Download Agroforestry for Sustainable Land-Use Fundamental Research by G. Schroth (auth.), Daniel Auclair, Christian Dupraz (eds.) PDF

By G. Schroth (auth.), Daniel Auclair, Christian Dupraz (eds.)

This quantity contains a variety of unique contributions provided at a workshop held in Montpellier, France, in June 1997. the 2 major goals of the workshop have been, to begin with, to assemble what's understood concerning the methods underlying agroforestry perform, and, secondly, to supply a discussion board to discover correct versions and modelling methods. The workshop used to be additionally in a position to play a job in analyzing the agroforestry structures encountered in temperate and Mediterranean parts, together with either conventional and extra cutting edge agroforestry practices. the most elements mentioned have been: ecological interactions among elements, environmental impression, economics and coverage modelling.

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Extra resources for Agroforestry for Sustainable Land-Use Fundamental Research and Modelling with Emphasis on Temperate and Mediterranean Applications: Selected papers from a workshop held in Montpellier, France, 23–29 June 1997

Sample text

This seems to be the case for cacao (Aivim and Alvim, 1980). In Sabah, box-shaped plots have been developed in which cacao, once established, is only protected laterally by the trees which are planted on the boundary of plots of variable size (Lim, 1980). In the cited experiment, root competition for water and nutrients did not seem to be important, increased radiation was apparently the main reason for cacao yield increases in box-shaped plots as compared with plots with overhead shade, but the principle can equally be applied in situations where root competition is more relevant.

He immediately sprayed the contaminated trees, stopping the aphid propagation. The control forestry treatment was not watched over by the farmer, and was not easily accessible due to the amount of weeds and shrubs: it was not sprayed, resulting in a much higher infestation level. Tree-shelters in temperate silvopastoral stands In a silvopastoral system, young seedlings need to be protected against browsing animals. , 1997). Forestry control plantations are not grazed, and usually trees need not be individually protected with shelters.

Ann Rev Ecol Syst 17: 245-271 Ezenwa IV and Atta-Krah AN (1992) Early growth and nodulation in Leucaena and Gliricidia and the effects of pruning on biomass productivity. In: Mulongoy K, Gueye M and Spencer DSC (eds) Biological nitrogen fixation and sustainability of tropical agriculture, pp 171-178. International Institute of Tropical Agriculture, Ibadan Fernandes ECM, Davey CB and Nelson LA (1993) Alley cropping on an acid soil in the upper Amazon: mulch, fertilizer, and hedgerow root pruning effects.

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