MASRIE, B.; DECHASSA, N.; TANA, T.; ALEMAYEHU, Y.; ABEBIE, B. The Effects of Combined Application of Cattle Manure and NP Fertilizers on Yield and Nutrient Uptake of Potato in North-Eastern Ethiopia. Journal of Science and Sustainable Development, v. 3, n. 1, p. 1-23, 5 Jan. 2015.