Climate is one of the most important factors in agricultural productivity, which could directly or indirectly influence productivity since the climate is linked to physiological processes. It is, therefore, essential to understanding the various strategies used by farmers to mitigate the adverse impact of climate change and the factors that influence maize farmers' adoption and intensity of climate change adaptation strategies among smallholder maize farmers in South-west Nigeria. In all, a sample of three hundred and thirty (311) smallholder maize farmers were interviewed. A double-hurdle count data model was employed to estimate the factors influencing farmers' adoption of adaptation strategies while accounting for selection bias with the plugging of inverse mill ratio (IMR) as a regressor. Significant variables such as household size, depreciation ratio, frequency of extension visits, access to extension, and non-farm income were factors influencing the adoption of climate change adaptation strategies among maize farmers. Age of the respondent, age square, household size, farm-based organization (FBO), non-farm income, climate information, access to credit, farmers residing in Osun State (location_Osun), distance to market significantly influenced the intensity of climate change adaptation strategies. This study, therefore, concluded that farm-level policy efforts that aim to improve rural development should focus on farmers’ membership in FBO, increase the visits of extension agents, encourage non-farm income and access to climate change information, particularly during the off-cropping season. Policies and investment strategies of the government should be geared towards supporting improved extension service, providing on-farm demonstration training, and disseminating information about climate change adaptation strategies, particularly for smallholder farmers in Nigeria.
Providing economic opportunities for youth in agriculture is essential to securing the future of agriculture in Africa, addressing poverty, unemployment, and inequality. However, barriers limit youth participation in agriculture and the broader food system. This scoping review aimed to investigate the opportunities and challenges for youth in participating in agriculture and the food system in Africa. This review conducted a scoping review using the PRISMA guideline. Published studies were retrieved from online databases (Web of Science, Cab Direct, and Science Direct) for 2009 to 2019. The findings showed that existing agricultural interventions are production-centric and provide low-income earnings and inadequate social protection. We also found that the youth have pessimistic perceptions about agriculture’s capability of improving their living standards. This could be ascribed to the minimal youth involvement in agricultural activities and the youth’s shared understanding of the agricultural sector’s contribution to general economic growth. From a policy perspective, the literature revealed that current agricultural development programs do not adequately address structural issues underpinning youth participation in the economy. Therefore, to enhance the involvement of youths in agriculture, there is a need for policy implementation in the area of integrated agricultural-based interventions that are context-specific and promote meaningful youth participation in shaping future food systems.
A bibliometric and network analysis was performed to explore global research publication trends and to investigate relevant policy recommendations in the field of sustainability of natural resources, system dynamics, and systems thinking, to solve water resources issues and enhance water resource management. Overall, 1674 academic research articles data were generated from the Web of Science and Scopus databases, from 1981 to 2019. The findings of this study revealed that system dynamics and systems thinking research has significantly increased over the last decade (from 40 to 250 articles). Countries such as the USA (20%), China (18%), the United Kingdom (5%), Canada, Iran, Australia, and India (4% each) have the most publications and strongest collaborative networks. Sterman (2000) and Forrester (1961) had the most co-cited research while Zhang X had the highest citations, respectively. Results also showed that system theory which includes systems thinking and system dynamics were the most used keywords. The Journal of Cleaner Production was found to have published the highest number of systems thinking and system dynamics related studies, perhaps due to scope relevance. Despite the exponential rise in natural resource sustainability research globally, the result of this study shows that developing countries especially in Africa have low numbers of research publications in the field. Thus, the result of this study serves as a signal for policymakers to increase attention on research publications that could enhance natural resource sustainability, particularly in less developed countries in Africa where the application of systems thinking to natural resource management is limited.
3The livestock sector is the largest agricultural-sub sector in South Africa contributing 4 approximately 30% to the agricultural output. The aim of this research is to measure the profit 5 efficiency of smallholder sheep farmers and to identify the factors affecting profit efficiency of the 6 farmer, in order to propose better strategies for sustainable livestock production among 7 smallholder farmers in the Free State. A stochastic profit frontier approach was used to evaluate 8 the profitability and efficiency of 217 smallholders in the N8 development corridor Free State, 9 South Africa. The results found that the farmers are not efficiency and have great capacity to 10 improve profitability in sheep production. The result showed that Profit efficiencies of the farmers 11 varied between 15.5% and 80.4% with a mean of 65.1% implying that an estimated 34.9% of the 12 profit is lost due to a combination of economic and allocative inefficiencies in sheep production. 13 The study found that profit efficiency is positively influenced by level of education and household 14 size (members below 18 years old) while gender and sheep loss increase profit inefficiency. Profit 15 efficiency of the farmers can be significantly increased through effective education and training of 16 farmers. 17 18
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