2001
DOI: 10.1023/a:1011959805622
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Abstract: and Gliricidia sepium (Jacq.) Walp. growing in association with maize (Zea mays L.) were examined in semiarid Kenya during the long rains of 1996 and 1997. Even although tree roots penetrated more deeply than maize roots, maximum root length densities for both tree species and maize occurred in the top 200 mm of the soil profile where soil moisture was frequently recharged by rains. Populations of roots in plots containing trees were dominated by tree roots at the beginning of the growing season but because tr… Show more

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Cited by 40 publications
(9 citation statements)
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References 39 publications
(24 reference statements)
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“…Akinnifesi et al 2004;Sudmeyer et al 2004). The data confirm that tree roots are most numerous in the crop rooting zone (Odhiambo et al 2001). However, the combined results presented in Figure 3, mask considerable differences between species in both number of roots and their distribution down the soil profile (Figures 4, 5).…”
Section: Below-ground Tree Growthsupporting
confidence: 60%
See 1 more Smart Citation
“…Akinnifesi et al 2004;Sudmeyer et al 2004). The data confirm that tree roots are most numerous in the crop rooting zone (Odhiambo et al 2001). However, the combined results presented in Figure 3, mask considerable differences between species in both number of roots and their distribution down the soil profile (Figures 4, 5).…”
Section: Below-ground Tree Growthsupporting
confidence: 60%
“…On the deep soil at Kifu, Grevillea and Maesopsis appear to have root architectures more compatible with crops than the other species, although this assumption is not consistent with the crop data which was obtained: while Grevillea was not competitive, Maesopsis was, and above-ground competition by its widely spreading canopy may have been an important contributory factor. Previous studies of Grevillea have shown it to be variable in its root architecture (Howard et al 1997;Odhiambo et al 2001;Smith et al 1999), which highlights the importance of individual site studies.…”
Section: Below-ground Tree Growthmentioning
confidence: 94%
“…Such competition for water can potentially outweigh the benefits of AFS [63,75,76]. For instance, a study by Odhiambo et al [77] in an AFS system in Kenya consistently found more soil water in control plots (without trees) than in plots with trees. Furthermore, volumetric soil moisture content was higher with greater distance from the trees.…”
Section: Modification Of Water Fluxesmentioning
confidence: 99%
“…While a number of studies have examined the effectiveness of specific agroforestry practices on intermediary outcomes, such as soil fertility and crop yields, results are mixed (e.g., Odhiambo et al 2001;Otsuki 2010;Sjögren et al 2010;Sileshi et al 2009). The impact of agroforestry on such outcomes is largely dependent on the specific practices introduced, the extent to which they are appropriately implemented, and their interaction with the biophysical and socioeconomic context in question.…”
Section: Introductionmentioning
confidence: 99%