scholarly journals Correction to: Effects of organic amendment on some soil physicochemical characteristics and vegetative properties of Zea mays in wetland soils of the Niger Delta impacted with crude oil

2019 ◽  
Vol 8 (S1) ◽  
pp. 437-437
Author(s):  
Francis E. Egobueze ◽  
Josiah M. Ayotamuno ◽  
Chukwujindu M. A. Iwegbue ◽  
Chibogwu Eze ◽  
Reuben N. Okparanma
Keyword(s):  
Zea Mays ◽  
Crude Oil ◽  
Niger Delta ◽  
Organic Amendment ◽  
Physicochemical Characteristics ◽  
Wetland Soils ◽  
Original Publication ◽  
Soil Physicochemical Characteristics

In the original publication of the article, the author’s name Reuben N. Okparanma was misspelled.

scholarly journals Effects of organic amendment on some soil physicochemical characteristics and vegetative properties of Zea mays in wetland soils of the Niger Delta impacted with crude oil

2019 ◽  
Vol 8 (S1) ◽  
pp. 423-435
Author(s):  
Francis E. Egobueze ◽  
Josiah M. Ayotamuno ◽  
Chukwujindu M. A. Iwegbue ◽  
Chibogwu Eze ◽  
Reuben N. Okparanma
Keyword(s):  
Zea Mays ◽  
Crude Oil ◽  
Incubation Time ◽  
Contaminated Soils ◽  
Niger Delta ◽  
Organic Amendments ◽  
Plant Performance ◽  
Wetland Soils ◽  
Cow Dung ◽  
Total Period

Abstract Purpose This study sought to investigate the effects of organic amendments on the degradation of hydrocarbons and vegetative properties of Zea mays grown in crude oil-contaminated wetland soils of the Niger Delta, Nigeria. Methods Two soil types were investigated, namely, fadama soil (oxisol) and swamp forest soil (utisol). For each soil type, 48 treatment cells and 1 control containing 1 kg of soil each were spiked with crude oil at concentrations ranging from 50 to 200 g kg−1, representing 5–20% (m/m) contamination levels, respectively. Then, 5 days after the contamination, the soils were amended with cow dung (CD), poultry waste (PW), and palm oil waste (POW). The ratios of soil to organic amendments used were 1:1 and 2:1. The soils were tilled and irrigated regularly, and monitored for a total period of 112 days. The same conditions were used to investigate the vegetative properties of Z. mays in these oil-contaminated soils with organic amendments. Results The total organic carbon (TOC) and pH increased significantly within the first 2 weeks after crude oil contamination; thereafter, the pH of the soil decreased significantly over incubation time, while there was steady increase in TOC with incubation time. The percentage nitrogen and total petroleum hydrocarbons (TPH) decreased significantly. The utisol soil showed better plant performance, despite the lower hydrocarbon degradation rate. Conclusion The organic amendments showed a TPH degradation trend that followed the order: PW > CD > POW. They also improved the seed emergence of Zea mays.

NIGERIA: DELTA OIL EXPLORATION POLITICS AND THE PORTRAYAL OF BRUTAL IMPACT IN YERIMA’S HARD GROUND

2020 ◽  
pp. 21-34
Author(s):  
Uche-Chinemere NWAOZUZU ◽  
Ifeanyichukwu ABADA ◽  
Emeka ANIAGO
Keyword(s):  
Crude Oil ◽  
Niger Delta ◽  
Critical Analysis ◽  
Interdisciplinary Approach ◽  
Oil Exploration ◽  
Political Structure ◽  
Hidden Agenda ◽  
Fault Lines

This study presents an interdisciplinary approach towards a critical analysis of some impacts of crude-oil exploration in Niger Delta and polemics of viable conϐlict resolution framework. This approach involves analysis of Ahmed Yerima’s creative portrayal in Hard Ground which revolves around the variables activating conϐlicting emotional interests in matters concerning ‘black gold’ in Nigeria, and how these variables resonant in debates and demands for Nigeria’s polity restructuring because of perceived resource mismanagement. More so, our scope includes an analytical attempt at illuminating elaborately our interpretation of the dimensions to the loud and shrewd inclinations subsuming what some see as solution to the lingering conϐlict, and the suppositions explaining why others see the debates and demands on polity restructuring as dark convoluted ploys aimed at hidden agenda. Hence, through select theories of victimhood, this study attempts to elucidate on the variables propelling conϐlicting emotional interestsabout oil exploration in Niger Delta, by looking interpretively hard and deep on the perspectives, views and suppositions deϐining the ideologies and inclinations propelling them. In the end, this study notes that the disenchantments and troubles with Nigeria’s polity framework and structure as it relates to oil exploration in Niger Delta are subsumed in Hard Ground’s creativecontribution as a means of assessing the points to the fault-lines that characterize the subsisting socio-political structure upon which Nigeria stands and wobbles.

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