Resultados de búsqueda - Prosur~

  1. Estimation of production losses and measures to reduce thermal stress in dairy production under tropical conditions : results of a field investigation por Qvarnström, Malin

    Publicado 2002
    “…Therefore the mechanical cooling could only be feasible to high-producing cows in hot humid climate. New buildings should be optimal constructed to utilise the natural wind for convective cooling of the cows. …”
    L3
  2. Att restaurera forna tiders beståndsstruktur por Pahlén, Tina

    Publicado 2007
    “…The Jämtgaveln nature reserve - created in 1993 - covers 3 000 hectares of which 2 000 hectares is are productive forest land (that is, capable of producing more than one cubic meter of wood per year). …”
    Enlace del recurso
    Otro

Herramientas de búsqueda: