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All Journal International Journal on Food, Agriculture and Natural Resources (IJFANRES)
ashebir, merse mengesha
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Agriculture, Biological Sciences & Forestry

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Characterization and Classifications of Saline/Sodic Soils of Ambo Area of Irrigated Farm Land in Golina Watershed in Raya Valley, Amhara Region, Ethiopia ashebir, merse mengesha; W, Lemma; T, Solomon
International Journal on Food, Agriculture and Natural Resources Vol 5, No 3 (2024): IJ-FANRES
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v5i3.379

Abstract

All soils are known to contain a certain amount of soluble salts and exchangeable sodium, magnesium, potassium, and calcium. However, excessive enrichment of any one of them can interfere with many soil processes, including plant growth, and the effects depend on the degree of enrichment and the type of plant. Therefore, the objective of this study was to characterize the salt-affected soils of the Ambo area for irrigated farmlands in the Golina Watershed in Raya Kobo Woreda, Amhara region. One profile was excavated from an irrigated field to carry out this activity. One profile was excavated from the irrigated field to conduct this activity. Ten soil samples were taken from the soil profile at 2 m depth at 20 cm depth intervals. The samples were analyzed for several soil physical properties, including soil pH, soluble cations and anions, soluble salts (electrical conductivity, EC), exchangeable cations (Ca, Mg, Na, K), total nitrogen, organic carbon, soluble phosphorus, percent exchangeable sodium, sodium absorption, and soil physical properties (soil color, texture, bulk density, and soil porosity). Chemical properties were also analyzed. The analysis showed that the irrigated farmland soils had a pH of 7.6 to 8.8, electrical conductivity of 1.3 to 14 dsm-1, organic carbon of 0.3 to 1.2%, total nitrogen of 0.11 to 0.35%, soluble phosphorus of 24 to 41.4 mg kg-1, and cation exchange capacity of 50.3 to 65.5 cmol(+) kg-1. The distribution of exchangeable calcium was not consistent across the soil profiles of the irrigated farmlands. In general, the top layer of soil at both sites (because of its agricultural use) was considered for EC, ESP, and pH values. The irrigated farmland soils were classified as saline soils.
Effects of Combining Compost, Nitrogen, and Phosphorus on Barley Production in Wag-Lasta, Ethiopia. Ashebir, Merse Mengesha; Dejene, Dereje; Gashaw, Tadese
International Journal on Food, Agriculture and Natural Resources Vol 6, No 1 (2025): IJ-FANRES
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v6i1.424

Abstract

This trial aimed to assess the composting potential of local materials and their integration with inorganic fertilizers to enhance barley productivity. The experiment involved preparing compost and evaluating its effects on barley production at two locations over two years. Mean treatment differences were analyzed using the analysis of variance (Proc-GLM) procedure. The combined analysis over the two years in the Dahana and Lalibela areas revealed that applying the recommended blanket inorganic fertilizer resulted in the highest biomass and grain yield. However, using one tone of compost along with half of the recommended nitrogen and phosphorus also achieved comparable biomass and grain yield. Additionally, this approach improved the soil's physical and chemical properties over time. Therefore, using one ton of compost with half the recommended nitrogen and phosphorus is recommended for the Wag and Lasta highlands and similar agro-ecologies where barley is grown.
Determination of Nitrogen and Phosphorus Fertilizer Rates for Sorghum (Sorghum bicolor L. Moench) Production in Wag-Lasta, Ethiopia ashebir, merse mengesha; Sebnie, Workat
International Journal on Food, Agriculture and Natural Resources Vol 6, No 1 (2025): IJ-FANRES
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v6i1.419

Abstract

The decline in soil fertility due to topsoil loss caused by erosion, leaching, and continuous crop residue removal is a major challenge for crop production in the Wag-Lasta areas of Ethiopia. To address this issue, a field experiment was carried out in Lasta and Sekota districts, Eastern Amhara, Ethiopia, during the main rainy season in 2014 and 2016. The purpose of the experiment was to determine the optimal nitrogen and phosphorus fertilizer rates for Sorghum bicolor production. The experiment involved four nitrogen rates (0, 23, 46, 69 kgha-1N) and three phosphorus rates (0, 23, 46 kg kgha-1 P2O5) arranged in a randomized complete block design with three replications in a factorial arrangement. Soil samples were collected from 0–20 cm to determine selected soil properties, and agronomic data were collected following standard procedures. The data were then analyzed using SAS software version 9.0, and significant treatment means were separated using the least significant difference at 5% significance level. The results showed that nitrogen and phosphorus rates significantly affected sorghum yield and yield components at both locations. Specifically, applying 23 kg ha-1 N and 46 kg ha-1 P2O5 increased sorghum yield by 60% compared to the control at Sekota, while 23 kg ha-1 N and 23 kg ha-1 P2O5 gave a 125% yield increment over the control at Lalibela. Therefore, it was recommended to apply 23 kg ha-1 N and 46 kg ha-1 P2O5 for sorghum production in Sekota and 23 kg ha-1 N and 23 kg ha-1 P2O5 in Lalibela.
Co-Authors Dejene, Dereje Gashaw, Tadese Sebnie, Workat T, Solomon W, Lemma