mercredi 11 décembre 2013

Agroforestry Systems

  1.  Salama
    étudiant à Madagascar,si vous recherchez un article de la revue 
    c'est possible moyennant, une belle grimace, comme Gaelle en a seule le secret
    C/C recherche par "relevance" : Madagascar pour exemple

    Indigenous fruit trees of Madagascar: potential components of agroforestry systems to improve human nutrition and restore biological diversity

    Biodiversity in Eastern Madagascar is threatened by slash and burn agriculture, ... in the humid primary forest region of Eastern Madagascar, a total of 150 wild fruit species ... contrast to most of the deforest...
  2. Article

    Essential oil production increases value of Psiadia altissima fallows in Madagascar’s eastern forests

    Fallow with Psiadia one of the most common post-‘slash and burn’ vegetation successions described in the evergreen forests of eastern Madagascar. Some fallows consist of almost pure stands...P. alt...
  3. Article

    Seasonal dependence of rooting success in cuttings from natural forest trees in Madagascar

    Four ligneous species from the tropical forest in the east of Madagascar, with a proven or potentially high economic...Aphloia theiformis, Ilex mitis, Prunus africana and Ravensara aromatica. The cuttings were th...
  4. Article

    Degrading uplands in the rainforest region of Madagascar: Fallow biomass, nutrient stocks, and soil nutrient availability

    Soil fertility restoration depends on natural fallows in the slash-and-burn system of eastern Madagascar. In the Beforona-Vohidrazana study zone,...Trema orientalis, Psiadia altissima, Rubus moluccanus, and Imper...
  5. Article

    Potential to harness superior nutritional qualities of exotic baobabs if local adaptation can be conferred through grafting

    Baobab leaves form an important part of the local diet in Sahel countries and elsewhere in Africa. Existing leaf nutritional data and agroforestry performance information are based solely on Adansonia digitata L....
  6. Article

    Tephrosia species and provenances for improved fallows in southern Africa

    Seeking an alternative to Sesbania spp. tree fallows, a Tephrosia species and provenance trial was conducted at Msekera Research Station, Chipata (Zambia) to evaluate eleven Tephrosia vogelii and three Tephrosia ...
  7. Article

    Identifying the global potential for baobab tree cultivation using ecological niche modelling

    The benefits provided by underutilised fruit tree species such as baobab (Adansonia digitata...L.) in combating increasing malnutrition and poverty become more apparent as awareness grows regarding concerns of cl...
  8. Article

    Hybrid improved tree fallows: harnessing invasive woody legumes for agroforestry

    For several decades, agroforestry specialists have promoted the planting of fallow fields with nitrogen-fixing, fast-growing trees or shrubs to accelerate soil rehabilitation and provide secondary products like w...
  9. Article

    The need to build upon farmer practice and knowledge: reminders from selected upland conservation projects and policies

    On-farm research and development projects in SE Asia's uplands have addressed problems of ecosystems degradation. Farmer adoption, however, of land conservation technologies has generally not resulted or has n...
  10. Article

    Abstracts of other papers presented at the ICRAF International Workshop on “Methods for participatory on-farm agroforestry research”

  11. Article

    A working classification of slash-and-burn agricultural systems

    Slash-and-burn agricultural systems have received a great deal of attention given their observed or hypothesized role in tropical deforestion, biodiversity loss, and contribution to global warming. These agric...
  12. Article

    Vegetative propagation of Prunus africana: effects of rooting medium, auxin concentrations and leaf area

    The region of West and Central Africa is endowed with high-value fruit trees and medicinal plants, which are currently traded locally as well as on regional and international markets. Unfortunately, they are a...
  13. Article

    Certification of agroforestry tree germplasm in Southern Africa: opportunities and challenges

    The lack of high quality agroforestry tree germplasm has long been recognized as one of the major challenges to widespread adoption of agroforestry in Southern Africa. Productivity levels realized in operational ...
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  16. Article

    Use of the iterative diagnosis and design approach in the development of suitable agroforestry systems for a target area

    The process of iterative diagnosis and design with the active participation of farmers and extension agents was found effective in identifying appropriate agroforestry systems for farmers in the Bugesera and G...
  17. Article

    Ten years of work in agroforestry information and documentation

  18. Article

    Identifying climatically suitable areas for growing particular trees in Africa: An example using Grevillea robusta

    A new climatic mapping program was developed to assist species selection in Africa. It takes in information describing species' climatic requirements in terms of six simple factors and outputs a map indicating...
  19. Article

    The relationship between length of fallow and crop yields in shifting cultivation: a rethinking

    Rethinking the relationship between length of fallow and crop yields inshifting cultivation?The theory that a correlation between shortened fallow periods and yielddecline in shifting cultivation exists is que...
  20. Article

    A broadscale land evaluation program to assess the potential for growing particular trees in Africa

    A microcomputer program is presented which can indicate the broadscale suitability of any tree taxon for cultivation at sites across Africa. The program uses a climatic and edaphic database for over 10,000 loc...

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