As fuelwood shortages grow , people have to walk progressively further to collect it , adding further hardship to their lives . Recent estimates ( FAO , 1981 ) suggest that ... Despite all the publicity there are still difficulties in ...

The project has generated a lot of enthusiasm and interest in the planting of fast - growing tree species , as indicated ... However , any conclusive or definitive assessment of direct benefits is impossible because the project has not ...

Model development for tropical species is far more complex , and the time to develop such models is limited . ... growing Eucalyptus species have often failed because they did not have desirable characteristics as fuelwood and did not ...

... 2 ) to test fast growing shrub and tree species and various methods for their production for use as firewood ( CATIE ... kerosene , electricity ) is more convenient and cleaner " , and " it is difficult to obtain firewood " were the ...

The Congress was particularly concerned with the " poor man's energy crisis " , the growing " firewood shortage ... It is difficult to say if and to what extent the publications of Worldwatch Institute have created more interest in this ...

not very high in those areas , the supply of fuelwood exceeds the demand and , consequently , considerable volumes of potential ... However , there is a growing interest in the use of charcoal for several types of industry ( 4 ) .

This implies that firewood production from preferred species can only be accomplished with existing forests , since they do not require any ... For this reason , it is difficult to determine accurately the annual volumetric increase .

Still , the absolute number of families that use firewood has hardly decreased due to the fact that the total ... In this paper the production of firewood / ha / year is determined in plantations of coffee varieties grown under the ...

However , it is important that they grow rapidly , at least during the first few years until they are tall and thick ... Well - established living fences may be difficult and expensive to remove , so a careful selection of site and ...

The fact that the purchased firewood or charcoal consumes a major share of their time or budget classifies them in the ... marginal sites where A lot of care should be given to the plantations growing under these marginal conditions .