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  1. Effects of shade and humus fertility on boreal forest tree seedling growth, competition and mycorrhizal colonisation por Dehlin, Helena

    Publicado 2005
    “…The seedlings were grown in monocultures and in all possible two-species mixtures in pots containing humus collected from low- and high fertility sites in the boreal forest. They were then placed under light filters that were intended to simulate daylight (control) and two levels of partial shade by neighbouring plants by reducing light intensity (PAR) plus reducing light quality; i.e. the red: far-red ratio (R: FR). …”
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  2. Pesticide use in rice cultivation in Tarapoto, Peru por Palm, Britta

    Publicado 2007
    “…Semi-structured interviews with PRA/RRA tools took place with seven voluntary rice farmers. The aim of the interviews was to understand the socio-economic conditions, found out about rice cultivations practices, the usage patterns of pesticides and to identify suitable water sampling sites. …”
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