Báo cáo lâm nghiệp: " Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L seedlings produced in a commercial nursery" docx

... produced in a commercial nursery. 2. MATERIALS AND METHODS 2.1. Plant material Pinus pinea L. seeds were collected from natural forests in the Montnegre and Montseny sierras in Catalonia (Spain). ... factors inoculation (A) and type of substrate (B), and interaction between them (AB) for different growth parameters of Pinus pinea seedlings. Signifi...

Ngày tải lên: 08/08/2014, 00:22

... Horizontally-hatched areas generate runoff seasonally in late winter, spring and early summer. Areas enclosed with a dashed line act as source areas only during wet periods rich in precipitation. ... middle of the watershed. Experiment performance and data assessment Runoff is divided into components. eir amount and ratios are calculated using many mathemati- cal and grap...

Ngày tải lên: 07/08/2014, 03:22

... the analysis of its level in the dry matter of leaves during the spring season. e amount of nitrogen increased nonlinearly with the increasing rate of ammonium nitrate into the substrate, ... Hydrometeorological Institute in Prague (ČHMÚ). Growth properties were evaluated according to the plant height and root collar diameter. e phenology of leaf fall was...

Ngày tải lên: 07/08/2014, 10:21

... be- tween stands are given in Table 2. Chemical analyses Values of actual (in H 2 O) and exchangeable pH (in nKCl) were determined. Values of exchangeable pH were always lower than those of actual pH. ... ex- changeable and actual reactions of soil (Figs. 3 and 4) decreased from L to H in all stands. e lowest values in forest floor (4.0 and 3.4) and in the o...

Ngày tải lên: 07/08/2014, 10:21

... annual and the seasonal rainfall and the annual trunk growth, and the only correlation shown is that of the rainfall values in the spring season, there is no correlation between the growth of the ... the rings and the rainfall in any other season or the annual total. Figure 6 shows the relationship between these two variables; spring rainfall and rin...

Ngày tải lên: 08/08/2014, 00:22

... pest control. The main cause of this collapse was probably the effect of cold and rainy weather on trees and bark beetles, as well as the increase Variable management and bark beetle outbreak 59 (34.7 ... range in the Carpathian arch. They are located along the border between Slovakia (75% of mountain land area) and Poland (25% of area). The entire Tatra Mts. a...

Ngày tải lên: 08/08/2014, 00:22

... Colin F., Leborgne G., Artificial defoliation, decapitation of the terminal bud, and removal of the apical tip of the shoot in ses- sile oak seedlings and consequences on subsequent growth, Can. ... black filled and parent shoots are grey filled): t.1: clipping of the apex, t.2: clipping of distal buds and leaves, t.3: clipping of distal leaves, t.4: clippin...

Ngày tải lên: 08/08/2014, 00:22

... weight ratio (LWRr) were calculated for each seedling. Based on specific leaf area (SLA; cm 2 g –1 ) and leaf weight measured for each seedling, total leaf area (LA; cm 2 ) was calculated. Leaf area ... using one-way analysis of variance. Similarly, differences in RCD and HT among light levels were ana- lyzed separately for each measuring date using one-way analysis of variance f...

Ngày tải lên: 08/08/2014, 00:22

... regression variable within the standard ANOVA [25]. Including year as a continuous regression variable within the ANOVA allowed us to test for main effects (treatment for Bonanza Creek and treatment ... we generated a list of 10 potential independent variables for further anal- yses in linear and nonlinear equations. Equations were developed for each unit, with saplings from...

Ngày tải lên: 08/08/2014, 01:21

... besides the establishment of field vegetation, include the accumulation of litter, and compaction of the soil surface. Örlander and Nilsson [11] concluded that it is unclear how vegetation near the ... when there was a long period between scarification and planting. We conclude that vegetation in -growth was the main factor decreasing the effect of scarification...

Ngày tải lên: 08/08/2014, 01:21