Báo cáo lâm nghiệp: "Comparison of mycobiota of diverse aged

Báo cáo lâm nghiệp: "Comparison of mycobiota of diverse aged spruce stands on former agricultural soil" pot

... Supported by the Ministry of Agriculture of the Czech Republic, Projects No. 000207021 and No. 0002070203. Comparison of mycobiota of diverse aged spruce stands on former agricultural soil V. P 1 , ... conditions in years of the study. ree year period of the study is minimal for as- sessment of fungi occurrence as fructiﬁcations are strongly dependent o...

Ngày tải lên : 07/08/2014, 04:20

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Báo cáo lâm nghiệp: "Comparison of the impact of blue spruce and reed Calamagrostis villosa on forest soil chemical properties" pot

... humiﬁcation horizon). His study was conducted in a lower altitude and all ten tested species had very low content of carbon in H horizon, so blue spruce was not an exception. Carbon share of soil ... differences in nutrient contents with the exception of phosphorus in Ah horizon. ere was signiﬁcantly more phosphorus in Ah of PP soil. With the exception of magnesium, the c...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Comparison of general tree characteristics of less known oak species Quercus dalechampii Ten. and Quercus polycarpa Schur" pot

... part of research could be carried out on lying trees. e forest stands were coppice converted into high stands on gentle slopes of south western aspect. e parent rock of the sites consisted of ... 2006). Although they both occur over a large area of Eu- rope, there is still only limited information on them in most parts of this area. e centre of distribution of...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: " Comparison of deposition fluxes on the open area and in mountain spruce stands of different density" pdf

... deposition. Environmental Pollution, 75: 243–249. DRÁPELOVÁ I., KULHAVÝ J., 2008. Deposition flows and chemical composition of seepage waters in stands with spruce monoculture managed in different ... al. 2008). CONCLUSION roughfall deposition fluxes of Ca, Mg, K, S-SO 4 , N-NO 3 and N-NH 4 in the mountain spruce stands of different stand density and bulk deposition fluxes...

Ngày tải lên : 07/08/2014, 04:20

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Báo cáo lâm nghiệp: " Comparison of three methods to determine optimal road spacing for forwarder-type logging operations" pdf

... areas unless they have the same non-uniform conditions along the trail. In this case study, the non-uniform conditions were smaller loads and ﬂatter slopes at longer forwarding distances. e ... Quarterly Journal of Forestry, 72: 207–210. LIU S., CORCORAN T.J., 1993. Road and landing spacing under the consideration of surface dimension of road and landings. International Journal...

Ngày tải lên : 07/08/2014, 04:20

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Báo cáo lâm nghiệp: "Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea abies [L.] Karst.) from intensive nursery technologies with current bareroot plants" ppt

... (nutrient content, function of assimilatory organs) were also great. e results document that container seedlings of Norway spruce produced by intensive technology in controlled conditions of plastic ... weight of one needle were determined; the latter characteristic was assessed in each plant at three 5 cm sections of an- nual shoots (one section on the terminal shoot and...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp: "Comparison of two types of ECOLURE lure on Ips typographus (L.) (Coleoptera: Scolytidae)" doc

... pheromone traps. is phenomenon is caused by the emission of 1-hexanol and verbenone from dead beetle bodies (Z et al. 2003). CONCLUSION In this study the eﬃciency of 2 types of pheromone ... reproduction of the spruce bark beetle Ips typographus, and analysis of the potential population growth. Ecological Entomology, 24: 103–110. W J., L Å. 1990: Recaptur...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp: "Comparison of ecosystem C pools in three forests in Spain and Latin America" doc

... R., The potential of soils of the tropics to sequester carbon and mitigate the greenhouse eﬀect, Adv. Agron. 76 (2002) 1–30. [27] Lott E.J., Annotated checklist of the vascular ﬂora of the Chamela Bay ... 1974–1987, ROSTLAC, Montevideo, 1988, pp. 151–212. [34] Murty D., Kirschbaum M.F., McMurtrie R.E., McGilvray H., Does conversion of forest to agricultural land change soil carbon...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from diﬀerent species" pptx

... mean value of tension wood and opposite wood zone from the ten studied trees. Radius Radius GS mean GS mean Family Genus species author of TW of OW value on value on zone zone TW zone OW zone Cecropiaceae ... bois de tension 1. Déﬁnition et distribution dans l’arbre, Biotechnol. Agron. Soc. Environ. 1 (1997) 100–112. [26] Jourez B., Le bois de tension 2. Évaluation quantitative, for...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Comparison between field performance of cuttings and seedlings of Eucalyptus globulus" ppsx

... material, some conclusions can be drawn from the analysis of variance. In the full sib series of trials, family effects were only significant at later stages of development on one of the sites (QC), ... L.G., Comparison of the growth of vegetative propagules and seedlings of Pinus radiata, N. Z. J. For. Sci. 4 (1974) 399–409. [34] Wilson P.J., The growth and form of potted m...

Ngày tải lên : 08/08/2014, 00:22

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