| How to cite this article:
B.A. Babaji, E.B. Amans, U.F. Chiezey, A.M. Falaki, B. Tanimu and A.A. Mukhtar, 2009. Unmarketable Tuber Yield and Other Agronomic Parameters of Four Varieties of Irish Potato (Solanum tuberosum L.) as Influenced by NPK Fertilizer Rate and Type of Seed Tuber at Samaru, Nigeria. Asian Journal of Crop Science, 1: 26-33.