Essays about: "nitrogen- fixing tree species"

Found 3 essays containing the words nitrogen- fixing tree species.

  1. 1. The effects of black locust (Robinia pseudoacacia L.) on understory vegetation and soils in a northern hardwood forest

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Keri Deneau; [2013]
    Keywords : Robinia pseudoacacia L; northern hardwood forest; understory vegetation;

    Abstract : The nitrogen-fixing tree Robinia pseudoacacia (black locust) has been identified as a potential invasive species outside its native range of the central Appalachian and Ozark Mountains, USA. The objectives of this study were to determine if black locust is causing changes to ground flora and differences in soil nutrient profiles compared to native northern hardwood forests at Sleeping Bear Dunes National Lakeshore (SLBE). READ MORE

  3. 2. Alternative management regimes of Eucalyptus : policy and sustainability issues of smallholder eucalyptus woodlots in the tropics and sub-tropics

    University essay from SLU/Dept. of Forest Products

    Author : Moses Otuba; [2012]
    Keywords : management regimes; production; understory; eucalyptus; nitrogen- fixing tree species; policies; legislations; smallholders; tropics; sub-tropics;

    Abstract : A literature review on the alternative management regimes of eucalyptus; policy and sustainability issues of smallholder eucalyptus woodlots in the tropics and sub-tropics was carried out in autumn, 2011. The aim of the study was to review alternatives to the traditional management regimes under which smallholders in these areas produce eucalyptus and policies in Kenya affecting this production. READ MORE

  4. 3. Klibbalens gödslingseffekt på volymproduktionen i ett blandbestånd av gran och klibbal : en simulering i Heureka

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Therese Andersson; Ronja Jägbrant; [2012]
    Keywords : kväve; kvävefixering; blandskog; blandskogseffekt; Picea abies; Alnus glutinosa; StandWise; biologisk gödsling;

    Abstract : A secondary and a pioneer tree species can with advantage be included in a mixed stand to increase the use of sunlight. Nitrogen-fixing plants have been shown to increase the supply of nitrogen in the soil by, for example, litter fall. This deposition acts as a biological fertilization, which may be used by non-fixing plants. READ MORE