Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf

Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf

Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf

... nutrient content of aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Rajasthan, India. e nutrient contents in the total biomass of teak in the plantation ... involved. Plantation species of the genus Acacia, Pinus, Euca- Quantication of nutrient content in the aboveground biomass of...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: " Growth and mineral content of young chestnut trees under controlled conditions of nutrition" ppsx

Báo cáo lâm nghiệp: " Growth and mineral content of young chestnut trees under controlled conditions of nutrition" ppsx

... Mn and three for Ca, Mg and K). Furthermore, the foliar area of the fourth leaf reveals the same pattern as the total foliage area and also the mineral content (data ... also determined for samples collected in March 1994 before planting. Statistical analysis Growth parameter analyses were expressed as the mean of 20 individual values...
Ngày tải lên : 08/08/2014, 18:22
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Báo cáo lâm nghiệp: "Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest" ppt

Báo cáo lâm nghiệp: "Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest" ppt

... a laboratory from the research area. The samples of litter mass were taken from 0.5 m 2 area by collecting all the litter mass in that area. Rut depths were measured in the same points of ... disturbance in a skid trail. MATERIAL AND METHODS A field study was conducted at a Forestry Ex- perimental Station of Tarbiat Modares University, located in a tempera...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "arbon and nutrient stocks in mature Quercus robur L. stands in NW Spai" docx

Báo cáo lâm nghiệp: "arbon and nutrient stocks in mature Quercus robur L. stands in NW Spai" docx

... the diameter classes de- fined from the inventory, and were felled. Tree aerial biomass was separated in the field and then in the laboratory into leaves, twigs, branches of diameter larger than ... d and total height: h) and stand measurements (basal area: BA, dominant height: H and mean height: H) as independent variables. Two methods of achieving minimum variance in param...
Ngày tải lên : 07/08/2014, 16:20
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Báo cáo lâm nghiệp: "Reconstructing crown shape from stem diameter and tree position to supply light models. I. Algorithms and comparison of light simulations" doc

Báo cáo lâm nghiệp: "Reconstructing crown shape from stem diameter and tree position to supply light models. I. Algorithms and comparison of light simulations" doc

... prediction of total height and crown length. – The equivalent stem diameter, calculated as the diameter of a stem whose basal area was the sum of the basal areas of all the stems of the clump, for ... input data. The validation was made on a large range of measured PACL values, ranging from 1.33% to 79.70%, including very closed stand areas, small gaps and a l...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Ultrastructural and biochemical changes at the preinfection stage of mycorrhizal formation by two isolates of Pisolithus tinctorius" ppt

Báo cáo lâm nghiệp: "Ultrastructural and biochemical changes at the preinfection stage of mycorrhizal formation by two isolates of Pisolithus tinctorius" ppt

... the surface of the fungal plasma- lemma as well as in the vacuoles. The plasmalemmal activity was detected when the hyphae were close to the roots, while it was nearly ... Methods Plant materials and mycorrhizal synthesis were according to Malajczuk et al. (1989). Fine lat- eral roots were sampled after 2 and 4 d of incu- bation and...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Linking intra-tree-ring wood density variations and tracheid anatomical characteristics in Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)" pot

Báo cáo lâm nghiệp: "Linking intra-tree-ring wood density variations and tracheid anatomical characteristics in Douglas fir (Pseudotsuga menziesii (Mirb.) Franco)" pot

... For the first set of simulations, all the variables in the model were fixed to values they take at the beginning of a ring, with excep- tion of the variable of interest, which altered along the ring (Fig. ... set of simulations, all the variables of the model altered, with exception of the variable of interest, which was fixed to its initial value at the b...
Ngày tải lên : 07/08/2014, 16:20
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Báo cáo lâm nghiệp: "Do trees use reserve or newly assimilated carbon for their defense reactions? A 13 C labeling approach with young Scots pines inoculated with a bark-beetle-associated fungus (Ophiostoma brunneo ciliatum" pptx

Báo cáo lâm nghiệp: "Do trees use reserve or newly assimilated carbon for their defense reactions? A 13 C labeling approach with young Scots pines inoculated with a bark-beetle-associated fungus (Ophiostoma brunneo ciliatum" pptx

... Stars indicate a significant drought effect; p < 0.05 (aa = amino acids). zones was also noted. As a consequence, C availability was reduced and the defense ability of the Scot pines against ... induced a marked increase of δ 13 Cin both amino acids and soluble sugars of healthy phloem. This δ 13 C increase reflects the expected decrease in 13 C discrimina- tion during C a...
Ngày tải lên : 07/08/2014, 16:21
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Báo cáo lâm nghiệp:"Propriétés des merrains affinés dans une solution d’enzymes naturels et destinés à la tonnellerie" pot

Báo cáo lâm nghiệp:"Propriétés des merrains affinés dans une solution d’enzymes naturels et destinés à la tonnellerie" pot

... Mosedale J.R., Charrier B., Crouch N., Janin G., Savill P.S., Variation in the composition and content of ellagitanins in the heartwood of European oaks (Quercus robur and Q. petraea). A comparison ... closely linked to the ring width increase of the samples. The enzymatic treatment has no significant effect on physical and mechanical characteristics of oak wood, exc...
Ngày tải lên : 08/08/2014, 01:21
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