SOIL MICRONUTRIENT CONTENT ANALYSIS AND MAPPING OF AGRICULTURAL SALT-AFFECTED SOILS AROUND ABAYA AND CHAMO LAKES, SOUTH ETHIOPIA RIFT VALLEY

Q3 Agricultural and Biological Sciences Tropical and Subtropical Agroecosystems Pub Date : 2024-07-15 DOI:10.56369/tsaes.5424
Azmera Walche, W. Haile, Alemayehu Kiflu, Dereje Tsegaye
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Abstract

Background. Salt-affected soils cause a significant portion of land to become unproductive yearly; its impact is severe in sub-Saharan African nations, especially the arid and semiarid lowlands, and the Rift Valley regions of Ethiopia are typically host to naturally salt-affected areas. Objective. To analyze the micronutrient content and map the micronutrient fertility status of agricultural salt-affected soils around Abaya and Chamo Lakes South Ethiopia Rift Valley. Methodology. A systematic sampling technique was employed to obtain 300 soil samples for the investigation from two depths (0-20 and 20-40cm), with a 600m sampling interval, of which 30 were used. The research data was analyzed using the application of standardized analytical procedures for soil data and descriptive and geostatistical techniques. Results. According to the study, there is low zinc available in the soil but an ample amount of iron, manganese, and copper. In addition, the study's findings revealed that, whereas the remaining micronutrient regional variability is found at long distances, available iron exhibited a regional variation in soil quality at small distances. Implications. The study suggests applying organic matter for better soil structure, water retention, and nutrient availability.Moreover, the results recommend that soils affected by salt might recover using various materials. Conclusions. In the study areas, zinc fertilizer may still be needed for an optimal yield even though the research area has low amounts of zinc fertilizer. The study concluded with management recommendations to minimize the adverse effects of very high micronutrient content on human health and plant growth.
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南埃塞俄比亚大裂谷阿巴亚湖和查莫湖周围受盐分影响的农业土壤微量营养元素含量分析与绘图
背景。受盐分影响的土壤每年都会导致大量土地丧失生产力;在撒哈拉以南非洲国家,尤其是干旱和半干旱低地,盐分的影响十分严重,埃塞俄比亚的裂谷地区就是典型的天然盐分影响区。目标。分析埃塞俄比亚大裂谷南部阿巴亚湖和查莫湖周围受盐影响的农业土壤的微量营养元素含量,并绘制微量营养元素肥力状况图。方法。采用系统取样技术,从两个深度(0-20 厘米和 20-40 厘米),取样间隔为 600 米,获取 300 个土壤样本进行调查,其中使用了 30 个样本。研究数据采用土壤数据标准化分析程序以及描述性和地质统计技术进行分析。研究结果研究结果表明,土壤中的锌含量较低,但铁、锰和铜含量充足。此外,研究结果表明,虽然其余微量营养元素的区域差异是在远距离上发现的,但可用铁在小距离上表现出土壤质量的区域差异。影响。此外,研究结果还建议,受盐分影响的土壤可以使用各种材料进行恢复。结论。在研究地区,尽管锌肥用量较少,但仍需施用锌肥以获得最佳产量。研究最后提出了一些管理建议,以尽量减少微量元素含量过高对人类健康和植物生长的不利影响。
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来源期刊
Tropical and Subtropical Agroecosystems
Tropical and Subtropical Agroecosystems Agricultural and Biological Sciences-Agricultural and Biological Sciences (miscellaneous)
CiteScore
1.00
自引率
0.00%
发文量
49
审稿时长
24 weeks
期刊介绍: The journal is an international peer-reviewed publication devoted to disseminate original information contributing to the understanding and development of agroecosystems in tropical and subtropical areas. The Journal recognizes the multidisciplinary nature of its scope and encourages the submission of original manuscripts from all of the disciplines involved in this area. Original contributions are welcomed in relation to the study of particular components of the agroecosystems (i.e. plant, animal, soil) as well as the resulting interactions and their relationship/impact on society and environment. The journal does not received manuscripts based solely on economic acpects o food technology.
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