The Effects of Combined Application of Cattle Manure and NP Fertilizers on Yield and Nutrient Uptake of Potato in North-Eastern Ethiopia. J. sci. sustain. dev. [Internet]. 2015 Jan. 5 [cited 2026 Oct. 28];3(1):1-23. Available from: https://ojs-dev.ethernet.edu.et/index.php/jssd/article/view/36