Project – Climate Change Adaptation and Agricultural Sustainability Among Smallholder Farmers in Benue State, Nigeria: A Study of Makurdi Local Government Area
CHAPTER ONE
INTRODUCTION
1.1 Background to the Study
Climate change has emerged as one of the most pressing global environmental and developmental challenges of the twenty-first century, with profound implications for food security, livelihoods, biodiversity, water resources, and sustainable agricultural development. The Intergovernmental Panel on Climate Change (IPCC) defines climate change as long-term alterations in temperature, precipitation, and weather patterns resulting from both natural variability and human activities, particularly greenhouse gas emissions from fossil fuel combustion, deforestation, industrialization, and unsustainable land-use practices (IPCC, 2023). The impacts of climate change are increasingly evident across the world through rising temperatures, erratic rainfall, prolonged droughts, frequent flooding, heatwaves, and changing agricultural seasons, all of which threaten agricultural productivity and rural livelihoods.
Agriculture remains one of the sectors most vulnerable to climate variability because crop and livestock production depend heavily on climatic conditions such as rainfall, temperature, soil moisture, humidity, and seasonal stability. Unlike manufacturing and service industries, agricultural production is directly influenced by weather conditions, making farmers particularly susceptible to climate-induced risks. According to the Food and Agriculture Organization (FAO, 2023), climate change threatens global food production through declining crop yields, increasing pest and disease outbreaks, reduced water availability, soil degradation, and declining biodiversity. These challenges have become more severe in developing countries where agriculture is predominantly rain-fed and where farmers possess limited adaptive capacities.
Globally, agriculture supports the livelihoods of approximately 2.5 billion people, with smallholder farmers accounting for nearly one-third of the world’s food production despite cultivating relatively small parcels of land (FAO, 2021). Smallholder farmers play a crucial role in ensuring food security, poverty reduction, rural employment, and economic development. However, these farmers are among the most vulnerable populations to climate change because they often depend on rainfall, have limited financial resources, lack access to modern agricultural technologies, and face constraints in accessing climate information, credit facilities, irrigation infrastructure, and agricultural insurance.
The concept of agricultural sustainability has become increasingly important in discussions concerning climate change and rural development. Agricultural sustainability refers to farming systems capable of maintaining productivity, conserving natural resources, protecting environmental quality, ensuring economic viability, and promoting social well-being for present and future generations (Pretty, 2018). Sustainable agriculture balances increased food production with environmental conservation by encouraging efficient resource use, soil fertility management, biodiversity conservation, climate-smart farming practices, and resilience to environmental shocks.
Climate change poses a serious threat to agricultural sustainability because it affects all components of agricultural production systems. Rising temperatures reduce crop growth periods and increase evapotranspiration, thereby lowering soil moisture and increasing irrigation requirements. Changes in rainfall distribution contribute to delayed planting seasons, shortened growing periods, and increased incidences of drought and flooding. Furthermore, changing climatic conditions facilitate the spread of crop pests, invasive weeds, and livestock diseases that further reduce agricultural productivity (IPCC, 2023).
The increasing frequency of climate-related disasters has heightened global concern regarding adaptation as an essential strategy for sustaining agricultural production. Climate change adaptation refers to adjustments in ecological, social, economic, and agricultural systems in response to actual or expected climatic changes and their impacts, with the objective of reducing vulnerability and enhancing resilience (IPCC, 2023). Unlike mitigation, which seeks to reduce greenhouse gas emissions, adaptation focuses on enabling individuals, communities, and institutions to cope effectively with changing climatic conditions.
Among farming communities, adaptation involves adopting practices that reduce climate-related risks while improving agricultural productivity and livelihood resilience. Such adaptation strategies include changing planting dates, adopting drought-resistant crop varieties, practising mixed cropping, crop rotation, irrigation farming, agroforestry, conservation agriculture, mulching, integrated soil fertility management, water harvesting, livestock diversification, and climate information utilisation (FAO, 2023). These practices not only reduce farmers’ vulnerability to climate shocks but also contribute to long-term agricultural sustainability.
The concept of climate-smart agriculture has gained international recognition as an integrated approach for addressing climate change within agricultural systems. According to the FAO (2021), climate-smart agriculture aims to increase agricultural productivity, strengthen resilience to climate change, and reduce greenhouse gas emissions where possible. Climate-smart agricultural practices combine technological innovation, environmental conservation, institutional support, and farmer knowledge to improve sustainable agricultural outcomes. Consequently, many governments and development agencies now promote climate-smart agriculture as an essential component of rural development policies.
Africa is widely recognised as one of the continents most vulnerable to climate change despite contributing relatively little to global greenhouse gas emissions. The IPCC (2023) notes that rising temperatures across Africa exceed the global average in many regions, while rainfall variability continues to increase. Agriculture, which contributes significantly to employment and economic development across Africa, is particularly exposed because approximately 95% of agricultural production remains dependent on rainfall (World Bank, 2021). Consequently, climate variability has intensified food insecurity, reduced rural incomes, increased poverty, and weakened livelihood resilience across many African countries.
Sub-Saharan Africa faces unique adaptation challenges because of widespread poverty, weak institutional capacity, inadequate rural infrastructure, low technological development, limited access to agricultural extension services, and insufficient climate financing. Smallholder farmers frequently lack the financial resources necessary to adopt improved agricultural technologies or invest in irrigation facilities, mechanisation, and climate-resilient farming systems. Consequently, climatic shocks often translate directly into declining agricultural productivity and increased household vulnerability (Morton, 2007).
Nigeria possesses enormous agricultural potential due to its diverse ecological zones, fertile soils, and large farming population. Agriculture contributes substantially to national employment, food production, rural livelihoods, and non-oil economic growth. According to the National Bureau of Statistics (2024), agriculture remains one of Nigeria’s largest employers, engaging more than one-third of the labour force while contributing significantly to the country’s Gross Domestic Product. The sector is dominated by smallholder farmers cultivating less than five hectares of land using predominantly traditional farming methods.
Despite its importance, Nigerian agriculture faces increasing threats from climate change. Rising temperatures, unpredictable rainfall, flooding, desertification, erosion, declining soil fertility, and pest infestations continue to reduce agricultural productivity across different ecological zones. These climatic challenges have affected crop yields, livestock production, fisheries, and household food security. The Federal Ministry of Environment (2021) recognises climate change as a major obstacle to achieving sustainable agricultural development and national food security.
In recent decades, Nigeria has experienced several climate-related events that have significantly disrupted agricultural production. Severe flooding episodes in 2012, 2018, 2022, and subsequent years affected millions of hectares of farmland, displaced farming communities, destroyed crops, and reduced food availability in many states. Similarly, prolonged dry spells and delayed rainfall onset have altered traditional farming calendars, making agricultural planning increasingly uncertain (NiMET, 2024).
Benue State occupies a strategic position within Nigeria’s agricultural economy and is commonly referred to as the “Food Basket of the Nation” because of its substantial production of yam, cassava, maize, rice, soybean, sesame, millet, sorghum, vegetables, citrus fruits, and other food crops. Agriculture constitutes the principal source of livelihood for the majority of households within the state, with smallholder farmers dominating agricultural production. The state’s fertile alluvial soils and favourable climatic conditions have historically supported high agricultural productivity and contributed significantly to national food supply.
However, climate variability has increasingly threatened agricultural production across Benue State. Farmers have reported delayed rainfall onset, shorter growing seasons, flooding, rising temperatures, declining soil fertility, increased weed infestation, and unpredictable weather patterns that negatively affect crop production (Aondona et al., 2022). Seasonal flooding along the River Benue has become more frequent, destroying farmlands, washing away crops, damaging rural infrastructure, and disrupting farming activities. These developments have heightened concerns regarding agricultural sustainability within the state.
Makurdi Local Government Area, which serves as the capital of Benue State, is particularly vulnerable to climate-related agricultural risks because of its geographical location along the River Benue. While the river provides opportunities for irrigation farming, it also exposes surrounding farming communities to recurrent flooding during periods of heavy rainfall. In addition, increasing temperature variability and changing rainfall patterns have affected planting schedules, crop growth, harvesting periods, and overall farm productivity. Consequently, smallholder farmers within Makurdi must continually adjust their farming practices to cope with changing climatic conditions.
Smallholder farmers in Makurdi employ various adaptation strategies to minimise climate-related losses. These include early planting, delayed planting depending on rainfall forecasts, cultivation of early-maturing crop varieties, crop diversification, mixed farming, agroforestry, mulching, application of organic manure, use of improved seeds, irrigation farming during dry seasons, and participation in farmer cooperatives. Nevertheless, the effectiveness of these adaptation measures varies considerably depending on farmers’ socioeconomic characteristics, educational attainment, access to extension services, land tenure security, financial resources, climate information availability, and institutional support (Okpe & Aye, 2015).
Access to agricultural extension services plays a particularly important role in promoting climate change adaptation. Extension officers provide farmers with information regarding improved farming practices, climate forecasts, pest management, soil conservation techniques, irrigation methods, and technological innovations capable of improving agricultural resilience. However, several studies indicate that extension service coverage remains inadequate in many rural communities due to insufficient funding, inadequate personnel, poor transportation facilities, and weak institutional coordination (Abaje et al., 2020).
The availability of climate information also significantly influences farmers’ adaptive capacity. Reliable weather forecasts, seasonal rainfall predictions, early warning systems, and agricultural advisories enable farmers to make informed decisions regarding planting dates, crop selection, irrigation scheduling, fertiliser application, and harvesting periods. Unfortunately, many smallholder farmers in Nigeria continue to experience limited access to timely and understandable climate information, thereby reducing the effectiveness of adaptation planning (NiMET, 2024).
Financial constraints further limit climate adaptation among smallholder farmers. Many adaptation technologies—including irrigation equipment, improved seeds, mechanisation, water harvesting facilities, and climate-resilient infrastructure—require financial investments that exceed the capacity of resource-poor farmers. Limited access to agricultural credit, insurance schemes, and government support programmes therefore constrains the adoption of sustainable climate adaptation practices.
Government policies increasingly recognise the importance of climate adaptation for achieving sustainable agricultural development. Nigeria’s National Climate Change Policy, National Adaptation Plan Framework, National Agricultural Technology and Innovation Policy, and Climate Change Act 2021 all emphasise strengthening climate resilience within the agricultural sector through research, extension services, climate information dissemination, sustainable land management, irrigation development, and institutional collaboration (Federal Ministry of Environment, 2021). However, implementation challenges continue to limit the effectiveness of these policy interventions at the local level.
Although numerous studies have examined climate change and agricultural production in Nigeria, relatively fewer investigations have specifically explored how adaptation practices contribute to agricultural sustainability among smallholder farmers within Makurdi Local Government Area of Benue State. Existing studies often focus on farmers’ perceptions of climate change, vulnerability assessments, or adaptation practices without comprehensively examining the relationship between climate change adaptation and the long-term sustainability of agricultural production. Moreover, changing climatic conditions, evolving government interventions, and emerging climate-smart agricultural innovations necessitate updated empirical evidence to inform policy and practice.
Against this background, this study seeks to examine the relationship between climate change adaptation and agricultural sustainability among smallholder farmers in Makurdi Local Government Area of Benue State. Specifically, the study intends to assess the adaptation strategies adopted by farmers, determine their influence on agricultural sustainability, identify factors influencing adaptation decisions, examine the challenges limiting effective adaptation, and provide evidence-based recommendations for strengthening climate resilience and sustainable agricultural development within the study area.
Project – Climate Change Adaptation and Agricultural Sustainability Among Smallholder Farmers in Benue State, Nigeria: A Study of Makurdi Local Government Area
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