2 edition of Wood and kraft pulp quality of plantation grown Pinus patula from Kenya. found in the catalog.
Wood and kraft pulp quality of plantation grown Pinus patula from Kenya.
Ben E.N Chikamai
Written in English
|The Physical Object|
|Number of Pages||123|
1) Background to the Forestry Sector Structure Forests and woodlands cover approximately million hectares in Uganda, about 24% of the total land area. The vast majority of this is woodland (19%), while the rest is tropical moist forest (5%) and forest. Table Total Area under Forests by Region plantations (%). The total forest reserve area is estimated at 1,, hectares, of Plant derived gums and resins 53 Table 2. Pine species grown in Kenya* Species Area (ha) 44, 10, 1, Pinus patula Pinus radiata Pinus elliottii Pinus halepensis Pinus canariensis Pinus caribaea Other pines * --+ Forestry Dept.; Field tapping is based on the Portuguese method that advocates for narrower face ://
A repeatability study of trait assessment in a Pinus patula breeding programme Southern African Forestry Journal Snedden, C. L. and Verryn, S. D. An investigation into the occurrence and nature of genotype by environment interaction in Pinus patula Southern African Forestry Journal There are available Holdings based on Forestry (TRC) "Hot and cold bath" treatment of ipil-ipil posts (STII) (L.) Hull) by steam treatment - effects on establishment and early growth of Scots pine (STII) The forest fires in the upper Agno river basin: a preliminary analysis (STII): 40 years (STII): The ABC of lumber grading - the NHLA way (STII)?&sub=Forestry.
Kraft pulping and bleaching studies on young exotic hardwood species* Appita 30 (6): * Wood quality in Eucalyptus grandis (Hill) Maiden, grown in Zambia. Holcforschung 26 (4)&L Thermomeohanioal and ohemifthermomechanioal pulps from eucalypts and other hardwoods* Appita 30 (5)W Kraft pulp of bolaina :// Soda Anthraquinone process gives yield and pulp quality similar to Kraft level and better than soda level in case of pulping Eucalyptus and pine wood. In case of pulping of Eucalypus hybrid it was observed that for identical pulping conditions addition of anthraquinone resulted in reducing the Kappa number of pulp
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Variation in the wood quality of Pinus patula grown in Kenya. East African Agriculture and Forestry Journal 52(3): Pulps from New Zealand grown P. patula and P. taeda Adlard PG,Bailey CG,Austin S Wood density variation in plantation grown Pinus patula from Viphya Plateau, Malawi.
Oxford For Inst Univ Oxford, Occas Pap 5, 15pp Aldridge F, Hudson RH Growing quality softwoods. Q J For Almeida CM, Brune A, Silva JC, Oliveira LM Estimativas de herdabilidades e The present investigation was carried out to evaluate the pulp wood quality of selected tropical pines viz, Pinus caribaea Morelet, P.
patula Schldl. et Cham. and P. oocarpa Schiede, grown in The aims were to compare wood and pulp fibre measurements and to estimate the efficiency of sampling at breast height (BH: metre) for prediction of whole tree wood and kraft pulp fibre :// A study involving near-infrared spectral measurements of wood meals was used to measure the within-tree variation of kraft pulp yield in plantation-grown trees of Eucalyptus nitens, to model the Eucalyptus grandis grown for sawtimber in South Africa: This stand is 15 years old and has well thinned.
A mature Musizi (Maesopsis eminii) tree in Budongo Forest. Musizi is a fast growing indegenous hard wood. Plantation Guidelines Nos. 5&6 - June “Plantations are a major source of industrial wood in Species for Commercial Timber Production in C/O Kenya Forestry Research Institute, P.O BoxMobil Plaza, Nairobi, Kenya.
Tel: + or + Emails: [email protected] or [email protected] Date and Place of Birth: OctoKakamega The prediction of the flexural lumber properties from standing South African-grown Pinus patula trees Article (PDF Available) in European Journal of Forest Research (1) January Northern provinces P.
patula is the most important softwood species in commercial forestry in South Africa. Approximately ,ha is afforested with this species by the different forestry companies and it is grown for a variety of timber and pulp products The genus Pinus comprises approximately taxonomically distinct species and many Notes on Taxonomy and Nomenclature Top of page.
Pinaceae is a family of gymnosperms including about 11 genera and species. Members of this family are mostly resinous trees or rarely shrubs found mostly in temperate regions of the Northern Hemisphere (Stevens, ).The genus Pinus includes species.
caribaea belongs to Pinus section Diploxylon, characterized by hard timber and 2 Wright JA, Sluis CHJ () Tracheid morphology and pulp and paper strength traits of Pinus taeda and Pinus patula at age 17 years in South Africa. Tappi J 75(5)– Google Scholar Yáñez-Espinosa L, Terrazas T, López-Mata L, Valdez-Hernández JI () Wood variation in Laguncularia racemosa and its effect on fibre :// Comparison of Basic Density, Strength Properties and Fibre length of juvenile and mature wood of Pinus patula grown in Meru Forest plantation, Arusha - Tanzania.
Record No. Faculty of Forestry, Morogoro. Gillah P.R. and R.C. Ishengoma, Kraft Pulping of Leucaena leucocephala grown in South African grown Pinus Patula woodchips was directly pre-treated with green liquor prior to Kraft pulping.
Kraft pulping conditions for high yield Kraft pulp were evaluated to determine the potential of the technology. Material and Methods Woodchips: The Pinus patula wood logs were sampled from one of the local :// International Academy of Wood Science annual meeting, August SeptemberStockholm Sweden.
Megown, R.A., Turner, P., Grzeskowiak, V. and Megown, K. The development of a GIS based wood quality prediction system for the pulp and paper industry.
TAPPSA Conference “African Paper week ‘ and beyond’”. Durban, South Wood quality in artificially inclined 1-year-old trees ofEucalyptus regnans — differences in tension wood and opposite wood properties Shakti S.
Chauhan and John C.F. Walker Canadian Journal of Forest Research,Vol Number 5, Page that planting of Pinus patula in future at 3m x 3m was appropriate. The Chief Conservator of Forests' authority bas seen the move from m x m to m x.
m spacing in the Cypresses and to 3m x 3m for Pines in pulp wood areas respectively (Technical Order on Cypress and on Pines). JUSTIFICATON FOR CHANGE This can be reflected in large trait dispersion among different provenances.
For example, the wood density of Pinus caribaea Morelet varied from kg/m 3 when grown in New Zealand, – kg/m 3 in Australia, – kg/m 3 in Fiji, and – kg/m 3 in Malaysia (Brazier, ). A pine is any conifer in the genus Pinus (/ ˈ p iː n uː s /) of the family Pinaceae. Pinus is the sole genus in the subfamily Plant List compiled by the Royal Botanic Gardens, Kew and Missouri Botanical Garden accepts species names of pines as current, together with 35 unresolved species and many more synonyms.
Pine may also refer to the lumber derived from pine trees II. Pulp, paper and timber properties of plantation-grown tropical pines, Liegel LH, Assessment of hurricane rain/wind damage in Pinus caribaea and Pinus oocarpa provenance trials in Puerto Rico.
Commonwealth Forestry Review, 63(1); 15 ref. Mabberley DJ, The plant-book: a portable dictionary of the vascular :// Pinus kesiya is a fairly fast-growing tree, and a useful source of timber and pulpwood. For tropical Africa it has best prospects at – m altitude.
Below m its yield is lower than that of Pinus caribaea and Pinus oocarpa, whereas above m Pinus patula gives higher ://(PROTA). The wood of this tree can be used for shingles, fencing, and branches (harvested sustainably) are said to make excellent, hot burning firewood.
Yellowwood (aka Podocarpus falcatus) The wood, often called podo or yellowwood, is good for construction, particularly boat and ship building. Related blog: 10 trees to know and love, Canada edition Color/Appearance: Heartwood is light brown, wide sapwood is a paler yellowish white, and is distinct from the heartwood.
Radiata Pine lumber is plantation-grown, and generally has very wide growth rings and is knot-free. Grain/Texture: Straight grained with a medium, even texture.
Endgrain: Medium-large resin canals, very numerous and evenly distributed, mostly solitary; earlywood to latewood Summary of Invasiveness Top of page.
Pinus elliottii var. elliottii, commonly known as slash pine, is an important timber tree species native to the lower coastal plain within the southeastern grow up to 36 m in height and m in diameter, producing a long, clear bole.
Because of its rapid early growth and production of highly valuable wood products, it has been widely introduced