Abstract
A field experiment was conducted at the Teaching and Research Farm of Ramat Polytechnic Maiduguri, Borno state, Nigeria. to determine the comparative effects of manure and organic fertilizer on growth and yield of sweet corn. The experiment consisted of four treatments 0 kg ha1, 120 kg ha-1 manure, 120 kg ha-1 inorganic fertilizer and 60 kg ha-1 manure + 60 kg ha-1 inorganic fertilizer. The treatments were laid in a complete randomized block design (RCBD) with three replicates. At 6 and 8 WAS a combination of 60 kg ha-1 manure 60 kg ha-1 inorganic fertilizer produced significantly taller plants than 120 kg ha-1 manure and 120 kg ha-1 inorganic fertilizer. At 10 WAS 120 kg ha-1 inorganic fertilizer produced significantly taller plants than 120 kg ha-1 manure and 0 kg ha-1. Combination of 60 kg ha-1 manure + 60 kg ha-1 inorganic fertilizer recorded highest grain yield than control 0 kg ha-1 single manure 120 kg ha-1 and 120 kg ha-1 inorganic fertilizer.
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