Báo cáo lâm nghiệp: "Intensively fertilised seedlings of the beech (Fagus sylvatica L ) for artificial regeneration of the spruce stands in the process of conversion" pdf

... is formed in this Supported by the Ministry of Agriculture of the Czech Republic, Project No. MZe 0002070201. Intensively fertilised seedlings of the beech (Fagus sylvatica L. ) for artificial ... is also possible to respond to the increasing demand for high-quality planting material of beech much more quickly. In the technology of growing th...

Ngày tải lên: 07/08/2014, 04:20

... evaluation indicates that losses after planting were minimal in the rooted cuttings similarly like in the control plants of generative origin. Table 2 also shows contents of basic elements in ... 2005 (cm) Years Fig. 1. Growth of older plantings of rooted cuttings of beech on Trutnov 2 PRP (use of large-sized plants – planting in 199 3). Bars designate the inte...

Ngày tải lên: 07/08/2014, 10:21

... correspondant au plasmalemme de la cellule hôte. Celui-ci n’est pas rompu lors de la pénétration de l hyphe dans la cellule. Les cellules raci- naires ne semblent d’ailleurs pas ... observed in the ascomycete walls between the hyphae present in the mantle and intracellularly. In both mycorrhizae, the PATAg test revealed an accumulation o...

Ngày tải lên: 08/08/2014, 18:21

... collet (2 à 6,5 mm) ont été inoculés. Les résultats rassemblés dans le tableau 2 indiquent que l extension longitudinale de la nécrose est indépendante du diamètre du plant. by ... saine letter 11’ere taot .s’ f a<Mf/ca//y clifferent at the 5 f i. 100 level ll sing U te.st Malin an d Whitn ey- 3.43. Influence de la nutrition potassique (fig....

Ngày tải lên: 09/08/2014, 06:21

... naturelle / Fagus sylvatica = hêtre / stratification / croissance en hauteur / re- classement Summary &mdash; Annual classification of beech seedlings (Fagus sylvatica L) in ... daylight intensi- ties: full-light, half-light and shade. The structure showed 3, 2 and 1 layer(s) respectively under these light conditions. The annual classifica...

Ngày tải lên: 08/08/2014, 23:22

... Table III presents the values obtained for the only 10 peripheral positions labelled PW (10 per log); as a comparison Table IV gives the mean of all radial positions in the bottom logs. Mean values ... radial variations like in (a) or a pronounced change in the central portion of the stem like in (b), indicating the pres- ence of red heart. The irregular case i...

Ngày tải lên: 08/08/2014, 00:22

... 42]. In 1998 four-year-old European beech (Fagus sylvatica L. ) seedlings were planted into 70 L containers (20 seedlings per container) containing forest soil [13]. In order to ensure that the seedlings ... the leaf structure of Fagus sylvatica L. seedlings planted in the understory of a Pinus sylvestris L. stand after thinning, Ann. For. Sci. 58 (...

Ngày tải lên: 08/08/2014, 01:21

... thank the Office National des For ts and the GIP-ECOFOR for financial help in setting up the exper- imental site; the STIR-ONF-Orléans for the forest inventories; the Uni- versity of Rennes-1; the ... management regime in the Fougères beech forest, including thinning and the clear felling within one stand rotation: ( 1) remnants left on the ground, would co...

Ngày tải lên: 08/08/2014, 01:22

... within the field of genetic improvement of E. glob- ulus in Australia was available, and secondly, there was a well defined system already available for the assessment of the quantity of carbon in ... t −1 CO 2 e13–6 Therefore increasing volume production and clearfall basic density in plantations will increase the amount of CO 2 ese- questered in plantations and als...

Ngày tải lên: 07/08/2014, 16:20

... (fresh weight) during the total length of the treatment. The permanent contact of the nuts with an aqueous solution containing 150 to 200 g of polyethylene glycol (PEG &dquo; ... &dquo ;) per kilo permits this control and prevents any radicle emergence during the cold treatment. Moreover, in the case of an insufficient lengt...

Ngày tải lên: 09/08/2014, 06:21