18 annual rings (years)from bark. In this way the starting point of the wood zone after thin-ning was determined using an image analysis ... increment (1.30 m) for an individual tree. Thinning treatments increased annual ring width especially a few years after thinning. Heavythinning treatments were especially effective in impacting ... reasons for the increased annual ring increment in the lower versus the upper parts of stem through the effect of thinning. In three of the four groups, the lowest mean values of late-wood percentage...
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Báo cáo lâm nghiệp: "Eighth-year response of Douglas-fir seedlings to area of weed control and herbaceous versus woody weed control" docx
... growth of loblolly pine increased with area of control upto 18.1 m2 (complete broadcast control) [9]. Richardson et al.[23] found that the optimal area of spot weed control in radiatapine (Pinus ... rapid invasion from the plotinto the spot treatments minimizing effects of herbaceous treatments.This invasion was expected to be especially intense due to the fencing of plots and lack of deer ... after planting, while woody vegetation control treatments weremaintained for three years. The greatest gain in Douglas-fir growth from increasing the area of control was observed between the 0.0...
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Báo cáo lâm nghiệp: "Modeling the impact of thinning on height development of dominant and codominant loblolly pine trees" pot
... pine trees is affected by thinning. Withinthe range of removals contained in this data set, the heavier thethinning the greater is the response. Height growth is initiallyreduced by thinning ... age at the time of thinning (A > At), andr is the rate parameter corresponding to thinning response. In orderto account for the thinning response in the beginning, the value of rshould be ... initially by thinning but was increasedafter 3 years following thinning. The average total height of dominant and codominant trees in thinned stands exceeded its counterpart in unthinnedstands...
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Báo cáo lâm nghiệp:"Long-term effects of vegetation control treatments for release of Engelmann spruce from a mixed-shrub" pdf
... hSingle cutting vs. untreated control 1 1 0 0 0 0 0 –2Single cutting vs. repeated cutting (all) 1 1 –1 –1 0 0 0 0Single cutting vs. repeated cutting (spring) 1 0 –1 0 0 0 0 0Single cutting ... Year of application Dates of applicationSpring (1992)[1 cutting]Single spring cuttinga 1992 June 25–26, 1992Summer (1992)[1 cutting]Single summer cuttingb 1992 July 25–28, 1992Spring ... applicationand single or repeated manual cutting, the timing of repeatedor single cutting or single cutting and delayed repeated cutting.3.4. Engelmann spruce responses Treated spruce seedlings exhibited...
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Báo cáo lâm nghiệp: "Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland" pot
... area of the West-ern Beskidy region. Along with the increase of the size of salvage cuttings (including the removal of in- fested trees) the area of stands affected by the forest decline increased ... 2005 (higher than in 2004, but including also lying, infested trees), but also – in the volume of infested standing trees, which was lower than in 2004. e real increase in the tree mortality ... of the intensity and dynamics of the dying of stands was carried out on the basis of the data collected in the SILP System (the Information System of State Forests) concerning the harvesting...
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