Resultados de búsqueda - "M"

  1. Growth and management of Silver birch and Hybrid aspen in southern Sweden por Tuvikene, Mari

    Publicado 2021
    “…Simulations of full rotation stands of silver birch showed that optimal rotation length of birch stands planted with improved material is between 36 – 40 years, while mean annual increment varies from 9.2 – 13.3 m3 ha-1 year-1 with the best performance delivered by birch planted on agricultural land.…”
    H2
  2. Biofuel - opportunities and challenges for the poor in Cameroon por Effanga, Ayuk Remi

    Publicado 2010
    “…Ever since the shell geologist M. King Hubbert came up with his prophesy predicting the depletion of peak oil (regarded as "Hubbert peak" in the 1940s and 1950s), several countries in the world including Brazil, Sweden and the United States of America have been looking for alternative energy means with more emphasis on renewable energy such as bio-energy. …”
    Enlace del recurso
    Second cycle, A2E
  3. Effects of nutrient loading in Lutz spruce seedlings (Picea x lutzii Littl.) during nursery rotation and on subsequent growth in field por Jonsdottir, Rakel

    Publicado 2011
    “…Lutz spruce (Picea x lutzii Littl.) seedlings were nutrient loaded using four fertilization regimes, receiving in total 0, 7.8, 22.2 and 31.4 g N/m2 over a period of eight weeks (6th august – 27th September) to investigate the effects on biomass allocation, frost hardiness, root growth capacity and nutrient status after the nursery rotation. …”
    H1
  4. Tracing the source of groundwater for three different coastal peatlands along Lake Superior por Paesalu, Margus

    Publicado 2011
    “…Pequaming was approximately 80 % upland groundwater supported and up to 20 % Lake water supported in the uppermost 1 m layer of peat column of the transition zone and open fen. …”
    H2
  5. Productivity of Norway spruce (Picea abies) and Scots pine (Pinus sylvestris) in coastal areas of northern Sweden por Zhang, Bo

    Publicado 2012
    “…Average height was 2.3 m higher for Scots pine stands than for Norway spruce stands. …”
    H2
  6. Optimization of CarG crystals por Persson, Teres

    Publicado 2012
    “…Crystals were obtained in a concentration range between 1.3-1.8 M AmSO4 and pH 7.5 and 8, respectively. Using these conditions seeding techniques and cocrystallization with imipenem and meropenem were performed. …”
    Enlace del recurso
    First cycle, G2E
  7. Estimating soil organic carbon from soils to the sea por Saores, Ana R.A.

    Publicado 2011
    “…Fluxes of TOC for major 43 river mouth basins were found to vary from 2.1 to 7.6 g C m-2 yr-1. Losses of C within these basins of C had a mean value of 35% and were found to be mostly related with WRT as C losses increased with longer WRT. …”
    H2
  8. Long-term effects of organic and mineral fertilizer application on physical soil properties and maize yield in western Kenya por Cebula, Paulina

    Publicado 2013
    “…IF varied between 1.3 and 9.1m/day. BD was generally low with an overall mean of 1.16 g/cm³. …”
    H2

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