Research Article
Yield Response of a Cowpea Variety on Ground Seashells on Isohyperthermic Arenic Kandiudult of Owerri Southeastern Nigeria
Department of Soil Science and Technology, Federal University of Technology, PMB 1526 Oweni, Nigeria
C. C. Opara
Department of Soil Science and Technology, Federal University of Technology, PMB 1526 Oweni, Nigeria
U. Nkwopara
Department of Soil Science and Technology, Federal University of Technology, PMB 1526 Oweni, Nigeria
C. I. Duruigbo
Department of Crop Science and Technology, Federal University of Technology, PMB 1526 Oweni, Nigeria
I. I. Ibeawuchi
Department of Crop Science and Technology, Federal University of Technology, PMB 1526 Oweni, Nigeria