Báo cáo lâm nghiệp:"Interaction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after planting" ppsx

Báo cáo lâm nghiệp:"Interaction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after planting" ppsx

Báo cáo lâm nghiệp:"Interaction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after planting" ppsx

... article Interaction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after planting Robin ROSE*, J. Scott KETCHUM Vegetation Management ... positive responses to fertilization in the presence of weed control. Their results closely mirrored those of White and Newton [44], with a negativ...
Ngày tải lên : 08/08/2014, 01:21
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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

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

... model plantation in the Krkonoše Mts. agree with the finding that the slow growth of a part of the population of spruce seedlings is the most marked in the first years after sowing and later it ... population of Norway spruce after their planting in extreme mountain conditions compared to the develop- ment of seedlings of standard and large dimensions...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Variability of initial growth, water-use efficiency and carbon isotope discrimination in seedlings of Faidherbia albida (Del.) A. Chev., a multipurpose tree of semi-arid Africa. Provenance and drought effect" doc

Báo cáo lâm nghiệp: "Variability of initial growth, water-use efficiency and carbon isotope discrimination in seedlings of Faidherbia albida (Del.) A. Chev., a multipurpose tree of semi-arid Africa. Provenance and drought effect" doc

... the growth of the rooting system of this phreatophytic species is the first component of the success of its estab- lishment. During the juvenile stage, the water economy, ... oper- ated on provenances and on isolated geno- types. Ranking for W was consistent with initial growth, and our results matched the second condition listed...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Productivity of Pinus elliottii, P. caribaea and their F1 and F2 hybrids to 15 years in Queensland, Australia" ppsx

Báo cáo lâm nghiệp: "Productivity of Pinus elliottii, P. caribaea and their F1 and F2 hybrids to 15 years in Queensland, Australia" ppsx

... at 10 and 15 years of age. As the mean diameter and height at 10 years of age, was within the range of the trees sampled to derive the volume equations, ap- plication of the equations to the earlier ... comparison of the four taxa that have been most widely planted in southeast Queens- land during the past 20 years; allowing investigation of differ- ences...
Ngày tải lên : 07/08/2014, 16:21
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Báo cáo lâm nghiệp: "Detection of cavitation events upon freezing and of water in stems using ultrasound technique" pdf

Báo cáo lâm nghiệp: "Detection of cavitation events upon freezing and of water in stems using ultrasound technique" pdf

... heating effects of the transducer on the sensor and the sample, we used the sensor intermittently, switching it on only for 2 min out of 10. The acoustic emissions were counted using ... result of the creation of new tech- niques based on the detection of sounds (Milburn, 1973) or, more reliably, ultra- sounds (Tyree and Dixon...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Dynamics of light interception, leaf area and biomass production in the establishment year in Populus clones" pot

Báo cáo lâm nghiệp: "Dynamics of light interception, leaf area and biomass production in the establishment year in Populus clones" pot

... integrators. The location of the line sensor was randomly changed every week among permanent growth plots of the 4 clones. Results Light interception of the clones increased throughout ... deltoidt 1S clone 111-5. The linear regression of cumulative biomass on cumulative intercepted radiation of the 4 clones had an R 2 of 0.87, with...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp:"Influence of cotyledon removal on early seedling growth in Quercus robur L." doc

Báo cáo lâm nghiệp:"Influence of cotyledon removal on early seedling growth in Quercus robur L." doc

... to the consumption of seed reserves. Thus, the kinetic of changes in dry weight and in nitrogen content of both the cotyledons and the growing plant, was established prior to the analysis of the ... replications in each experiment, stage of growth and experimental conditions. Factorial experiment Harvest at different stages of growth Full light Shade Stage o...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp: "Effects of seedling density on the growth of Corsican pine (Pinus nigra var. maritima Melv.), Scots pine (Pinus sylvestris L.) and Douglas-fir (Pseudotsuga menziesii Franco) in containers" ppt

Báo cáo lâm nghiệp: "Effects of seedling density on the growth of Corsican pine (Pinus nigra var. maritima Melv.), Scots pine (Pinus sylvestris L.) and Douglas-fir (Pseudotsuga menziesii Franco) in containers" ppt

... and the Northern Research Station for raising the container seedlings, and the staff rooting volume held constant, has a strong influence on the growth and development of ... survival and growth of these seedlings can be achieved after outplanting on suitable sites given adequate ground preparation and proper weed control and pro...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Allocation of dry matter in Eucalyptus in response to nitrogen supply grandis seedling" ppsx

Báo cáo lâm nghiệp: "Allocation of dry matter in Eucalyptus in response to nitrogen supply grandis seedling" ppsx

... effects of environmental variables or silvicultural treatments on growth and allocation of dry matter by analysis of shoot/root ratio (mass of top/mass of root) but use of this ... relationship was not influenced by seedling [N]. On the other hand, allo- metric relations between W and Wr were dependent upon seedling [N], which influen...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Composition of psocid taxocenoses (Insecta: Psocoptera) in Fageti-Piceeta s. lat. and Piceeta s. lat. forests in the Western Carpathian Mts" pps

Báo cáo lâm nghiệp: "Composition of psocid taxocenoses (Insecta: Psocoptera) in Fageti-Piceeta s. lat. and Piceeta s. lat. forests in the Western Carpathian Mts" pps

... AVZ together with fields of the 8 th and 9 th AVZ. Only single habitats of the 7 th AVZ occur in the field of the 4 th and 5 th AVZ. From the view of hydricity (q-axis), habitats of the 7 th ... habitats of the 8 th AVZ lie along the x-axis on the left side. is dotted field is not situated along the x-axis in the same way as the field of th...
Ngày tải lên : 07/08/2014, 03:22
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