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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    Impact of the productive safety net program on farmers' investments in sustainable land management in the Central Rift Valley of Ethiopia
    Adimassu, Zenebe ; Kessler, Aad - \ 2015
    Environmental Development 16 (2015). - ISSN 2211-4645 - p. 54 - 62.
    Central Rift Valley - Food security - Productive Safety Net - Propensity score matching - Sustainable land management

    This study assesses the impact of the Productive Safety Net Program (PSNP) on farmers' investments in sustainable land management (SLM) practices in the Central Rift Valley (CRV) of Ethiopia. Primary data were collected using a structured and pre-tested questionnaire for a sample of 159 households (82 PSNP participants and 77 non-participants) in four kebeles (the lowest administrative unit in Ethiopia) of two weredas (districts). Using a cross-sectional household survey, propensity score matching (PSM) was used to assess the impact of PSNP on households' investments in soil erosion control and soil fertility management. The PSM results show that the control group of households (non-participants in PSNP) invested more in soil erosion control measures as compared to the treated group of households (participants in PSNP). On the contrary, however, the treated group of households significantly invested more in soil fertility management practices (e.g. inorganic fertilizer and compost) as compared to the control group of households. The negative impact of PSNP on households' investments in soil erosion control in the treated group of farmers is related to their high labor investment in public works, which is not the case for the non-participants in PSNP. This implies that PSNP should pay more attention to capacity building and awareness raising, which requires a restructuring of the program that would benefit long-term and more sustainable impact on reducing food insecurity and enhancing natural resources in the CRV of Ethiopia.

    Farmers' Perceptions of Land Degradation and their Investments in Land Management: a Case Study in the Cental Rift Valley of Ethiopia
    Adimassu, Zenebe ; Kessler, A. ; Yirga, C. - \ 2013
    Environmental Management 51 (2013)5. - ISSN 0364-152X - p. 989 - 998.
    soil fertility management - conservation practices - nutrient balances - tenure security - south wello - highlands - adoption - smallholders - erosion - area
    To combat land degradation in the Central Rift Valley (CRV) of Ethiopia, farmers are of crucial importance. If farmers perceive land degradation as a problem, the chance that they invest in land management measures will be enhanced. This study presents farmers’ perceptions of land degradation and their investments in land management, and to what extent the latter are influenced by these perceptions. Water erosion and fertility depletion are taken as main indicators of land degradation, and the results show that farmers perceive an increase in both indicators over the last decade. They are aware of it and consider it as a problem. Nevertheless, farmers’ investments to control water erosion and soil fertility depletion are very limited in the CRV. Results also show that farmers’ awareness of both water erosion and soil fertility decline as a problem is not significantly associated with their investments in land management. Hence, even farmers who perceive land degradation on their fields and are concerned about its increase over the last decade do not significantly invest more in water erosion and soil fertility control measures than farmers who do not perceive these phenomena. Further research is needed to assess which other factors might influence farmers’ investments in land management, especially factors related to socioeconomic characteristics of farm households and plot characteristics which were not addressed by this study.
    Co-investments in land management: lessons from the Galessa watershed in Ethiopia
    Adimassu, Zenebe ; Kessler, A. ; Stroosnijder, L. - \ 2013
    International Journal of Sustainable Development and World Ecology 20 (2013)6. - ISSN 1350-4509 - p. 532 - 541.
    grass-roots - soil conservation - degradation - highlands - adoption - systems - benefits - africa
    The use of co-investment activities to motivate farmers to carry out sustainable land management is increasingly recognized. Several co-investment efforts have been implemented to combat land degradation and increase agricultural production in the Ethiopian highlands. Nevertheless, these co-investment activities have not been documented. Moreover, the impacts of these activities have not been evaluated. This study presents a co-investment initiative for sustainable land management in the Galessa watershed in Ethiopia. It documents successful co-investment activities that trigger farmers to carry out land management practices, and assesses the impact of these activities on farmers’ land management investments. The most important co-investment activities that trigger farmers to invest in land management are co-investments in awareness creation, water provision, technology, and governance. Of these activities, co-investing in water provision is most successful, because it directly solves one of the basic needs of farmers in the watershed. Results reveal that the experimental group of farmers (participants in the co-investment initiative) – compared to the control group (nonparticipants) – invested significantly more in land management practices such as soil bunds, composting, and tree planting. This article concludes that use of multiple co-investment activities are crucial to trigger farmers to invest in land management in Ethiopia.
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