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Supporting climate adaptation in smallholder agriculture

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    Book (series)
    Adapting to high temperatures: evidence on the impacts of sustainable agricultural practices in Uganda 2021
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    Rising temperatures due to climate change pose a significant threat to agricultural systems and the livelihoods of farmers across the globe. Identifying farm management strategies that reduce sensitivity to high temperatures is, therefore, critical for moderating the adverse effects of climate change. In this paper, we use spatially granular climate data merged with four waves of household survey data in Uganda to examine empirically the relationships between high temperatures, agricultural production outcomes, and the adoption (including its duration) of three sustainable agricultural practices (organic fertilizer adoption, banana-coffee intercropping and cereal-legume intercropping). We do this using a fixed-effect model, with instrumental variables to address potential endogeneity issues. Our findings indicate that, while exposure to high temperature does reduce farmers’ crop income, the adoption of these practices can offset the negative impact of high temperatures on such income. Indeed, we show that the benefits of adopting these practices on the total value of crop production increases monotonically astemperatures increase from their long-term averages. Moreover, the number of years a farmer adopts a practice is associated with higher total value of crop production, and this relationship holds across the full distribution of observed high temperature deviations. Taken together, the results suggest that organic fertilizer adoption, banana-coffee intercropping and cereal-legume intercropping are effective options to adapt to rising temperatures in Uganda, and these benefits increase with the duration of adoption. Adaptation policies and programmes must therefore be designed in ways that help farmers overcome initial barriers to adoption of these practices, as well as to support farmers to sustain adoption over time. This may require longer term funding horizons for adaptation programmes, and innovative support mechanisms to incentivize sustained adoption.
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    Booklet
    Climate-Smart Agriculture in Guinea-Bissau 2019
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    The climate smart agriculture (CSA) concept reflects an ambition to improve the integration of agriculture development and climate responsiveness. It aims to achieve food security and broader development goals under a changing climate and increasing food demand. CSA initiatives sustainably increase productivity, enhance resilience, and reduce/remove greenhouse gases (GHGs), and require planning to address trade-offs and synergies between three pillars: productivity, adaptation and mitigation. The priorities of different countries and stakeholders are reflected to achieve more efficient, effective, and equitable food systems that address challenges in environment, social, and economic dimensions across productive landscapes. The country profile provides a snapshot of a developing baseline created to initiate discussion, both within countries and globally, about entry points for investing in CSA at scale. The agricultural sector is the main stay of the economy of Guinea-Bissau. In the absence of other resources, the sector despite being underdeveloped plays a leading role in supporting food security and job creation. Presently it contributes about 46% of national gross domestic product (GDP) with 84% of the population actively employed in primary production agriculture largely dominated by women. The majority of these farmer are small scale farmers farming on less than two hectare (2 ha). More than half (58%) of the total land in Guinea-Bissau is used for agriculture with area under forest heavily degraded by rapid exploitation. However, there are huge potentials for agricultural and forestry land including arable land estimated at about 1.5 million hectares. Farmers engage in the production of diverse crops and livestock such as cashew, rice (country’s staple food), sorghum, maize, etc largely cultivated by subsistence farmers. Women usually take up horticulture in the urban areas. Livestock production concentrated mainly in the north and east of the country is one of the main economic activities supporting food security and thousands of livelihoods. The country is divided into three agroecological zones based on ecological, climatic and demographic characteristics. Agriculture is mainly rainfed with very limited irrigated farming practised. About 82% of water withdrawn is used for agricultural purposes impelling a necessity for huge investments in irrigation to support agriculture production. The projected population growth and food demand is expected to have serious implications on food security with a potential to affect the agricultural sector. Despite the agro-forestry-pastoral potential and fisheries resources of Guinea-Bissau, many studies have shown that, the current food situation in the country is very precarious with poverty identified as the underlining cause. Greenhouse gas (GHG) emission from the agricultural sector has been identified as very high with the country indicating reforestation as the major action for mitigating GHG emissions in its nationally determined contribution (NDC). Some challenges for the agricultural sector identified include (i) growth in population and food demand, (ii) land use change and natural resource depletion, (iii) limited marketing opportunities of agricultural commodities, and (iv) climate change and variability. Guinea-Bissau has a typical hot, humid monsoon-like tropical climate with two well-defined seasons. Agriculture is exposed to the effects of climate change with the country vulnerable to droughts, floods and sea level rise. The projected changes in temperature and rainfall are expected to have substantial impact on water resources which are already limited in their capacity to provide sufficient water for the agriculture sector. CSA technologies and practises present opportunities for addressing climate change challenges as well as for economic growth and development of the agriculture sector. Identified CSA practises in use in the country include (i) use of organic manure, (ii) use of weather information, (iii) water supply through drip irrigation, (iv) anti-erosion arrangement, (v) forage/fodder production, (vi) crop rotation, and (vii) rainwater harvesting through the Zai technique. There are a number of institutions and policies aimed at supporting and increasing agriculture productivity and advancing CSA practises in Guinea-Bissau. These include government, private sector, the national institute for agrarian research and general directorate of rural engineering with each most of the institutions profiles having CSA-related activities that deliver on all three pillars of CSA. The Ministry of environment which serves as the country’s UNFCCC focal point and Nationally Designated Authority to the Green Climate Fund (GCF), Adaptation fund, Climate Investment Fund and Global Environment Facility is responsible for the country’s climate change plans and policies. The food and agriculture organisation of the United Nations, the United Nations development programme and the international union for conservation of nature play instrumental roles in the promotion of sustainable agriculture and environmental sustainability. Most of the climate change and CSA-related funding have come from international sources with the UNDP being of great support through its signature programmes.
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    Article
    Climate-smart agriculture for food security 2014
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    Climate-smart agriculture (CSA) is an approach for transforming and reorienting agricultural systems to support food security under the new realities of climate change. Widespread changes in rainfall and temperature patterns threaten agricultural production and increase the vulnerability of people dependent on agriculture for their livelihoods, which includes most of the world’s poor. Climate change disrupts food markets, posing population-wide risks to food supply. Threats can be reduced by inc reasing adaptive capacity of farmers as well as increasing resilience and resource use efficiency in agricultural production systems. CSA promotes coordinated actions by farmers, researchers, private sector, civil society and policymakers towards climate-resilient pathways through four main action areas: 1) building evidence; 2) increasing local institutional effectiveness; 3) fostering coherence between climate and agricultural policies; and 4) linking climate and agricultural financing. CSA di ffers from “business-as-usual” approaches by emphasizing the capacity to implement flexible, context-specific solutions, supported by innovative policy and financing actions.

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