Báo cáo lâm nghiệp: "Growth and litter decomposition of woody species inoculated with rhizobia and arbuscular mycorrhizal fungi in Semiarid Brazil" ppsx

... 87–95 © INRA, EDP Sciences, 2004 DOI: 10.1051/forest:2003088 Original article Growth and litter decomposition of woody species inoculated with rhizobia and arbuscular mycorrhizal fungi in Semiarid ... of dual inocula- tion with Rhizobium and mycorrhizal fungi on growth and nitrogen content of A. peregrina, (ii) the growth of the other native spec...

Ngày tải lên: 08/08/2014, 01:22

... lack of watering effect on C/N, as this trait decreased and increased with watering in the evergreens and in the deciduous species, respectively. This suggests that C and N uptake increases with ... trajectories of N were 4–1 in Q. coccifera and 1 in the remaining species (Fig. 3). 3.2. Effects of watering The response of DM to watering differed across species (T...

Ngày tải lên: 07/08/2014, 16:20

... seedlings growing in the open area, higher values in the gap and the highest values in seedlings growing under shelterwood, ex- plained these diff erences by increased photoinhibi- tion in beeches ... observed in seedlings from both the 4 th and the 7 th FAZ during the whole growing season (Fig. 2). Higher maximum values of ETR in unshaded seedlings of various tree...

Ngày tải lên: 07/08/2014, 10:21

... application of the treatments, no difference in inter-row weed biomass was found between the mowed plots (M) and the control (V) (Tab. I). The applica- tion of herbicides in the beginning of the growing ... disk-harrow) a year before planting. In both sites, tall bare-root plants (1−2m)wereusedtomini- mize deer damage and were planted with a 3 × 3 m spacing. In the beginnin...

Ngày tải lên: 07/08/2014, 16:20

... firewood and construction timber. In order to secure a sustainable source of firewood, the structure of the remaining forests was often altered. Especially coppice of European oak became increasingly ... growth rate of trees and hence influence the width of the tree-rings. For ring-porous species in general and European oak more specific, it has been demonstrated repeate...

Ngày tải lên: 08/08/2014, 00:22

... biomass with increasing light intensity was found by Cornelissen [12] for Castanopsis fargesii and by Wiebel et al. [53] for Garcinia mangostana. In addition, an increasing number of branches of young ... seedlings of Fagus sylvatica L., Tree Physiol. 17 (1997) 133–140. [52] Welander N.T., Ottosson B., The influence of shading on growth and morphology in seedlings of Querc...

Ngày tải lên: 08/08/2014, 01:21

... concentrations in soil water were higher in CDSC than in FVC and C in the late autumn of 1999 and lower in the spring of 1999 (Fig. 3). N concentrations were higher for CDSC than for FVC and C in late ... in FVC and C in the spring, since the warming of the soil also starts from the top, where the soil organic matter was located in these treat- ments. Precipita...

Ngày tải lên: 08/08/2014, 01:21

... contains the area of stems and branches of the shoots, and thus in fact it is a plant area index (PAI) [10]. 2.6. Living and dead woody biomass In November 2002, at the end of the growing season, ... densities [27]. In the winter of 2001, all trees were cut to the base of the stem (5–8 cm above the ground), resulting in stools with many new shoots sprouting of t...

Ngày tải lên: 08/08/2014, 01:21

... Elfving and Kiviste [8] proposed 13 functions having a zero point, being monotonously increasing and having one inflexion point, for approximation of the relationship between stand age and height. These ... mean dbh of ingrowth for both pine species (Eqs. (10) and (11)); increasing values of the ratio of the subject species basal area to the total stand basal area increase...

Ngày tải lên: 08/08/2014, 01:22

... outplanting was strongly positively cor- related with the final greenhouse seedling size (Tab. V). 5. DISCUSSION Matching plant/seedling growth with nutrient uptake and maintaining stable internal ... corresponding to each of the 7 measuring dates, respectively. We set the initial (March 1, 1996, seeding) stem diameter, height and volume as zero and included this point in our mo...

Ngày tải lên: 08/08/2014, 01:22