Articles by C. Duruigbo (3)

Effect of Poultry Manure Rates on Soil Acidity in an Ultisol

C. I. Duruigbo, J. C. Obiefuna and E. U. Onweremadu

International Journal of Soil Science 2 ( 2 ): 154 - 158 , 2007

Yield Response of a Cowpea Variety on Ground Seashells on Isohyperthermic Arenic Kandiudult of Owerri Southeastern Nigeria

E. U. Onweremadu, C. C. Opara, U. Nkwopara, C. I. Duruigbo and I. I. Ibeawuchi

International Journal of Soil Science 1 ( 3 ): 251 - 257 , 2006

Effects of Plant Extracts and Plant Density on the Severity of Leafspot Disease of Groundnut (Cercospora arachidicola. Hori) in Imo State

G. O. Ihejirika, M. I. Nwufo, C. I. Duruigbo, E. U. Onwerenadu, O. P. Obilo, E. R. Onuoha and K. O. Ogbede

Journal of Plant Sciences 1 ( 4 ): 374 - 377 , 2006

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