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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 7475.
  1. Library Resource
    Enero, 2023

    To prevent climate change from reaching an irreversible point, policies need to align with global mitigation goals. This thesis examines the coherence between agricultural public policies, greenhouse gas emissions, and the economic value generated by various agricultural value chains. It aims to determine the extent to which policy transfers align with greenhouse gas emissions levels in Colombia. The analysis utilizes secondary data from 1992 to 2018, including information on emissions, agricultural policy transfers, production value, and productivity of key agricultural commodities.

  2. Library Resource
    Enero, 2023

    In this paper we revisit the current debate between red meat vs. alternative protein and explore the respective contribution that those two polarized discourses claim to make in relation to the new international agenda on transforming food systems toward a more sustainable future. To complete this, we combine classical political economy analysis focusing on the access and distribution of power and economic resources amongst different groups of actors, with a more sociological approach relying on discourses analysis.

  3. Library Resource
    Enero, 2023

    Enset is a staple crop of the southern Ethiopian highlands. Small-holder farmers cultivate enset as part of mixed subsistence farming systems, in which enset provides substantial food security services. While its cultivation is unique to this region, enset production systems take on many forms, varying with environmental and agronomic conditions, crop diversity and (co-)staples produced, the importance of enset for the household, and socio-economic and cultural differences.

  4. Library Resource
    Enero, 2023

    Irrigation is an important mechanism to mitigate risks associated with the variability in rainfall for the smallholder subsistence farming system. This study analyzed how practicing small-scale irrigation (SSI) impacts the key livelihood assets on farm households’ human, physical, natural, financial, and social capitals in Ethiopia’s upper Awash sub-basin. The household-level survey data, collected from the 396 sample households, was used to carry out the current study. A Propensity Score Matching (PSM) analytical model was applied to match the SSI user and nonuser groups.

  5. Library Resource
    Enero, 2023

    Digital technologies are promoted as transformational for smallholders in Africa through the potential to enhance access to knowledge, increase productivity and food security. Despite the anticipations for agricultural digitalization in Africa, smallholders' engagement with digitalization is empirically underexplored. Hence, we surveyed 1565 rural farmers in Northern Ghana to explore how farmers interact with digital tools and services, and the variations in their engagements.

  6. Library Resource
    Enero, 2023

    Maize production in western Kenya is limited by the spread of parasitic weed Striga hermonthica and depletion of soil nutrient stocks. Nitrogen (N) fertilizer and imidazolinone resistant (IR) maize are key elements in the agronomic toolbox to control infestations and enhance yields
    Research question

  7. Library Resource
    Enero, 2023

    Land-use-change-induced increases in shallow groundwater levels across parts of the Sahel in recent years have coincided with expanded use of groundwater for irrigation. This study was conducted to assess the potential linkages and livelihood implications based on a field survey of nine villages building on previous hydrological studies. The results show that irrigators lack effective means of production and mostly rely on manual methods. Borehole usage is more profitable and reliable than shallower wells.

  8. Library Resource
    Enero, 2023

    Abiotic factors play an important role in most ecological and crop systems that depend on
    certain levels of temperature, light and precipitation to initiate important physiological events
    (Schulze et al., 2019). Understanding how these factors drive the physiological processes is
    a key approach to provide recommendations for adaptation and biodiversity conservation in
    applied ecology studies. The package climatrends aims to provide the methods in R (R Core
    Team, 2020) to compute precipitation and temperature indices that serve as input for climate

  9. Library Resource
    Enero, 2023

    In this brief, we present AICCRA Zambia's scaling vision. Our scaling strategy employs a number of interconnected and mutually reinforcing channels. These include public and private sector scaling partnerships, individual and collective investments, financing mechanism for SMEs, institutional capacity building and multistakeholder dialogues (Figure 2). AICCRA works with Zambian partners to scale actionable climate smart agriculture (CSA) and climate information services (CIS) innovation bundles that contribute to smallholder farmers’ water and food security and build resilience.

  10. Library Resource
    Enero, 2023

    Taro (Colocasia esculenta) is a widely grown vegetatively propagated food crop in the Benin Republic. The taro leaf blight (TLB) epidemic in 2009, caused by Phytophthora colocasiae, has destroyed taro production and wiped out many taro landraces in West Africa. A survey was conducted in the southern region of Benin to assess the status of taro and TLB, ethnobotany, farmers' perceptions of taro, and identify production constraints.

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