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International Journal of Soil Science
  Year: 2006 | Volume: 1 | Issue: 3 | Page No.: 251-257
DOI: 10.3923/ijss.2006.251.257
 
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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

Abstract:
Vital 5 variety of cowpea was cultivated on a very sandy ultisol of Owerri, Southeastern Nigeria-using 3 rates of ground seashells, namely 0 t ha-1, 1 t ha-1 and 2 t ha-1. Results showed that soil pH increased from 3.3 (0 t ha-1), 4.2 (1 t ha-1 ground seashells) to 4.3 (2 t ha-1 ground seashells) Aluminum saturation (ALSAT) decreased from 64% (0 t ha-1), 46% 1 t ha-1) to 38% (2 t ha-1) while base saturation (BSAT) increased from 18% (0 t ha-1), 41% (1 t ha-1) to 52% (2 t ha-1). Available phosphorus distribution was 6.8, 24 and 32 ppm for 0, 1 and 2 t ha-1, respectively. Yield responses varied according to rate of lime (ground seashells) application with 1, 302.0, 1808.0 and 1896.5 kg ha-1 for 0, 1 and 2 t ha-1, respectively.
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How to cite this article:

E.U. Onweremadu, C.C. Opara, U. Nkwopara, C.I. Duruigbo and I.I. Ibeawuchi, 2006. Yield Response of a Cowpea Variety on Ground Seashells on Isohyperthermic Arenic Kandiudult of Owerri Southeastern Nigeria. International Journal of Soil Science, 1: 251-257.

DOI: 10.3923/ijss.2006.251.257

URL: https://scialert.net/abstract/?doi=ijss.2006.251.257

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