The Persisting Ecological Constraints of Tropical Agriculture . Burnt Mill , Harlow , UK , Longman Scientific & Technical . 319 p . WRI , 1999. 1998-99 World Resources , A Guide to the Global Environment . Environmental Change and Human ...

Within historic times and more or less paralleling the development of guild craftmanship and industrialization , the great push in tropical agriculture has been that of the plantation system , the system of large land holdings producing ...

Rambutan ( Nephelium lappaceum ) : Rambutan , a relative to the litchi , is well adapted to the humid tropics , with rainfall ... Although there is not much experience with its cultivation in South America , the ecological conditions at ...

Very high palatability can be detrimental to persistence of legumes . Most tropical legumes contain tannins , which reduce palatability . A certain level of unpalatability is favourable for persistence . Tannins also prevent the ...

Ecology and agriculture in the Mantaro Valley of Peru with special reference to potatoes ( International Potato Centre ... Ithaca ) NUGENT , S. ( 1991 ) ' The limitations of " environmental management " : forest utilisation in the Lower ...

Legume - based pastures for beef production have comparative advantage for expanding the agricultural frontier of Tropical America into its vast Oxisol - Ultisol regions . This may provide an alternative ...

Situation of agricultural production and productivity in LAC The aggregated agricultural production indexes in the Region ... In other words, poverty persists in the Region and is concentrated in the tropical and subtropical areas.

Agricultural Investment Alternatives to Oil Palm ... Although there is not much experience with its cultivation in South America , the ecological conditions at Victoria seem to be suitable for its development .

from legitimate colonist farmers , because the sale of land is a normal economic process . ... is the only alternative in many humid tropical colonization areas , due to the limited agricultural capacity of the land , and that colonists ...

For policy reform actions proposed by international institutions , environmental and social assessments should be ... of wrong policies and wrong lending projects , and to situations in which social and economic problems persist . 5.