@phdthesis{1b922cb428724a738d556f14a26402af,
title = "Planted tree fallows and their influence on soil fertility and maize production in East Africa: nitrogen fixation and soil nitrogen dynamics",
keywords = "agroforestry, fallow, kenya, maize, nitrogen fixation, sesbania sesban, soil fertility, tanzania, trees, agroforestry, fallow, kenya, maize, nitrogen fixation, sesbania sesban, soil fertility, tanzania, trees",
author = "Lena St{\aa}hl",
year = "2005",
language = "English",
isbn = "91-576-6908-2",
series = "Acta Universitatis Agriculturae Sueciae",
publisher = "Swedish University of Agricultural Sciences",
number = "2005:109",
}