Báo cáo lâm nghiệp: "Effect of initial height of seedlings on the growth of planting material of Norway spruce (Picea abies [L ] Karst ) in mountain conditions" ppsx

... Environmental Conditions. Effect of initial height of seedlings on the growth of planting material of Norway spruce (Picea abies [L. ] Karst. ) in mountain conditions A. J, J. L, J. ... growing seedlings from a mountain population of Norway spruce after their planting in extreme mountain conditions compared to the...

Ngày tải lên: 07/08/2014, 10:21

... possibilities of repeated use of Norway spruce (Picea abies [L. ] Karst. ) in the regen- eration of existing Norway spruce stands, in the regeneration of large-area clearcuts, and in the reconstruction of the ... (Reconstruction of stands Underplanting birch) Exponenciální (Inspection Bohemian - Moravian upland) Exponential (Underplanting o...

Ngày tải lên: 07/08/2014, 03:22

... altitudinal zone (FAZ) (dominant associations of Calamagrostio villosae-Piceetum and Sphagno-Piceetum) (cf. C 1996; J, F-  199 2). Norway spruce (Picea abies [L. ] Karst. ) is the ... defini- tion of the basic hypotheses: ( 1) each forest stand is in specific and topically individual interactions with soil and these interactions in uen...

Ngày tải lên: 07/08/2014, 03:22

... Radimě ), the second figure in the code (numeral) expresses the height of the aboveground part of the analyzed trees, the third figure in the code (letter) expresses the health condition of the ... sys- tem). As the result of disqualification of anchors (due to their rots) the original rooting depth diminished in injured trees (see Rooting depth of...

Ngày tải lên: 07/08/2014, 03:22

... weather conditions on spruce (Picea abies [L. ] Karst. ) tree mortality in stands of the Beskid Slasko-Morawski Mts. Beskydy, 16: 137–143 (in Polish). K E., Z W. (200 4): Relationship ... among subordinate, co-dom- inant and dominant spruce trees.  e weakening of a tree by the particular insect species depends on the social position of...

Ngày tải lên: 07/08/2014, 10:21

... Nor- way spruce (Picea abies [L. ] Karst. ) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8 th FAZ of acid ... of mineral elements in the xylem sap of declining spruce (Picea abies [L. ] Karsten). Plant and Soil, 150: 303–306. D L., KŪ...

Ngày tải lên: 07/08/2014, 10:21

... mineral economy in spruce growing in the area in question. In the case of the ratios S:Ca and S:Mg in one-year-old spruce needles, the disturbance becomes more profound with an increase in the degree ... regionalization of Poland (T et al. 199 0), the area of the present research is located in Carpathian Region Stability of Norway spruc...

Ngày tải lên: 07/08/2014, 10:21

... container plants of Norway spruce (Picea abies [L. ] Karst. ) in 2006. We also evaluated the growth of different types of planting material in the first years after outplanting to a mountain ... D, O-  1990; W 199 0). Comparison of morphological and physiological parameters of the planting material of Norway spruce...

Ngày tải lên: 07/08/2014, 10:22

... . Picea abies / cryoconservation / dessication / germination / stockage / croissance des semis 1. INTRODUCTION Seeds of Norway spruce (Picea abies (L .) Karst. ) belong to the orthodox category [1 4], ... I). The germination tests were continued until the end of germination, usually not longer than for 14 days. The first count (called earlier germinative ener...

Ngày tải lên: 08/08/2014, 00:21

... the early establishment of spruce natural regeneration [ 9]. Acknowledgements: The project B63 “Nutrition of Norway spruce (Picea abies [L. ] Karst. ) on dolomite sites of the Bavarian Lime- stone ... HNO 3 digestion by a ICP-IES (Perkin Elmer Optima 300 0). 2.5. Sampling and identification of ectomycorrhizae (ECM) In mid of October 2003, the...

Ngày tải lên: 08/08/2014, 00:22