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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    Agronomic and socioeconomic sustainability of farming systems : A case in Chencha, South Ethiopia
    Dersseh, Waga Mazengia - \ 2017
    Wageningen University. Promotor(en): P.C.. Struik, co-promotor(en): R.P.O. Schulte; D. Griffin. - Wageningen : Wageningen University - ISBN 9789463436830 - 157
    potatoes - solanum tuberosum - ethiopia - food security - farming systems - mixed farming - sustainability - optimization - efficiency - farm surveys - household surveys - socioeconomics - self sufficiency - profits - training - agronomic characteristics - productivity - soil fertility - rotation - animal feeding - improved varieties - inorganic fertilizers - aardappelen - solanum tuberosum - ethiopië - voedselzekerheid - bedrijfssystemen - gemengde landbouw - duurzaamheid (sustainability) - optimalisatie - efficiëntie - bedrijfsonderzoeken - huishoudonderzoeken - sociale economie - zelfvoorziening - winsten - opleiding - agronomische kenmerken - productiviteit - bodemvruchtbaarheid - rotatie - diervoedering - veredelde rassen - anorganische meststoffen

    Potato has multiple benefits and thus can play a vital role in ensuring food security in Ethiopia. However, for diverse reasons, its productivity is low. The farming systems in Ethiopia in which potato is grown, are predominantly mixed farming systems.

    Most of the research in Ethiopia is focused on crop-specific constraints and thus there is limited research in which the interrelations between crop and livestock management practices are investigated. There is also not enough research focused on combined analysis of soil nutrient and animal feed balances and agronomic and socioeconomic efficiencies at farm level.

    This study assessed production constraints and agronomic and socioeconomic sustainability of the farming systems in South Ethiopia and explored the possible synergetic options to alleviate major constraints. More specifically, the study intended to quantify the variation in input and output among farms, to identify constraints hindering expansion of potato production, to evaluate the sustainability of the farming systems at farm level, to identify constraints of sustainable intensification, and to explore synergetic solutions for the major constraints. Different research approaches were used ranging from lab analysis, household surveys, group discussions, to farm surveys.

    Results showed that constraints related to input and product use in potato production vary across households indicating a need for a pluriform advisory model recognizing (and building upon alleviation of) the diversity of constraints identified in this analysis. The sustainability of the farming system is constrained by low agricultural productivity, low soil fertility, poor labour efficiency and limited economic return associated with improper crop rotation, inappropriate soil fertility management practices, shortage of animal feed, labour- and economically inefficient farm practices and labour shortage. However, there is ample scope to overcome the major constraints and simultaneously to optimize farm management.

    The core messages of the study can be summarized as follows:

    1) the current potato production is characterized by low productivity and economic returns due to various socioeconomic, agronomic and biological factors;

    2) the soil fertility is low and there is uneven distribution of nutrients over plots with relatively high fertility levels in the homestead areas;

    3) the current labour shortage can be attributed to mainly inefficiency of agricultural management practices and labour migration to towns for economic reasons indicating that the farming system is not sustainable in terms of labour;

    4) considering the direct return from animal production, most of the farms had very low gross margin with the current management system and this reduced the overall operating profit of farms. The low return from animal rearing was offset by the relatively high profit from crop production indicating the benefit of mixed farming system in sustaining agricultural production; and

    5) each farm can have a wide range of optimized solutions mainly through introduction of improved technologies and subsequent redesigning of the farm managements.

    In general, the findings of the current study indicate that it is worthwhile to assess the sustainability of agricultural production in different farming systems and agro-ecologies of Ethiopia. In addition, the combined effect of introducing improved agricultural technologies and subsequent reconfiguring the farm management is very crucial to increase and sustain agricultural production.

    Environmental degradation and intra-household welfare: the case of the Tanzanian rural South Pare Highlands
    Dimoso, R.L. - \ 2009
    Wageningen University. Promotor(en): Gerrit Antonides. - [S.l. : S.n. - ISBN 9789085852889 - 182
    milieuafbraak - allocatie van arbeid - welvaartseconomie - huishoudonderzoeken - huishoudens - platteland - landbouwhuishoudens - natuurlijke hulpbronnen - man-vrouwrelaties - vrouwen - tanzania - gedrag van huishoudens - environmental degradation - labour allocation - welfare economics - household surveys - households - rural areas - agricultural households - natural resources - gender relations - women - tanzania - household behaviour
    Key words: Environmental degradation, intrahousehold labour allocation, intrahousehold welfare.
    Rural south Pare highlands in Tanzania experience a deteriorating environmental situation. Of particular importance is the disappearance of forests and woodlands. The consequence are declining amounts and reliability of rainfall, declining amounts of water levels and loss of biodiversity. Deterioration of environmental resources increases costs of collecting environmental products, which in many respects have no feasible close substitutes. One of the major components of the increased costs is labour time allocated by household members to collecting environmental products and/or grazing activities.
    This study presents an empirical investigation of the impact of this reallocation of intra-household labour resources on livelihood for different members of a household. We used the cross-sectional data. To analyse how variations in the environmental degradation affect intra-household labour allocation, three types of areas are distinguished: severely-degraded, medium-degraded, and non-degraded environments.
    Our findings show that (1) the environmental products collection and/or grazing activities are gender biased with husbands specializing in grazing while wives and children working mainly on fetching water and fuel wood; and that the labour time allocation is significantly influenced by environmental condition; (2) environmental degradation is limiting the production and consumption potentials in the area and that a limited adoption of agricultural modernization further aggravates this problem; (3) factors like school crowdedness, illness, bad weather, poor school quality, and school absenteeism due to street vending contribute much negatively to the probability of primary school attainment for a child apart from the environmental degradation situation; and that (4) subjective welfare and well-being of the household members are affected by the quality of the environment.
    This study contributes to the understanding of the situation and setting proper measures towards solving the problems of sustainable development, poverty alleviation, environmental policy, human capital formation in south Pare.

    Survival or Accumulation : Migration and rural households in Burkina Faso
    Wouterse, F.S. - \ 2006
    Wageningen : Wageningen UR (Tropical resource management papers no. 79) - ISBN 9789085850618 - 151
    plattelandsontwikkeling - migratie - landbouwhuishoudens - natuurlijke hulpbronnen - onvolledige mededinging - plattelandseconomie - econometrische modellen - huishoudonderzoeken - dorpen - landbouwbedrijven - burkina faso - rural development - migration - agricultural households - natural resources - imperfect competition - rural economy - econometric models - household surveys - villages - farms - burkina faso
    Survival or Accumulation: Migration and rural households in Burkina Faso
    Wouterse, F.S. - \ 2006
    Wageningen University. Promotor(en): Arie Kuyvenhoven, co-promotor(en): Ruerd Ruben. - Wageningen : Wageningen University - ISBN 9789085044246 - 151
    plattelandsontwikkeling - migratie - landbouwhuishoudens - natuurlijke hulpbronnen - onvolledige mededinging - plattelandseconomie - econometrische modellen - huishoudonderzoeken - dorpen - landbouwbedrijven - burkina faso - rural development - migration - agricultural households - natural resources - imperfect competition - rural economy - econometric models - household surveys - villages - farms - burkina faso
    Migration plays an important role in development and as a strategy for poverty reduction. Burkina Faso, a country where conditions for agriculture are far from favourable, has a long history of migratory movement. Migration within West Africa (continental migration) has since long taken place in response to drought and low agricultural productivity. Migration to destinations outside the African continent and in particular to Western Europe (intercontinental migration) has become more important over the last decades for migrants from Burkina Faso. This study provides a quantitative analysis of the determinants and effects of migration for rural households in four villages on the Central Plateau of Burkina Faso. It sheds new light on the migration-remittances-development debate by analysing migration from a whole-household perspective combining determinants and consequences of migration; by including both the production and the consumption side of the rural household economy in an imperfect market environment; and by allowing for heterogeneity in migration through a distinction of two different migratory movements: continental and intercontinental migration. An extended farm household model that includes a migration component forms the basis of the econometric analysis of cross-section data from 223 households. Findings reveal that the two migratory movements are indeed different strategic decisions. Households with intercontinental migrants are able to overcome entry constraints that exist for this more lucrative (in terms of remittances) form of migration because of their wealth. In an imperfect market environment remittances from intercontinental migration help these households to overcome entry constraints existing for other activities and to greatly improve their welfare. Continental migrants appear to be pushed out due to insufficient land and consumption pressure. Loss of labour negatively influences income generated in labour-intensive activities and household welfare only slightly improves due to the migration induced reduction in household size.
    Profit function and household production models : applications on Dutch agriculture
    Peerlings, J. ; Oude Lansink, A. - \ 2000
    Tijdschrift voor sociaalwetenschappelijk onderzoek van de landbouw 15 (2000). - ISSN 0921-481X - p. 21 - 29.
    agrarische economie - winstfunctie - econometrische modellen - wiskundige modellen - huishoudens - landbouwhuishoudens - productiviteit - landbouwproductie - huishoudonderzoeken - familiebedrijven, landbouw - landbouwbeleid - overheidsbeleid - databanken - nederland - agricultural economics - profit functions - econometric models - mathematical models - households - agricultural households - family farms - productivity - agricultural production - household surveys - agricultural policy - government policy - databases - netherlands
    Na een theoretisch kader voor winstfunctiemodellen en voor huishoudproductiemodellen worden met behulp van gegevens uit het Bedrijven-Informatienet beide modellen toegepast teneinde beleid beter op de korte en op de lange termijn op agrarische gezinsbedrijven af te stemmen
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