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All Journal Journal of Tropical Crop Science International Journal on Food, Agriculture and Natural Resources (IJFANRES)
Addis, Zelalem
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Agriculture, Biological Sciences & Forestry

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Quantification of vermicompost with nitrogen equivalence ratio on soil chemical properties and onion (Allium cepa L.) production in North Western Amhara Region Ethiopia Addis, Zelalem; Amare, Tadele; Feyisa, Tesfaye
International Journal on Food, Agriculture and Natural Resources Vol 5, No 4 (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.v5i4.402

Abstract

The experiment was conducted to determine the effects of vermicompost with equivalent nitrogen ratios on soil chemical properties and onion production in Northwestern Ethiopia. The experiment comprised six treatment levels: Control, Recommended Nitrogen, 75% Recommended Nitrogen + 25% Vermicompost, 50% Recommended Nitrogen + 50% Vermicompost, 25% Recommended Nitrogen + 75% Vermicompost, and 100% Vermicompost. These were arranged in a Randomized Complete Block Design (RCBD) with three replications. Data were analyzed using Analysis of Variance (ANOVA) via SAS software. The results showed that vermicompost combined with nitrogen affected the yield components of onions. However, soil properties, except for Total Nitrogen (TN) and Organic Carbon (OC), were not significantly affected by the treatments. The application of 50% vermicompost with 50% nitrogen resulted in the highest bulb yield (23.6 t/ha) compared to the control. Therefore, for a quick improvement in yield, applying 50% vermicompost with 50% nitrogen can be preferable in the study area and areas with similar agro-ecological conditions to achieve the highest net benefit.
Improvement of Soil Properties through Farmyard Manure and Lime for Barley Productivity in Acidic Hot Spot Areas of Ethiopia Addis, Zelalem; Amare, Tadele; Keribih, Betewlegn; Getaneh, Desaleign; Ambaw, Zimie; Awoke, Abrham; Tenaegn, Abere
Journal of Tropical Crop Science Vol. 12 No. 03 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.03.516-524

Abstract

The experiment was conducted to enhance barley productivity and improve soil properties in acid hotspots areas by applying farmyard manure and varying lime rates in the northwestern Amhara region, Ethiopia. The experiment comprised the combination of three levels of farmyard manure (0, 2, and 4 t.ha-1) and four levels of lime (0, 25, 50, and 100%) with one plot containing 92% N from urea and 69% P2O5 from TSP which was laid out in randomized complete block design with three replications. Data on soil physico-chemical properties and yield components of barley were collected and subjected to ANOVA. The individual application of farmyard manure and lime had a significant impact on the yield components of barley. Similarly, soil properties changed slightly under the treatments compared to the soil before planting. Sole application of 4 t.ha-1 farmyard manure and 100% lime ( 8.8 t.ha-1) gives the highest grain and above-ground biomass yield (1.7 and 3.5 t.ha-1) and (1.6 and 3.1 t.ha-1), respectively, than the control and the pilot treatments. Similarly, the application of sole 4 t.ha-1 scored the highest plant height (72.9 cm) compared to the control and pilot treatments. To achieve the highest net benefit within a short period, applying 4 t.ha-1 and 25% (2.2 t.ha-1) can be preferable for yield improvement in the study area and similar agro-ecological environments.
Co-Authors Amare, Tadele Ambaw, Zimie Awoke, Abrham Feyisa, Tesfaye Getaneh, Desaleign Keribih, Betewlegn Tenaegn, Abere