Resultados de búsqueda - "Chang’an"

  1. Changes in response to integrated interventions in the value chain of vegetables in Atsbi-Womberta District of Tigray Region, Northern Ethiopia por Woldewahid, G., Gebremedhin, Berhanu, Berhe, Kahsay, Hoekstra, Dirk

    Publicado 2009
    “…Simultaneously, beneficiaries increased by 82% while irrigated vegetable coverage by 87%. These successful changes in income attributed to improved capacity of actors to manage irrigated vegetables effectively in response to emerging opportunities and challenges including shifts in irrigated crop choices in reply to nutrient mining, pest load and market demand. …”
    Enlace del recurso
    Conference Paper
  2. Population changes of plant-parasitic nematodes associated with cover crops following a yam (Dioscorea rotundata) crop por Claudius-Cole, A.O., Fawole, B., Asiedu, Robert

    Publicado 2015
    “…This study evaluated nematode population changes under cover crop cultivation following a main yam crop. …”
    Enlace del recurso
    Journal Article
  3. Changes in soil chemical properties under two contrasting plantation systems on the Zululand coastal plain, South Africa por Noble, A.D., Berthelsen, S., Mather, J.

    Publicado 2005
    “…Pedogenesis and selected chemical attributes of a 49-year-old stand of Eucalyptus grandis and Pinus elliottii established on these sands were compared. Changes in soil pH, exchangeable cations, organic carbon, extractable Fe and Al and the surface charge characteristics were investigated. …”
    Enlace del recurso
    Conference Paper
  4. Soil organic carbon stocks in semi-arid West African drylands: implications for climate change adaptation and mitigation por Tondoh, Jérôme E., Ouédraogo, Issa, Bayala, Jules, Tamene, Lulseged D., Sila, Andrew M., Vågen, Tor-Gunnar, Kalinganiré, Antoine

    Publicado 2016
    “…On the other hand, investigation on the potential of climate change mitigation through SOC revealed contrasted figures as accumulation rates in cultivated lands ranged from 0.04 to 0.18 Mg C ha-1 yr-1 and are balanced by higher depletion rates of -0.004 to - 0.73 Mg ha-1 yr-1. …”
    Enlace del recurso
    Preprint
  5. Effect of land use change, cropping systems and soil type on earthworm cast production in West and Central Africa por Hauser, S., Norgrove, L., Asawalam, D., Schulz, S.

    Publicado 2012
    “…Data on earthworm surface cast deposition in undisturbed, cropped and recovering sites from West and Central Africa were compiled to assess the effects of land use system (LUS) change and if casting can be used to indicate soil quality. …”
    Enlace del recurso
    Journal Article

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