Sustainable Use of Soil and Water Conservation Technologies and Its Determinants: The Case of the Handosha Watershed, Omo-Gibe River Basin, Ethiopia

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Habtamu Dagne, E. Assefa, E. Teferi
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引用次数: 0

Abstract

For the past forty years, Ethiopia has been promoting sustainable land management activities to enhance agricultural productivity. This study was intended to identify the factors determining farmers’ adoption and continued use of soil bund measures in the Handosha watershed, Omo-Gibe river basin. A multistage sampling technique was used to select 340 households using the Heckman sample selection model. A total of 235 (69.12%) households adopted soil bunds, but only 89 (37.87%) of them were sustainably practicing soil bunds on their farm plots. Most adopters widely practiced soil bunds (49.42%), followed by stone bund (15.9%), and Fanyajuu (10%). The empirical results of the Heckman sample selection model showed that the farming experience, land tenure security, and perception of profitability of conservation measures were significantly positively affected the adoption of soil bund. Whereas, farm plot size and participation in off farm activities significantly negatively influenced the adoption of soil bund. Sustainable use of soil bund measures were significantly positively influenced by land tenure security, family size, and frequency of extension contact, whereas the distance between farm plots and home, and farm plot size were negatively affected. As a result, a design of agro-ecological-based soil and water conservation (SWC) measures was essential in reducing farmland vulnerability to soil erosion and food insecurity. It has been concluded that conservation practices should not only focus on the implementation and biophysical factors but also consider the socioeconomic interests of the farmers to improve the sustainable use of conservation technologies.
水土保持技术的可持续利用及其决定因素:以埃塞俄比亚Omo-Gibe河流域Handosha流域为例
过去四十年来,埃塞俄比亚一直在促进可持续土地管理活动,以提高农业生产力。本研究旨在找出影响Omo-Gibe河流域汉都沙流域农民采取和持续使用土壤堤防措施的因素。采用多阶段抽样技术,采用Heckman样本选择模型对340户家庭进行抽样。共有235户(69.12%)采用了带状土壤,但仅有89户(37.87%)在其地块上实现了土壤的可持续利用。采用者多采用土带(49.42%),其次是石带(15.9%)和花崖菊(10%)。Heckman样本选择模型的实证结果表明,农业经验、土地权属保障和保护措施的盈利能力感知显著正向影响土壤保护措施的采用。耕地面积和参与农外活动显著负向影响土壤固结的采用。土地权属安全、家庭规模和推广接触频率对土壤保护措施的可持续利用有显著的正向影响,而田块与家庭的距离和田块规模则有负向影响。因此,设计以农业生态为基础的水土保持措施对于减少农田对土壤侵蚀和粮食不安全的脆弱性至关重要。研究结果表明,保护措施不仅要注重实施和生物物理因素,而且要考虑农民的社会经济利益,以提高保护技术的可持续利用。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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