Evaluation of Maize (Zea mays) Growth on Arable Soils Proximal To Gas Flaring Site in Egbema, Imo State, Southeastern Nigeria
Journal Title: Journal of Environmental and Social Sciences - Year 2016, Vol 3, Issue 1
Abstract
The effects of gas flaring on arable soils and growth indices of maize (Zea mays) in Egbema were examined. A purposive transect sampling technique at marked distances (10m, 50m, 100m, 200m and control 40km) away from a flare site was used. Soil samples were collected from five marked distances at 0 -15cm and 15 – 30cm depths while part of the 0 – 15cm samples was used for maize poly-bag test crop experiment. Oba Super maize hybrid was used as planting material using RCBD replicated thrice. Results gave mean values of 0.66, 1.06, 1.46, 1.79, and 2.66 for emergence rate; 3.37cm, 4.85cm, 9.97cm, 8.09cm and 13.12cm for maize height; and 1.69cm2, 2.75cm2 3.07cm2, 4.06cm2 and 11.33cm2 for leaf area at 10m, 50m, 100m, 200m and 40km respectively. ANOVA was employed for statistical data analysis. Maize growth parameters at 10m, 50m, 100m, and 200m showed a decrease trend of data at closer distance to the flare, which could be as a result of increase in soil temperature and reduced soil moisture at the flare site. The control (40km away), showed increase data in all the parameters monitored. For increased growth and yield, maize plots should be sited at least 30km away from gas flaring sites.
Authors and Affiliations
Moses O Nwagbara
Keywords
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