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Abstract

A study was carried out in the Teaching and Research Farm of Delta State University, Asaba Campus from August to December in 2005 and repeated between March and July, 2006 to evaluate the response of maize (Zea mays) to liquid organic fertilizer. The study was conducted using a split plot fitted into randomized complete block design. Liquid organic fertilizer was diluted at the rate of 60 ml of the product to 15 litres of water and applied to maize foliage, topsoil, foliage and topsoil at the rates of 5l/ha, 10l/ha, 151/ha, l8l/ha, 201/ha and 251/ha. The result obtained indicated a positive influence of liquid organic fertilizer on time of tasselling, time of silking and grain yield of maize. Liquid organic fertilizer significantly reduced the times of tasselling and silking, and increased grain yield of maize. Based on this study, it is recommended that 151/ha of liquid organic fertilizer which produced 5.6tha’ in 2005 and 6.1tha’ of dry grain yield 2006 be applied on the topsoil of maize plant with a view to maximally exploit the great economic potentials of the crop.

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