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Articles by O.A. Babalola
Total Records ( 2 ) for O.A. Babalola
  O.A. Babalola , J.K. Adesodun , F.O. Olasantan and A.F. Adekunle
  Compost amendment has a positive influence on soil properties and thus can serve as a soil management strategy for a sustainable crop production system. Changes in soil biological, chemical and physical properties in response to 2 separate applications of compost were estimated using 3 rates of compost (0, 10 and 20 t ha-1) on two varieties of tomato (UC82B and BESKE) in 2006 and 2007. Soil samples were taken at 6 and 12 months after the first compost application and 12 and 24 months after the second application for analysis. Results revealed that total microbial count was significantly (p≤0.05) higher after amendment but fungal count was significantly higher only at 12 months in plots amended with 20 t ha-1 than in control after the first compost application. Microbial Biomass Nitrogen (MBN) significantly increased in plots amended with 20 t ha-1 while Microbial Biomass Phosphorus (MBP) and Microbial Biomass Carbon (MBC) increased with increase in rate of amendment up to 1 year after second compost amended. Furthermore, MBP, MBC and soil organic matter were higher at 1 than 2 years after compost the second compost amendment. At 2 years after compost amendments, bulk density significantly decreased by 4.8%, aggregate stability improved by 15.7% and total porosity significantly increased by 2.9%. Also, plots amended with 20 t ha-1 compost and planted to Beske had significant reduction in bulk density and increase in hydraulic conductivity compared with those planted to UC82B. However, aggregate stability was higher in all plots with Beske. Conclusively, compost amendment led to an improvement in soil organic carbon and microbial activities which significantly improved soil physical quality particularly in plots sown to Beske variety.
  F.A. Fakunmoju , O.A. Babalola , B. Ijimakinde , O.A. Anjola and P.F. Orowole
  Experiment was conducted to evaluate the growth performance of Tilapia niloticus fingerlings fed varying levels of Bambara waste meal based diets. Three hundred Tilapia niloticus fingerlings with a mean body weight of 3.5±0.1 g were assigned to five diets (CP = 32%) in which Bambara waste meal replaced maize at 0, 25, 50, 75, 100%, respectively in a completely randomized design replicated 3 times. The trial fish were fed at 5% b.wt., daily for a period of 84 days, data collected showed that body weight gain increased with increase Bambara waste meal in the diet (p<0.05). Similar observation was recoded for feed intake but there was significant (p>0.05). Difference in feed conversion ratio among the treatments. Data on economics of feeding shows that cost/kilogram of feed decreased progressively as the level of Bambara waste meal in the diet increased, which might be attributed to the cheap cost of Bambara waste meal as compared to that of maize which is expensive. Hence, Bambara waste meal could be recommended as a dietary supplement in the diet of Tilapia niloticus as it is the best means of reducing cost of production and also effective way of achieving the best output in terms of weight gain.
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