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An experiment was conducted at the Teaching and Research Farm of Abia State University, Umuahia Campus, Nigeria, from the month of May to October, 2012 to determine the effect of plant spacing on the growth and yield of forage plant, maize (Zea mays), intercropped with cowpea (Vigna unguiculata sub spp. Dekintiana) and Bambara nut (Vigna subterenea). The treatments included two plant spacings (50x50 cm and 100x100 cm) either in sole or intercropped system viz: maize-cowpea 50x50 (MC50), maize-cowpea 100x100 cm (MC100), maize-Bambara nut 50x50 (MB50), maize-Bambara nut 100x100 (MB100), sole maize 50x50 (SM50) and sole maize 100x100 (SM100). The cowpea and Bambara were planted at two seeds per hole while the maize was planted three seeds per hole. NPK 15:15:15 fertilizer was applied 4 weeks after planting (WAP) at 200 kg/ha. The results obtained showed that maize growth and yield were significantly (P0.05) for herbage yield and their values were significantly higher (P |
