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Dairy-Banana Integration and Organic Fertilizer Use in Uganda

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  • Takashi Yamano

    (National Graduate Institute for Policy Studies)

Abstract

An intensive dairy and crop farming system found in the East African highlands provides manure and urine, taken from stalls of improved dairy cattle, for crops such as banana. By using panel data of 894 rural households in 2003 and 2005 in Uganda, we find that the number of improved cattle per ha increases the organic fertilizer application on banana plots by 218 kilograms per ha. We also find that banana farmers applied more organic fertilizer on less fertile soils. Regarding banana yield, we find that one ton of the organic fertilizer per ha increases the banana yield by 10 percent, and a one percentage point increase in the soil organic matter (SOM) increases the banana yield by 7 percent. Because the organic fertilizer application improves the SOM in the long-run, it has a long-term impact on the banana yield. The intensive dairy and banana cropping system is an appropriate farming system in Uganda where soil degradation is severe and mineral fertilizer is expensive.

Suggested Citation

  • Takashi Yamano, 2008. "Dairy-Banana Integration and Organic Fertilizer Use in Uganda," GRIPS Discussion Papers 08-03, National Graduate Institute for Policy Studies.
    • Handle: RePEc:ngi:dpaper:08-03
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    References listed on IDEAS

    as
    1. Gabre-Madhin, Eleni Z. & Haggblade, Steven, 2003. "Successes in African agriculture," MSSD discussion papers 53, International Food Policy Research Institute (IFPRI).
    2. Gabre-Madhin, Eleni Z. & Haggblade, Steven, 2004. "Successes in African Agriculture: Results of an Expert Survey," World Development, Elsevier, vol. 32(5), pages 745-766, May.
    3. Smale, Melinda & Tushemereirwe, Wilbeforce K., 2007. "An economic assessment of banana genetic improvement and innovation in the Lake Victoria Region of Uganda and Tanzania:," Research reports 155, International Food Policy Research Institute (IFPRI).
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    Cited by:

    1. Yamano, Takashi & Kijima, Yoko, 2010. "The associations of soil fertility and market access with household income: Evidence from rural Uganda," Food Policy, Elsevier, vol. 35(1), pages 51-59, February.

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    More about this item

    Keywords

    Organic Fertilizer; Improved Cattle; Banana; Uganda;
    All these keywords.

    JEL classification:

    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
    • R23 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Household Analysis - - - Regional Migration; Regional Labor Markets; Population
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply

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