Báo cáo khoa học: "Impact of tree species on soil solutions in acidic conditions" potx

... carbone organique des sols, Ann. Agron. 2 (1945) 161–172. Tree species and soil conditions 51 Figure 2. The effect of tree species on soil solution (continued on next page). Tree species and soil ... factor controlling the chemistry of capillary solutions. The tree species effect on topsoil solutions was small when the amount of rainfall was high. Exotic...

Ngày tải lên: 08/08/2014, 14:21

... stim- ulatory effect of CyH on HIF-1a was dampened by eNOS activation ⁄ phosphorylation. Furthermore, the failure of the NOS inhibitor to maintain the induction of HIF-1a in the presence of rotenone (Fig. ... (CyH), and examined the impact of cycles of hypoxia ⁄ reoxygenation on the extent of acti- vation of known regulators of HIF-1a, namely phos- phoinositide-3 kinas...

Ngày tải lên: 30/03/2014, 02:20

... as in first thinnings [25]. When not re- moved, accumulation of the residues on the ground or their incorporation into the soil can have a substantial ef- fect on soil environmental conditions, ... study was to investigate the in- fluence of logging residue management during thinning, clear-felling and site preparation operations on soil nutrient status. The possible conse...

Ngày tải lên: 08/08/2014, 14:21

... 8:23 http://www.wjso.com/content/8/1/23 Page 2 of 7 operative findings on reoperation or in the case of con- servatively managed patients, based on clinically directed imaging investigations. Follow up Patients ... details 1 Department of Surgery, The University of Hong Kong, Queen Mary Hospital, Hong Kong. 2 Department of Clinical Oncology, Queen Mary Hospital, Hong Kong. Aut...

Ngày tải lên: 09/08/2014, 03:21

... studies have examined the impact of tree species on the composition of * Corresponding author: laugusto@bordeaux.inra.fr Effects of tree species on vegetation and soil 825 Therefore, relative values ... of studied sites, only one main type of soil was considered: non-hydromorphic acidic soil. This study was based on vegetation surveys, dendrometric measurements,...

Ngày tải lên: 08/08/2014, 01:21

... elongation of the primordia contained in the bud; stage 5, at least one leaf has completely emerged; stage 6, intense elongation of internodes; and stage 7, elongation ... 64 d long in 1995 and 3 to 31 d long in 1996. This elongation period was, on average, longer in 1995 than in 1996 and was only influenced by the intensity of...

Ngày tải lên: 08/08/2014, 14:21

... developing a crite- rion for the early selection of rapidly growing trees. in: Toward the future forest: applying physiology and genetics to the domestication of trees, Yale. Univ. Sch. For. Environ. ... W.K., Influence of shoot structure on light interception and photosynthesis in conifers, Plant Physiol. 79 (1985) 1038-1043. [7 ] Chaves M.M., Effects of water deficits on carb...

Ngày tải lên: 08/08/2014, 14:21

... genes are incompletely dominant autosomal. Frizzling is associated with modifications of metabolism and size of body’ organs, probably in compensation for poor insulation by the ... associations of the same degree or kind would not be anticipated in unrelated stocks. Pleiotropy would be indicated when associations continue through many gener...

Ngày tải lên: 09/08/2014, 22:23

... in- termediate. Tree species modify the pH and the composition of the complexing organic acids of soil solutions, which then influence the soil mineral weathering rate. The effect of trees on soil mineral ... 1–33. [32] Binkley D., Giardina C., Why do tree species affect soils? The warp and woof of tree- soil interactions, Biogeochemistry 42 (1998) 89–106. [33] B...

Ngày tải lên: 08/08/2014, 14:20

... was the unnoticed changing of an already activated prescription of a continuous infusion medication. Since recent upgrading of the system every continuous infusion prescription change becomes immediately ... continuous infusion prescriptions (for example, propofol or remifentanil infusion being still activated two days post extubation). Another example of intercepted MPE involved the...

Ngày tải lên: 25/10/2012, 10:39