Báo cáo lâm nghiệp: "Patterns of arbuscular- and ecto- mycor

Báo cáo lâm nghiệp: "Patterns of arbuscular- and ectomycorrhizal colonization of Eucalyptus dunnii in southern Brazil" potx

... 13 months following transplanting, in six plantations of Euca- lyptus dunnii Maiden, in the states of Santa Catarina and Paraná in southern Brazil. MATERIAL AND METHODS Site ... reviewing this manuscript. Original article Patterns of arbuscular- and ectomycorrhizal colonization of Eucalyptus dunnii in southern Brazil VL Oliveira VDB...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: "Patterns of longitudinal within-tree variation in pulpwood and solidwood traits diﬀer among Eucalyptus globulus genotypes" pot

... lack of significant differences in kino among genotypes indicated that breeding is unlikely to be a useful means of re- ducing kino in plantation grown E. globulus.However,theas- sessment of kino induced ... Twenty-two percent of the half-discs split during pre-drying and a further 34% split during reconditioning and final-drying. The most notable feature of longitudinal vari...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: " Root system development and health condition of sycamore maple (Acer pseudoplatanus L.) in the air-polluted region of Krušné hory Mts" ppt

... rooting depth and the length of horizontal roots – a Table 4. Vitality and mycorrhizal infection of ﬁne roots Stand marking Month of sampling Mycorrhiza type Vitality of ﬁne roots Mycorrhizal ... mounds Sycamore maple is one of the noble broadleaved species. Its representation in the existing species composition of forest stands being rather low, the study of t...

Ngày tải lên : 07/08/2014, 04:20

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Báo cáo lâm nghiệp: "Forest yield index and its applicability to the assessment of future forest yields" docx

... significant increase in radial increment of Norway spruce in Austria in the period of 1961 to 1990, during which the length of growing season increased by 11 days associated with the increase in mean ... of mixed stands was insufficient and why it was not proved to satisfaction if tree species grew better in mixed stands or in pure stands. Recent findings show that the...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Temperate forest trees and stands under severe drought: a review of ecophysiological responses, adaptation processes and long-term consequences" ppt

... processes explaining the time lag between drought and tree decline. There is obviously a large inter and intra-speciﬁc diversity in traits related to water use and coupling of water use and carbon ... process against sensitivity to drought. Signiﬁcant improvement of our understanding of water re- lations of trees and forest stands, in both liquid and vapour phases, h...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Divergence among species and populations of Mediterranean pines in biomass allocation of seedlings grown under two watering regimes" pps

... Seedlings of four populations each of Pinus pinaster, P. halepensis, P. canariensis and P. pinea were grown in controlled conditions to evaluate both inter- and intra-specific differences in response ... content of each individual container reached 30% of field capacity (determined by weight). This watering level was maintained approximately constant until the end of the stre...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Stand structure, competition and growth of Scots pine (Pinus sylvestris L.) in a Mediterranean mountainous environment" pptx

... m in the uneven-aged stand and 10 m in the mature even-aged stand. No relationship was found between CDI5 and LM indices in the plantation, as a result of thinning during the last 10 years in ... 399 pine trees in the uneven-aged stand, 510 (251 oaks and 259 pine trees) in the stand with oak understorey, 170 pine trees in the plantation, and 130 pine trees in the eve...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: " Managing diameter growth and natural pruning of Parana pine, Araucaria angustifolia (Bert.) O Ktze., to produce high value timber" ppt

... to minimize the knotty core within stems, we need to maintain high stand densities to retard rapid crown expan- sion in young stands [25]. Accelerating natural pruning by main- taining high initial ... silvicultural treatments to intermediate thinnings using individual tree selection or row thinnings at various times (precise time in most cases could not be identified). Initial spacing o...

Ngày tải lên : 08/08/2014, 00:21

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Báo cáo lâm nghiệp: "Assessing the nutritional and climatic response of temperate tree species in the Vosges Mountains" doc

... higher in the west of the mountain crest than in the eastern side, leading at a value of –20 mm of WB deficit in June for 400 m of altitude in the west side of the crest and 550 m of altitude in ... However, they can grow in a wide range of mineral soil conditions (i.e. base saturation ratio and pH) in other mountainous areas and in particular in the inne...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Characterizing fertility targets and multi-element interactions in nursery culture of Quercus rubra seedlings" pot

... facilitate interpretation of multi-element interactions on seedling growth in response to increased fertilization. 3. RESULTS AND DISCUSSION 3.1. Seedling growth and nutrition Fertilization increased ... Effects of nitrogen fertilization on growth and ectomycorrhizal formation of red oak, For. Sci. 16 (1980) 529–536. [3] Bigras F.J., D’Aoust A., Hardening and dehardening...

Ngày tải lên : 08/08/2014, 00:22

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