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    Production systems, land cover change and soil factors affecting pastur e production in semi1arid Nakasongola

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    Date
    2011
    Author
    Zziwa, E
    Kironchi, G.
    Gachene, C.K.
    . Mugerwa, S
    Mpairwe, D.
    Type
    Article
    Language
    en
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    Abstract
    The current pace of rangeland degradation imparted by appalling land use and management systems is greatly limiting the potential of the soil resource to support pasture production in semi - arid rangeland s of Uganda. Our objectives were to determine the effects of land cover change and production systems on pasture biomass yield and to identify the critical soil factors affecting pasture production in Nakasongola. The area was stratified into three product ion systems and three land cover types from which six pasture and soil samples were collected following a Modified - Whittaker sampling method. Pasture biomass was significantly high (p < 0.0001) under herbaceous cover (2019 kg/ha) compared to woody (1302 kg /ha) and bare which had no pasture biomass. The settled production system had a significantly (p = 0.013) high pasture biomass (1266 kg/ha) compared to non settled (1102 kg/ha) and semi settled systems (953 kg/ha). Biomass yield was more associated with hi gh levels of organic matter (r = 0.91), calcium (r = 0.91), magnesium (0.83), nitrogen (r = 0.77) and base saturation (r = 0.88). It can be concluded that maintaining native vegetation cover of the rangelands and increasing levels of limiting nutrients are the major strategies for increasing pasture production in semi - arid rangelands of Nakasongola
    URI
    http://www.innspub.net/wp-content/uploads/IJAAR-V2No5-p1-12.pdf
    ttp://www.scihub.org/ABJN A
    http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/52120
    Citation
    Zziwa, E., G. Kironchi , C.K. Gachene, S. Mugerwa and D. Mpairwe. 2011. Production systems, land cover change and soil factors affecting pastur e production in semi1arid Nakasongola. Agriculture and Biology Journal of North America . ISSN Print: 215117517, ISSN Online: 21511 7525 © 2011,
    Publisher
    University of Nairobi
     
    Department Of Land Resource Management And Agricultural Technology
     
    Collections
    • Faculty of Agriculture & Veterinary Medicine (FAg / FVM) [5481]

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