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Articles by I.O.A. Adeleye
Total Records ( 3 ) for I.O.A. Adeleye
  O.A. Olorunnisomo , A.E. Salami and I.O.A. Adeleye
  The effects of soil tillage and fertilizer application on yield and chemical composition of sweet potato (Ipomoea batatas (L) Lam) grown for livestock feeding during the dry season was investigated. The experiment was conducted at the Teaching and Research Farm, University of Ibadan. A split plot design was used with tillage as the main plot factor and fertilizer application as sub plot factor. The four treatments namely; tilled, fertilized (TF); tilled, not fertilized (TNF); not tilled, fertilized (NTF); not tilled, not fertilized (NTNF, control) was replicated three times. Yield and chemical composition of the root was determined. Residual forage and biomass production were also measured. There were significant differences (P < 0.05) in dry matter yield of the root, residual forage, and biomass production of sweet potato (SP) among treatments. Root yield was 7.8, 4.4, 4.4 and 3.4 t ha-1; residual forage, 7.5, 5.1, 5.9, and 4.3 t ha-1; and biomass production, 15.3, 9.5, 10.3 and 7.6t ha-1 for TF, TNF, NTF and NTNF respectively. The treatments had no significant (P > 0.05) effect on chemical composition of SP root although there was a slight improvement in crude protein (CP) content and a reduction in fibre components of the root with fertilizer application. Tillage and fertilizer application had equal influence on root yield of SP but when forage yield is considered, fertilizer application seemed to be more beneficial to the crop than tillage. The best economic returns from SP grown for livestock feeding were realized when both cultural practices were combined.
  F.G. Sodeinde , V.O. Asaolu , A.A. Akingbade , I.O.A. Adeleye , O.A. Olabode and S.R. Amao
  Panicum maximum cv T58 was established on a three Nitrogen (0, 100 and 200 KgN ha-1) and spacing (50x50, 75x 75 and 100x100 cm) regimes in factorial arrangement using randomized complete block and split plot designs. The three nitrogen levels were the main treatments while the spacing was the sub treatments each replicated three times. Dry matter evaluation was done and nutrient quality analyzed after 8 weeks of planting. The harvested grass was fed to twenty-seven West African Dwarf Sheep in nine treatments with three replicates each. Feed intake, weight gain, feed digestibility, feed utilization and feed to gain ratio were parameters measured. From the results, animals on the 200 KgN ha-1/50x50 cm plot with a crude protein of 11.8% had the highest feed intake, weight gain and utilization values. The lowest were recorded for the 0KgN ha-1 treatment (5.2% CP). The 100 KgN ha-1/50x50 cm (10.8% CP) and 100 KgN ha-1/75x75 cm (8.6% CP) were not significantly different (p<0.05) in performance when compared to the 200 KgN ha-1/50x50 cm spacing (11..8% CP) and 200 KgN ha-1/75x75 cm spacing (9.6% CP), respectively. The phosphorus level followed the trend for the nitrogen level in all grass samples, which affected the acceptability level. Therefore, Panicum maximum cv T58 can be established on a 200 KgN ha-1/50x50 cm or 100 KgN ha-1/50x50 cm or on the 75x75 cm spacing and feed at 8 weeks for optimum animal production in the derived savanna zone.
  F.G. Sodeinde , I.O.A. Adeleye , V.O. Asaolu , S.R. Amao and O.A. Olaniran
  Panicum maximum cv T58 was evaluated in the derived savanna zone of Nigeria for its yield and nutritive value when fed to the WAD sheep. The agronomic experiment was a split plot design with fertilizer Nitrogen levels (0, 100, 200 and 400 KgN/ha) as main plots. Each was replicated thrice and cutting intervals (6 and 8 weeks) served as sub plots. Grasses harvested at both the 6th week and 8th week after planting were fed to the 8 WAD sheep in a latin square design for the digestibility trials which lasted 21 days. Feed intake and weight gain of the animals were recorded at the beginning and end of the trails. Animals on the 200 KgN/ha fertilized grasses at 8 weeks gained an average of 2.1 g/day after consuming an average of 1.3 KgDMY per day. They had a CP digestibility of about 89.1%, which was significantly different (p<0.05) from the control that had 79.7% CP digestibility. The animals on the control gained about 0.04 g/day after consuming an average of 0.9 KgDMY/day. Mineral content except for copper increased in significant proportion (p<0.05) as the nitrogen level increased in the soil. The increase in the phosphorus level might be responsible for the higher feed intake recorded for animals on the 200 KgN ha-1 grass plot since it increased the palatability and acceptability level. Proximate analysis of the grass revealed a crude protein value of 6.9, 9.2, 12.8 and 13.1% CP for 0, 100, 200 and 400KgN ha-1 respectively at 8 weeks. The 6-week cutting had 5.5, 7.5, 9.2 and 10.1% crude protein values for the different treatments, respectively.
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