From natural fibres as fillers towards high end applications in composites.
Natural Fibres for Composites in Ethiopia.pptx
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Transcript of Natural Fibres for Composites in Ethiopia.pptx
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Natural Fibres forComposites in Ethiop
Tolera
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List of bres
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Literature reviews on Bamboo and its Abundancy Ethiopia
In the !"#s$ the total area of bamboo was estimated at %& million hectincludin' million hectares of lowland bamboo% (owever$ a study by priconsultants in !!) si'nicantly reduced this estimate% The currently es
of +##& it mean, total area of bamboo is -.! ### ha% The area of sympois )## ### ha% About .- ### ha were mapped and partly surveyed for tstudy% The total area of mapped monopodial bamboo is .- "+" ha$ incl"+" ha of naturally re'enerated and ! ### ha of planted bamboo% It is lthe Ethiopian bamboo area has been shrin/in' since !!)%
0ource1 2orld bamboo resources A thematic study prepared in the framewor/ of the 3lobal Forest 4esourc
The botanical name of Ethiopians lowland
bamboo is 56ytenonthera abyssinica%Its hei'ht ran'in' from to # metres
and diameters ran'in' from & to # cm%
7istribution of lowland bamboo in Ethiopia%
0ource1 Bamboo cultivation manual Eastern Africa b
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Bamboo 8lants
Ethiopia has an estimated one million hectares of natural bamboo forest$ the laAfrican continent (Mekonnen et al, 2014)
Bamboo land covera'e in Ethiopia from Ethiopian Forest 4esources study by *:+##, shows that$
Highland bamboo 31,003 hectare
Lowland bamboo 1,070,191 hectare
0ource1 2BI088$ +##& *p% -,
A framewor/ of the bamboo production
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7iversity of Bamboo 8lants and >tili?ation in Ethi
Different bamboo species are available in Ethiopia. Ethiopia has Africas biggest bamboo resources and this plan
in sustainable cycles on 30%-40% of the mature culms every to years !"#$.
he total resource base of Ethiopia is confined to to indigenous bamboo species out of more than "#00 species
orld and 43 species in Africa. he highland bamboo &'ushania Alpina() *cm diameter and "+m height covers "
monotypic genus loland bamboo &,ythenantera Abyssinica() ith solid culms at maturing age) #cm diameter acovers *#%.
he Ethiopian natural bamboo forest covers about " million hectares) hich is about +% of the orld total and +
bamboo forest area.
Source: ECBP-Documentation) /amboo 1olicy in Ethiopia2) onference on bamboo applications Editor5 6. 7eorge) Addis Ababa Ethiopia) 800+.
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@enaf plant
@enaf *(ibiscus spp%,% @enaf is reported by many authors of bein' an Ethiopia ori'in%cannabinus occurs wild in a ran'e of habitats% The cultivated species is (ibiscus sabaddition to these si6 wild (ibiscus spp% have been observed in Ethiopia%
@enaf ori'inated in Africa and 'rows wild mainly in the tropical ?one and subtropical Africa% @enaf is also cultivated in tropical ?ones and subtropical re'ions worldwide as
@enaf is a strai'ht annual plant that 'rows to +%& m to . m in hei'ht% The surface s/io from the stem and the bers are used as the material for ropes$ mats$ and 9ute b
4ecently$ the bers are also used as the material for paper$ electrical insulation$ and
The suitable temperature for the 'rowin' period is "C to +)C and an avera'e rainmm to ) mm%
The plant does not reuire a special soil conditionD however$ cultivation in lowland swsuitable as it has low moisture resistance%
0eeds need to be planted in :ay to une% After the stem has 'rown suciently$ the p
removed and dried under the sunli'ht%The surface s/ins are peeled o after soa/in' them in water for # to +# days$ and te6tracted%
0ource1 Fiber 8lants of Africa and their >sa'e by apan Association for International Collaboration of A'riculture and Forestry :arch
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False banana tree*Ensete,
The wild form of !n"ete #entrico"$mis widespread in tropical Africa from Ethiopia$ th@enya$ >'anda and Tan?ania south to :o?ambiue and 0outh Africa *Transvaal,$ andthe 7emocratic 4epublic of Con'o%
Enset is cultivated only in Ethiopia$ where it was rst domesticated possibly about -#a'o% The centre of enset cultivation is in the mountains of south
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R
0ource1 0outhern Ethiopia 8eoples 4e'ional Administration :inistry of A'riculture%
Landscape in 0idama ?one showin' ve houses*left
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0isal
0isal bre is obtained from the leaves of the plant% It also is used asornamental plant% Trade data cover bres that are raw$ prepared foand tow and waste$ includin' yarn waste and 'arnetted stoc/% Fi'uthe total domestic production whether inside or outside the a'ricult
i%e% it includes non
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0isal plant
0ource1 http1JJwww%factsh%comJstatistic
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Bast bres
0ource1 http1JJwww%factsh%comJstatistic
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