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Báo cáo lâm nghiệp: " production in an irrigation and tilization field experiment with Eucalyptus globulus Aboveground biomas" pdf

Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: " production in an irrigation and tilization field experiment with Eucalyptus globulus Aboveground biomas" pdf

... biomass in the rainfedtreatments (F and C) than in IL and I. Theaccumulation of stem biomass wasgreater in IL and I than in F and C, both in absolute amounts and in ... whereas, in IL and I, the aboveground biomass was262 and 185% greater than in C. That wasa period when water stress occurred in the rainfed plots (F and C). During thefollowing ... thefollowing rainy season (September 1986-February 1987) and during the 2nd yr ofgrowth, there was a significant increase in the biomass of the F plots. In all cases, ILand...
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Báo cáo lâm nghiệp: "Changes in carbon uptake and allocation patterns in Quercus robur seedlings in response to elevated an 2 CO and water stress: C 13 labelling" pps

... provenanceManoncourt) were collected in Autumn 1993 in a parent stand close to Nancy (Lorraine, France), soaked in fungicide (Rhodiasan, Rhône PoulencParis, France) and stored ... in plastic bagsover-winter. In March 1994, the acorns werepeeled, soaked in water and sown in 5-L cylin-drical plastic containers filled with a shagnum-peat and sand ... and C/N ratio over the 22-week growing periodOriginal articleChanges in carbon uptake and allocation patterns in Quercus robur seedlings in responseto elevated CO2 and...
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Báo cáo lâm nghiệp: "Changes in phenolic acids and stilbenes induced in embryogenic cell cultures of Norway spruce by two fractions of Sirococcus strobilinus mycelia" pot

... isorhapontin (iRHAP), astringin (ASTR) and piceid (PIC), determined in Norway spruce cell cultures treated with 5% and 20% A. abietina culture filtrate and from the control cells (C). Means of two independent ... Similarly, induction of phenylpro-panoid biosynthesis and accumulation of phenolics were observed in soybean leaves following the ex-posure to chitin and chitosan (K et al. 2003). An increase in ... B., S D.L. 2003): Chitosan and chitin oligomers increase phenylalanine ammonia-lyase and tyrosine ammonia-lyase activities in soybean leaves. Journal of Plant Physiology, 160: 859–863.L...
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Báo cáo lâm nghiệp: "Macronutrients in tree stems and foliage: a comparative study of six temperate forest species planted at the same sites" pps

... Lithuanian sites and from two opposite sides at the Danish and Swedish sites. Leave samples and wood core samples, including bark, were driedto constant weight at 40 °C, homogenised and analysed ... highest in ash and lime leaves, inter-mediate and very similar in beech, oak and birch, and lowest in spruce. The high concentration of S in ash leaves was dueto high concentration in the leaflets, ... European tree species (oak, ash, beech, birch, lime and spruce) planted in adjacent stands on six sites were compared in terms of macronutrient concentrations in foliar and stem wood (including...
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Báo cáo lâm nghiệp: "Variation in the composition and content of ellagitannins in the heartwood of European oaks (Quercus robur and Q petraea). A comparison of two French forests and variation with heartwood age" ppt

... ellagitannins of newheartwood.Measurement of insoluble tannins in two samplesTable VI gives the mean concentrations ofinsoluble ellagitannins remaining in samples of Limousin ... well as a general decline in ellagitannins, the individual tannins re-spond differently during ageing.Vescalagin, the most abundant ellagitan-nin in outer heartwood, is ... before each declines again in older wood. Grandinin and roburin E showless clear patterns, but in general concen-trations remain approximately constantduring the first 30...
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Báo cáo lâm nghiệp: "Production potential and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site of the Křtiny Training Forest Enterprise" pot

... 2.14344deviation from 3 significant insignificant insignificant insignificant insignificant significant insignificant insignificant insignificant insignificant insignificant insignificanthalf-sum 8.85 7.15 9.73 ... 0.15deviation from 0 significant insignificant significant significant insignificant significant insignificant insignificant insignificant insignificant insignificant insignificantacuteness (kurtosis) 2.27 ... 2.77 2.34 2.16deviation from 3 insignificant insignificant insignificant insignificant insignificant insignificant insignificant insignificant insignificant insignificanthalf-sum 9.70 8.95 13.45 11.60...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Production and humus form development in forest stands established on agricultural lands – Kostelec nad Černými lesy region" potx

... observed in the mineral hori-zons, in this case, the contents were high, especially high in the birch stand and in the arable soil and low in spruce and in pine.e obtained results can hardly ... lower in the pine stand and especially lower in the older stand on forest land. In the mineral soil, the highest values were in the field soil, followed by birch stand, the situation in the ... detected in the Douglas fir stand, low Ca contents are documented in pine and in the stand on the former forest soil. In the mineral soil, the clearly higher Ca content is analyzed in the birch stand...
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Báo cáo lâm nghiệp: "Status of an indigenous agro-forestry system in changing climate: A case study of the middle Himalayan region of Tehri Garhwal, India" potx

... hill farmers have maintained close linkages and balances between agriculture, forestry and animal husbandry, and based on these linkages the land use patterns are determined in the Garhwal hills ... Landrace renaissance in the mountains: Experiences of the Beej Bachao Andolan in the Garhwal Himalayan region, India. In: Proceedings International Symposium on Participatory Plant Breeding ... of youth in search of employment and changing socio-economic and climatic conditions were some of the major reasons for declining agro-forestry system and abandoning the agricultural land. Keywords:...
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Báo cáo lâm nghiệp: "Variability in Populus leaf anatomy and morphology in relation to canopy position, biomass production, and varietal taxon" docx

... rubble.Hardwood cuttings (25-cm long) were planted in a double-row de-sign with alternating inter-row distances of 0.75 m and 1.5 m, and aspacing of 0.9 m within rows accommodating an overall density ... and specific leaf area vary according togrowth irradiance and temperature as well as with the age ofthe plants [41,43–45]. Thus, the finding of stable determinantsremains an open question, and ... plantation includ-ing site management, history and plant materials can be found in [17] and [36].All 17 poplar genotypes had been selected for superior biomass production and disease resistance...
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Báo cáo lâm nghiệp: "Response to an ozone gradient of growth and enzymes implicated in tolerance to oxidative stress in Acer saccharum (Marsh.) seedlings" pot

... 1% and 10% of full sun-light than between 10 and 100% [11]. The light environments in our experiment were comparable to the levels found in largegaps (low irradiance treatment) and in plantations ... processes.However, after 85 days, the NR activity in the seedlings waslower and decreased with increasing O3. At that time in theseason and with increasing oxidative stress, NH3may havebeen provided ... français des Affaires étrangères” (coopération France-Québec)n˚ PVP 10-1 and in part by a grant from the Natural Sciences and Engineering Research Council of Canada, and by the Centre deRecherche...
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