Búsqueda de LIBROS DEL AUTOR: malcolm cairns

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  • SHIFTING CULTIVATION AND ENVIRONMENTAL CHANGE
    ebook
    SHIFTING CULTIVATION AND ENVIRONMENTAL CHANGE
    MALCOLM F. CAIRNS
    Shifting cultivation is one of the oldest forms of subsistence agriculture and is still practised by millions of poor people in the tropics. Typically it involves clearing land (often forest) for the growing of crops for a few years, and then moving on to new sites, leaving the earlier ground fallow to regain its soil fertility. This book brings together the best of science and...

    $1,760.00

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  • VOICES FROM THE FOREST
    ebook
    VOICES FROM THE FOREST
    MALCOLM CAIRNS
    This handbook of locally based agricultural practices brings together the best of science and farmer experimentation, vividly illustrating the enormous diversity of shifting cultivation systems as well as the power of human ingenuity. Environmentalists have tended to disparage shifting cultivation (sometimes called 'swidden cultivation' or 'slash-and-burn agriculture') as unsus...

    $1,660.00

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