Tikrit Journal for Agricultural Sciences

Integrated Effects of Erythrina abyssinica Biomass, NP, and Lime on Soil Acidity Mitigation, Soil Fertility Improvement, and Wheat Productivity in Hula and Bensa Daye, Ethiopia

https://doi.org/10.25130/tjas.26.2.8
Volume 26, Issue 2
Spring 2026
Pages 102-118
Tikrit Journal for Agricultural Sciences

Document Type : Articles

Authors

Madebo Wanore Alemayehu 1
Wassie Haile Woldeyohannes 2
Eyasu Kifle 3
Talef Yeshitila 1
Gemechu Berhanu Gurmessa 1

1 Department of Plant Sciences, Daye Campus, Hawassa University, Hawassa, Ethiopia

2 School of Plant and Horticultural Sciences, College of Agriculture, Hawassa University, Hawassa, Ethiopia

3 Department of Agribusiness and Value Chain Management, Daye Campus, Hawassa University, Hawassa, Ethiopia

Abstract
Nowadays, increasing soil acidity and the resulting decline in soil fertility in the Ethiopian highlands are key factors limiting wheat yield. Therefore, this study was conducted to evaluate the integrated effects of Erythrina abyssinica biomass (EAB), NP, and lime on soil acidity mitigation, soil fertility improvement, and wheat productivity in Hula and Bensa Daye, Ethiopia. Seven treatments were evaluated: control, full EAB dose, half EAB dose + half recommended NP, full lime + full recommended NP, full EAB + full lime + full NP, half EAB + half NP + half lime, and full NP fertilizers. The experiment was laid out in RCB design with three replications. The results showed that the integrated application of Erythrina abyssinica biomass (EAB), lime, and NP significantly influenced soil physicochemical properties and all wheat attributes. At both study locations, improved physicochemical properties, significantly the highest wheat growth, yield, and yield component attributes were obtained from treatment five (TRT5), which received full EAB + full lime + full NP fertilizers. The application of full EAB + full lime + full NP fertilizers increased wheat grain yield by 92.81% over the control at the Hula site. Similarly, at the Bensa Daye site, it increased wheat grain yield by 100% over the control treatment. The findings demonstrate that the integrated application of Erythrina abyssinica biomass, lime, and NP fertilizers improves soil physicochemical properties and enhances wheat performance in acidic soils. Therefore, amending acidic soils with EAB, lime, and inorganic fertilizers effectively mitigates acidity and enhances wheat productivity.

Keywords

Boru wheat
Erythrina abyssinica
Integrated application
Phosphorus
Soil acidity
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