Interaction of crude oil and manure treatments and its effects on the agronomic characteristics of maize (&lt;i&gt;Zea mays&lt;/i&gt; l.)

Onu, M.O; Ohazurike, NC; Madukwe, D.K

doi:10.4314/swj.v3i2.51804

Cited by 4 publications

(6 citation statements)

References 2 publications

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“…Chaineau, et al (1997) has demonstrated in their investigations that the formation of oil coat on seeds could prevent the uptake of oxygen and water which are essential requirements for germination. The inverse relationship between the rate of germination and the concentration of crude of crude oil observed in this study is in conformity with earlier studies (Merckl et al, 2004;Salanitro et al, 1997;Onuh et al, 2008). The figure 1 shows a decrease in germination rates as the level of contamination increases in the polluted and remediated groups.…”

Section: Resultssupporting

confidence: 92%

Physicochemical changes in maize plant (Zea mays) grown on contaminated soil exposed to sawdust treatment

Eluehike¹,

Oriakhi²,

Eromosele³

et al. 2019

Journal of Applied Sciences and Environmental Management

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The potential effects of sawdust for bioremediation of growing maize grown on crude oil contaminated soil was evaluated in this study. The experiment was divided into 3 groups control (soil without crude oil), polluted (soil with varying concentrations of crude oil), and sawdust treated (polluted soil with 50g sawdusts). The polluted and sawdust treated regime received four levels of treatments with crude oil (25g, 50g, 75g and 100g). Viable seeds of maize were grown on the soil beds for 35 days to assess the % germination, % survival, stem height, chlorophyll a and b, oxidative stress indicators and selected macronutrients using standard methods. Data obtained shows that the growth performance of the sawdust treated samples containing low concentration of crude oil was better in comparison to polluted groups but less than that of control. Sawdust remediation helped in overcoming the growth inhibition due to pollution to some extent. Significant increase (p<0.001) in the activity of antioxidant enzymes (superoxide dismutase, catalase and peroxidase) were observed in the sawdust treated regime when compared with the polluted and control groups. The result also showed a significant decrease (p<0.001) in Malondialdehyde levels and a non-significant increase (p>0.05) in macronutrients assessed in the remediated regime when compared with the polluted regime. Remediation of the polluted soil with sawdust relieved the inhibitory effect of crude oil on the plant growth particularly in groups containing lower concentrations of crude oil.

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Section: Resultssupporting

confidence: 92%

Physicochemical changes in maize plant (Zea mays) grown on contaminated soil exposed to sawdust treatment

Eluehike¹,

Oriakhi²,

Eromosele³

et al. 2019

Journal of Applied Sciences and Environmental Management

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“…Phytoremediation could pose serious challenge to the metabolic activities of soil microorganisms. This follows the findings of Abioye et al, [11], who observed high percentage of crude oil loss in the 5% used motor oil polluted soil sample amended with organic waste when compared to that of 15%.…”

Section: Resultssupporting

confidence: 91%

Phytoremediation of Crude Oil Polluted Soil Using Dried Yam Peels (Discorea sp) as a Case Study in Niger Delta Environment of Southern Nigeria

Ogwuche

Edjere²,

Obi³

2023

EJGEO

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This study aimed at enhancing the remediation of crude oil polluted soil using yam peels. 2kg of the soil samples were polluted crude oil at different concentrations ranging from 5%, 10% and 15%. There were three amended and un-amended samples each labeled A-F. The amended samples were A, C and E which contained the following respectively, 5% polluted soil + 150g yam peels, 10% polluted soil + 150g of yam peels and 15% polluted soil + 150g yam peels. The un-amended samples were B, D and F which were called the control samples with 5%, 10% and 15% concentration of crude pollutant. Parameters such as soil moisture content, total organic carbon, pH and total hydrocarbon content were analyzed before and after remediation. The result showed that yam peels enhanced remediation of the soil especially in treatment A. The reduction in Total Hydrocarbon Content was highest in the 5% crude oil polluted soil sample resulting 57.4% and least at 15% polluted control sample resulting 44.2%. The higher the concentration of crude oil in the soil the lower the percentage degraded. Yam peels which are agro waste can enhance biodegradation of crude oil in polluted soil and therefore can act as remediating agent.

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“…The percentage soil organic carbon content of the soil samples increased with increase in the concentration of the PHCs (SEO, BIT and CRO) applied at two months of incubation. The increase in the SOC content recorded in this experiment is consistent with earlier findings [4,15,18,19] and may be as a result of the microbial mineralization of the petroleum hydrocarbon compounds. Available N and P of the soil increased due to the contamination with petroleum hydrocarbon compounds, which contradicted the report of Onuh et al [18] who observed decreases as the level of crude oil pollution increased.…”

Section: Discussionsupporting

confidence: 81%

“…The observed pH decreases recorded in our study compared favourably with pH values (4.7 to 5.4) reported by Osuji and Adesiyan [16] and Agele et al [17]. The decreases in soil pH observed in this study contradicts the reports of Onuh et al [18,19] who obtained increases in soil pH as the level of crude oil applied increased. The pH level of a soil which explains the degree of acidity and alkalinity of soil affects physicochemical soil properties as well as the flora and fauna of soil.…”

Section: Discussioncontrasting

confidence: 57%

Dynamics of Chemical and Biological Properties of Organically Amended Petroleum Hydrocarbon Polluted Soil as Affected by Incubation Periods

Aj¹,

Bamiduro²

2017

J Bioremediat Biodegrad

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A study was conducted in the Screen house of the Department of Crop, Soil and Pest Management, FUTA Akure to examine the time dynamic trends in soil chemical properties as affected by contamination with petroleum hydrocarbon compounds (PHC) in a 6 months incubation period as affected by organic amendments. The petroleum hydrocarbon compounds used were spent engine oil (SEO), bitumen (BIT) and crude oil (CRO). The organic amendments used were poultry manure and mycorrhizal fungi (Glomus mossae) spores. The respective petroleum hydrocarbon compounds (spent engine oil SEO, bitumen BIT and crude oil CRO) were applied at 2 rates of 0 and 455 ml per pot and 3 levels of organic amendments followed by incubation for six (6) months. Soil samples were collected from each treatment at 0, 2, 4 and 6 months after treatment application for the determination of some chemical properties (pH, organic carbon, N, P, K, Ca and Mg). The time changes in elemental concentrations of soil contamination with petroleum hydrocarbon compounds (SEO, BIT and CRO) showed declining trends in the values of pH, organic carbon and Mg while N-Total, Ca and available P and K rose with time. In general, the nature of the trends (polynomial function as best fit) indicated that the observed responses were not uni-function of a factor but suggest interaction among factors responsible for the breakdown of petroleum hydrocarbon compounds and hence its toxicity to soil chemical properties. The time course of changes in soil chemical properties as affected by petroleum hydrocarbon compounds (PHCs) contamination in soil differed among the PHCs evaluated. The values of the measured soil parameters recorded at the commencement of the experiment and at 2, 4, 6 months after the application of the petroleum hydrocarbon compounds showed declining trends in the values of pH, organic carbon and Mg were obtained. Increasing trends in N-total and available P with time up till the end of the experiment while SEO recording the highest values at 6 months of incubation. Trends of the mean values (highest and lowest values) with respect to treatment showed that CRO had the highest soil pH at 2 and SEO had the lowest at 6 month. SOC increased across treatments with SEO recording the highest value at 2 months of incubation, which was followed by general decline in values with time across the PHCs. The results indicated that PHCs adversely affect soil chemical properties and that addition of organic substances improved chemical properties of the soil following pollution with petroleum hydrocarbon compounds compared with the un-amended soils. Poultry manure in particular performed better compared with mycorrhizal inoculum with respect to improvement of soil chemical properties.

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Interaction of crude oil and manure treatments and its effects on the agronomic characteristics of maize (<i>Zea mays</i> l.)

Cited by 4 publications

References 2 publications

Physicochemical changes in maize plant (Zea mays) grown on contaminated soil exposed to sawdust treatment

Physicochemical changes in maize plant (Zea mays) grown on contaminated soil exposed to sawdust treatment

Phytoremediation of Crude Oil Polluted Soil Using Dried Yam Peels (Discorea sp) as a Case Study in Niger Delta Environment of Southern Nigeria

Dynamics of Chemical and Biological Properties of Organically Amended Petroleum Hydrocarbon Polluted Soil as Affected by Incubation Periods

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