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  1. No Access

    Article

    Modeling black carbon degradation and movement in soil

    Black carbon (BC), the residue from burning with insufficient oxygen supply, is assumed to be very stable in the environment. Here we present a simple model for BC movement and decomposition in soils based on ...

    Bente Foereid, Johannes Lehmann, Julie Major in Plant and Soil (2011)

  2. No Access

    Article

    Maize yield and nutrition during 4 years after biochar application to a Colombian savanna oxisol

    The application of biochar (biomass-derived black carbon) to soil has been shown to improve crop yields, but the reasons for this are often not clearly demonstrated. Here, we studied the effect of a single app...

    Julie Major, Marco Rondon, Diego Molina, Susan J. Riha, Johannes Lehmann in Plant and Soil (2010)

  3. No Access

    Article

    Influence of market orientation on food plant diversity of farms located on Amazonian Dark Earth in the region of Manaus, Amazonas, Brazil

    Homegardens may serve as reservoirs of agro-biodiversity on highly fertile, anthropogenic Amazonian Dark Earth (ADE) soils of the Amazon basin. However, as these soils are used more intensively for market-orie...

    Julie Major, Charles R. Clement, Antonio DiTommaso in Economic Botany (2005)

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    Chapter

    Weed Population Dynamics and Management on Amazonian Dark Earth

    Julie Major, Antonio Ditommaso, Laura A. German, Joseph M. Mccann in Amazonian Dark Earths (2003)