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On-farm maize storage systems and rodent postharvest losses in six maize growing agro-ecological zones of Kenya

Listed author(s):
  • Kukom Edoh Ognakossan


    (International Centre of Insect Physiology and Ecology
    Jomo Kenyatta University of Agriculture and Technology)

  • Hippolyte D. Affognon

    (International Crops Research Institute for the Semi-Arid Tropics (ICRISAT))

  • Christopher M. Mutungi

    (International Centre of Insect Physiology and Ecology
    Egerton University)

  • Daniel N. Sila

    (Jomo Kenyatta University of Agriculture and Technology)

  • Soul-Kifouly G. Midingoyi

    (International Centre of Insect Physiology and Ecology)

  • Willis O. Owino

    (Jomo Kenyatta University of Agriculture and Technology)

Registered author(s):

    Abstract Rodents are one of the major postharvest pests that affect food security by impacting on both food availability and safety. However, knowledge of the impact of rodents in on-farm maize storage systems in Kenya is limited. A survey was conducted in 2014 to assess magnitudes of postharvest losses in on-farm maize storage systems in Kenya, and the contribution of rodents to the losses. A total of 630 farmers spread across six maize growing agro-ecological zones (AEZs) were interviewed. Insects, rodents and moulds were the main storage problems reported by farmers. Storage losses were highest in the moist transitional and moist mid-altitude zones, and lowest in the dry-transitional zone. Overall, rodents represented the second most important cause of storage losses after insects, and were ranked as the main storage problem in the lowland tropical zone, while insects were the main storage problem in the other AEZs. Where maize was stored on cobs, total farmer perceived (farmer estimation) storage weight losses were 11.1 ± 0.7 %, with rodents causing up to 43 % of these losses. Contrastingly, where maize was stored as shelled grain, the losses were 15.5 ± 0.6 % with rodents accounting for up to 30 %. Regression analysis showed that rodents contributed significantly to total storage losses (p

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    Article provided by Springer & The International Society for Plant Pathology in its journal Food Security.

    Volume (Year): 8 (2016)
    Issue (Month): 6 (December)
    Pages: 1169-1189

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    Handle: RePEc:spr:ssefpa:v:8:y:2016:i:6:d:10.1007_s12571-016-0618-2
    DOI: 10.1007/s12571-016-0618-2
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    1. Kaminski, Jonathan & Christiaensen, Luc, 2014. "Post-harvest loss in Sub-Saharan Africa -- what do farmers say ?," Policy Research Working Paper Series 6831, The World Bank.
    2. Jeremiah Ng’ang’a & Christopher Mutungi & Samuel M. Imathiu & Hippolyte Affognon, 2016. "Low permeability triple-layer plastic bags prevent losses of maize caused by insects in rural on-farm stores," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 8(3), pages 621-633, June.
    3. Martins, Anamaria Gaudencia & Goldsmith, Peter & Moura, Altair, 2014. "Managerial factors affecting post-harvest loss: the case of Mato Grosso Brazil," International Journal of Agricultural Management, Institute of Agricultural Management;International Farm Management Association, vol. 3(4), July.
    4. Powell, James L., 1984. "Least absolute deviations estimation for the censored regression model," Journal of Econometrics, Elsevier, vol. 25(3), pages 303-325, July.
    5. A. Colin Cameron & Pravin K. Trivedi, 2010. "Microeconometrics Using Stata, Revised Edition," Stata Press books, StataCorp LP, number musr, January.
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