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Farm Diversity and Heterogeneous Impacts of System Technologies on Yield, Income and Poverty: The System of Rice Intensification in Timor Leste

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  • Noltze, Martin
  • Schwarze, Stefan
  • Qaim, Matin

Abstract

Natural resource management practices, such as the System of Rice Intensification (SRI), have been proposed to tackle agricultural challenges such as decreasing productivity growth and environmental degradation. Yet, the benefits of system technologies for farmers are often debated. Impacts seem to be context-specific, which is especially relevant in the small farm sector with its large degree of agroecological and socioeconomic heterogeneity. This was not always considered in previous research. We analyze the impacts of SRI adoption on rice yield and household income among smallholder farmers in Timor Leste. Heterogeneity is accounted for in an endogenous switching regression framework. Comparing mean yield and income levels, we find no significant differences between SRI adopters and non-adopters. This is due to negative selection bias; SRI seems to be adopted more on plots and by farmers with less than average yields. Controlling for this bias reveals significant yield and income gains. Poor and non-poor households benefit from SRI adoption; small farms benefit more than larger farms. The results also suggest that SRI may not be beneficial when compared to conventional rice grown under favorable conditions and with best management practices.

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  • Noltze, Martin & Schwarze, Stefan & Qaim, Matin, 2012. "Farm Diversity and Heterogeneous Impacts of System Technologies on Yield, Income and Poverty: The System of Rice Intensification in Timor Leste," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 125595, International Association of Agricultural Economists.
    • Handle: RePEc:ags:iaae12:125595
    DOI: 10.22004/ag.econ.125595
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    2. Alem, Yonas & Eggert, Håkan & Ruhinduka, Remidius, 2015. "Improving Welfare through Climate-friendly Agriculture: The Case of the System of Rice Intensification," Working Papers in Economics 630, University of Gothenburg, Department of Economics.

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    Food Security and Poverty; International Development;

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