Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 44028
Title Dry season water use patterns under Guiera senegalensis L. shrubs in a tropical savanna
Author(s) Gaze, S.R.; Brouwer, J.; Simmonds, L.P.; Bromley, J.
Source Journal of Arid Environments 40 (1998)1. - ISSN 0140-1963 - p. 53 - 67.
DOI https://doi.org/10.1006/jare.1998.0435
Department(s) Agronomy
Publication type Refereed Article in a scientific journal
Publication year 1998
Abstract The extent of rooting and the water use of Guiera senegalensis bushes at a fallow savanna site in south-west Niger were investigated. Low root length densities were found up to the maximum sampling distance (8 m horizontally and 2 m vertically) from the base of the bushes. Changes in soil water content of the soil profile were monitored using a neutron probe at seven locations over a 20 m transect between two G. senegalensis bushes. During the 1993/94 dry season, a progressive drying front was observed moving away from a G. senegalensis bush both horizontally (up to 10 m) and vertically (up to 4 m). Mean water loss from the top 4 m of the soil profile over the 8-month dry season was 151 mm. This was attributed to water use by G. senegalensis, and comprised 28% of the 1993 total annual rainfall. Clearing fallow savanna land for millet production will result in increased deep drainage partly through reduced dry season water use by the deep rooted bushes.
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