Báo cáo lâm nghiệp: "Influence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L ) Moench plantation on an acidified mountain site" potx

... by the Nadace pro Jizerské hory Foundation, Project No. 070108. Influence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L. ) Moench plantation on an ... K., 2002. Biomass production and nutrient accumulation in short-rotation grey alder (Alnus incana (L. ) Moench) plantation on abandoned...

Ngày tải lên: 07/08/2014, 04:20

... in control cells of embryogenic cultures of Norway spruce (C) and in the cells elicited by mycelium protein fraction (PF) and mycelium wall fraction (WF) in the course of 24 h. Means ± Standard ... induction of phenylpro- panoid biosynthesis and accumulation of phenolics were observed in soybean leaves following the ex- posure to chitin and chitosan (K et al. 20...

Ngày tải lên: 07/08/2014, 10:21

... for one region can not be used in another one: on the scale of an interregional observation, a sig- nificant portion of branch diameter variance would no longer be explained by stem size and stand ... al. stem height and diameter. Stand parameters like site index and stand density did not enter the model. But, as the stand param- eters control the tree height and radia...

Ngày tải lên: 08/08/2014, 01:22

... clusters 8 and 13 (Cladonio-Pinetum) on dry and acid sandy sites and clusters 15 and 19 (Ledo-Pinetum and Vaccinio uliginosi-Pinetum) on wet and acid sites contain vegetation plots of natural ... which correspond on the one hand to very acid and nitrogen poor conditions, e.g. sites of the Cladonio-Pinetum Juraszek 1927 and Leucobryo-Pinetum Matuszk. 1962 [19, 37]...

Ngày tải lên: 08/08/2014, 00:22

... this variant. On the other hand, in the basalt and control treatments, the foliar Ca concentrations have significantly increased since planting. e concentration of Mg in the leaves of limed ... content by raising the soil reaction (pH) and promoting mineralization of SOM, on the other hand this treatment adds Ca cations into soil and thus increases the prob...

Ngày tải lên: 07/08/2014, 10:22

... 200 7). e aim of the paper is therefore to examine the effect of the most important climatic factors (tem- perature and precipitation) on the radial increment of selected spruce stands in the ... Youth and Sports of the Czech Republic, the Research Plan of Mendel University of Agriculture and Forestry in Brno, Faculty of Forestry and Wood Technology N...

Ngày tải lên: 07/08/2014, 03:22

... and sparse (s) and dense (d) subvariant independent from vertical stem profile; (a) 2002, i.e. after 6 years of the cultivation and (b) 2004, i.e. after 8 years of the cultiva- tion and 2 years ... significant = NS). All data were tested on normality and homoge- Table 1. Position of stem discs in stem vertical profile grown in elevated (E) and ambient (A) concentration...

Ngày tải lên: 07/08/2014, 03:22

... traits [13], and possibly in allocation pat- terns, but not to morphological ones. 4. CONCLUSIONS Results of the present study confirm the importance of light on growth and on crown, shoot and needle ... light in the understory and of competition between saplings. An example of the difficulty to understand the effects of sub- tle differences in crown and...

Ngày tải lên: 08/08/2014, 00:21

... gradually thereafter with transition to winter (Figs. 2A and 2C). The relation between PPFD day and θ day and the relation between PPFD day and VPD day were examined for each period (the leaf expansion ... (199 6) 983–990. [27] Phillips N., Oren R., A comparison of daily representations of canopy conductance based on two conditional time-averaging methods and the...

Ngày tải lên: 08/08/2014, 00:21

... flooded and control at p < 0.05 and p < 0.01 respectively; (Mann and Whitney test). NO 2 – NO 2 – Figure 6. Amino acid contents in leaves, cotyledons and roots of floo- ded (F) and control (C) ... extent the effects of anaerobic conditions [2]. The aim of the present study was to determine whether soil nitrate depletion could affect the absorption and reduction...

Ngày tải lên: 08/08/2014, 00:22