Báo cáo lâm nghiệp: "Effect of nitrogen supply on growth and

Báo cáo lâm nghiệp: "Effect of nitrogen supply on growth and internal cycling within deciduous trees nitrogen" docx

... Effect of nitrogen supply on growth and internal nitrogen cycling within deciduous trees P. Millard Division of Plant Research, Macaulay Land Use Research Institute, ... upon internal N cycling, using N sup- plied to apple trees grown in sand culture to quantify the proportion of N used for seasonal growth that was taken up by r...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: "Effect of stand segmentation on growth and development of Norway spruce stands" pps

... international IUFRO experiment dealing with the ra - tionalization of young spruce stand tending (A 1977). One part of this series, Machov CZ 14 experi- Eﬀect of stand segmentation on growth and ... 323–329 confirmed under conditions of this investigated locality. CONCLUSION Based on the analysis of a part of results from the international IUFRO trial CZ 14 Machov...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Effect of shelter tubes on establishment and growth of Juniperus thurifera L. (Cupressaceae) seedlings in Mediterranean semi-arid environment" pot

... information for under- standing the effects of the treeshelters upon the seedlings in the trial environment. The reduction of radiation inside the shelter could make the plants grow higher and to ... analyzed by means of the meteorological station, of the brand THIES mod. DL- 15, located in the trial zone. Data about temperature and precipitation Figure 1. (A) General distribution...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Effect of climatic factors on the dynamics of radial increments of Norway spruce, European beech and sessile oak" potx

... precipitation of the actual year is most signiﬁcant for 100% of trees and for almost 80% of trees in this stand, and only for 10% or 5% of trees the precipitation in September and October of the ... Individual dispositions of tree, site and climatic conditions of each tree contribute to their forma- tion. Possible damage to trees and change in the growth...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp:"Effect of tube shelters on the growth of young Turkish pines (Pinus brutia Ten., Pinaceae)" pptx

... germination in 1995 and were 1 year when they were planted on an area of around 5 ha, on a shallow, stony, chalky soil. The planting alternated one row of one-year seedling pines and five rows of vines. ... Clustering of growth units according to their position on the annual shoot. (B). Position of growth units on 1997 and 1998 annual shoots, depending on whether...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Effect of storage conditions on post planting water status and performance of Pinus radiata D. Don stock-types" doc

... in turn can reduce root growth as mentioned above. The rate of physiological recovery is dependent on the severity of drought [14] but also on the conditions and duration of preplanting storage; ... Ortega-Lasuen U., González-Moro B., Lacuesta M., Muñoz-Rueda A., Storage duration and temperature effect on the functional integrity of container and bare-root Pinus radiat...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Effect of shade net on stomatal conductance, photosynthesis, photochemical efficiency and growth of oak saplings" pptx

... Hall, London, UK, 193-206 Demmig B, Björkman O (1987) Comparison of the effect of excessive light on chlorophyll fluorescence (77 K) and photon yield of 02 evolution in leaves ... conditions: diurnal course of net CO 2 assimilation and photochemical efficiency of photosystem II. Plant Cell Environ 15, 809-820 Greer DH (1995) Effect of canop...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: "Effect of water stress on potassium distribution in young seedlings of maritime pine (Pinus pinaster" doc

... were converted into meq of K+ and expressed on a root fresh weight basis in order to limit the effect Discussion and Conclusion The examination of variations in the K+ content ... response of the two populations of pine; they illustrate the relations between the dry weight of a sample and its K+ content. An accumulation of K+ was...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: "Effects of phosphate deficiency on photosynthesis and accumulation of starch and soluble sugars in 1-year-old seedlings of maritime pine (Pinus pinaster Ait)" doc

... nonlinear re- gression techniques using equation [1]. Light response curves The light response curve of photosynthesis was obtained at 25 Pa of CO 2 (c a ), and 2 kPa of ... the convexity of the quantum response of the potential electron transport of needles and was fixed at 0.79 (Leverenz and Jarvis, 1979). a is the initial slope of...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: "Effects of exogenous ABA on photosynthesis and stomatal conductance of cut twigs from oak" doc

... enough to modify these conclusions. Existence of ’patchy behavior’ of stomata in response to ABA (Downton et al., 1988) could contradict these conclusions, but there is still ... 1174-1181 Results Effects of cutting Cutting caused an immediate and steep decrease in stomatal conductance (g) and net C0 2 assimilation (A) (Fig. 1 and a rapid incre...

Ngày tải lên : 09/08/2014, 04:20

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