This study examined the productivity determinants of potato in Nigeria. The data for this study were extracted from secondary sources for a period of 1961-2016. The Autoregressive Distributed Lag (ARDL) model was adopted. The findings revealed that variables such as capital, land, fertilizer and prices were significant both in the long-run and short-run while rainfall and temperature were insignificant in the short-run. The study recommends among others that access to capital by the potato farmers should be increased by making more capital available for loans and grants at a reduced interest rate and that the land tenure system in operation should be made flexible to enable potato farmers access more land to enable mechanization and increased output.
Coffee is a strategic cash crop for poverty reduction and economic growth in Nigeria, and it is consumed worldwide, making it a significant source of income at both the micro and macro levels. This study analysed the trends in ' 'Nigeria's coffee output and the short and long-run determinants of coffee output in Nigeria. A period of 38 years was considered and the data were sourced from the Food and Agriculture Organization, the World Bank and the International Coffee Organization. The linear trend and the Autoregressive Distributed Lag Model were instrumental in the data analysis. The trend analysis reveals that coffee output is decreasing, necessitating immediate action. Fertiliser use and land availability for farmers require extra attention in the short run because they are significant and had a positive impact on coffee output. In the long-run climate change, producer price and fertiliser use negatively impact the coffee farmers' output. The need to make land easily accessible to coffee farmers by amending land use regulations to ensure the conservation and expansion of farmlands is one of the most notable recommendations of this study.
This study analyzed the profitability of ginger value addition in Abia State, Nigeria. This study identified the ginger value-added products common in the area, the cost implications of the value addition process, and the socio-economic and farm-specific factors affecting ginger value addition. A stratified random sampling technique was used to select 60 (sixty) respondents and a well-structured questionnaire was used to collect the necessary data. The results revealed that the value ginger products were dried ginger, salted ginger, ginger flakes, ginger oil, and ginger paste. The factors affecting the profitability of ginger value addition from the linear regression model shows that education, income, capital, and collateral were significant. It is, therefore, recommended that youth and entrepreneurs should invest in ginger value addition as it is profitable and it is a sure way to economic empowerment and fight against hunger.
The study analyzed the macroeconomic and climatic determinants of ginger productivity in Nigeria from 1961-2016. The Malmquist productivity index was used to estimate the productivity of ginger while Auto Regressive Distributed Lag Model was used to estimate the long-run and short-run determinants of ginger productivity. The results reveal that the productivity of ginger has been experiencing a marginal increase over the period studied. Temperature and rainfall had a long run negative and positive impact respectively on ginger production showing the strong influence of climate change. Capital had both positive and negative impacts on the productivity of ginger in the long run and short run. It is therefore recommended that the availability and accessibility of capital are very essential for the increased production of ginger in Nigeria and there should be efforts to manage the impact of climate change through the availability of irrigation facilities. ÖZET Çalışma, 1961-2016 yılları arasında Nijerya'daki zencefil üretkenliğinin makroekonomik ve iklimsel belirleyicilerini analiz etmektedir. Zencefil verimliliğini tahmin etmek için Malmquist verimlilik endeksi kullanılmış iken, zencefil üretkenliğinin uzun dönem ve kısa vadeli belirleyicilerini hesaplamak için ise Otoregresif Dağıtık Gecikme Modeli kullanılmıştır. Sonuçlar zencefil üretkenliğinin incelenen sürede marjinal bir artış yaşadığını ortaya koymaktadır. Sıcaklık ve yağış, iklim değişikliğinin güçlü etkisini gösteren zencefil üretiminde uzun vadede sırasıyla olumsuz ve olumlu bir etki yaratmıştır. Bu nedenle, Nijerya'da zencefil üretiminin artması için sermaye sağlanması, sulama tesislerinin bulunması yoluyla iklim değişikliğinin etkisinin yönetilmesi için çaba gösterilmesi gerekmektedir. 1. INTRODUCTION Ginger is an important tuber crop apart from its nutritional and medicinal benefits it is an economic crop that can contribute meaningfully to the economic growth and development of Nigeria. Ginger (Zingiber Officinale Roscoe) is a crop mostly grown in northern Nigeria with Kaduna State as the chief producer (Ayodele & Sambo, 2014). Other parts of Nigeria known for the production include Benue, Bauchi, Gombe, the Nassarawa States among other states. Ginger is readily
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