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Featured researches published by R. B. Agbor.


Scientific Research and Essays | 2015

Growth pattern of two crop species on bio-remediated hydrocarbon polluted soils

R. B. Agbor; I. A. Ekpo; S. E. Kalu; I Bassey; E P Okoi; E O Ude

The effectiveness of agricultural wastes as bioremediation materials is gaining research attention as a better option in mitigating the issue of crude oil effects in soil environment. In the present study, the growth performance of Telfairia occidentalis and Arachis hypogaea linn in crude oil polluted soil amended with plantain peels (PP) and cocoa pod husks (CPH) were investigated. Eight kilograms (8 kg) each of dried soil samples were collected and weighed into 60 polythene bags. The polythene bags except the pristine control were polluted with 80 ml of crude oil and allowed for 14 days of soil acclimatization. The treatments comprising of CPH and PP were amended after 14 days, using the following concentrations: 0, 100, 150 and 200 g and allowed to acclimatize for 60 days. xa0T. occidentalis and A. hypogaea linn were cultivated immediately after treatment regimen. The pH of the amended and un-amended soil samples were observed to be at a range recommended for effective bioremediation of hydrocarbon polluted soil. The organic carbon content of the CPH amended soils were significantly reduced as compared to the PP amended soil. The phosphorus, nitrogen, potassium and other essential soil parameters evaluated were significantly high (P<0.05) in CPH amended soil than the PP amended soil. Crops grown in the rehabilitated soils possess a high adaptability in CPH amended soil than the PP amended soil. The amendments most preferably cocoa pod husks which tend to be more effective in the reduction of hydrocarbon content of the soil should be utilized in the enhancement of microbial degradation of crude oil product in soils.xa0 n n xa0 n n Key words: Crude oil, bioremediation, pollution, amendment, cocoa pod husk, plantain, groundnut, fluted pumpkin.


African Journal of Agricultural Research | 2014

Variation, correlation and path coefficient analyses in seed yield and related characters in local accessions of African Yam Bean (Sphenostylis stenocarpa) from Southern Nigeria

A. N. Osuagwu; Peter Nkachukwu Chukwurah; I. A. Ekpo; Emem E. Akpakpan; R. B. Agbor

Local accessions of African Yam Bean, a poorly studied and under-utilized but important food crop, from Abia, Akwa Ibom and Cross River states of Southern Nigeria were studied for variation in seed yield and pod characteristics. Correlations were carried out on the studied characters to determine the degree of mutual association among them while path coefficient analysis was used to partition the correlation coefficients into their direct and indirect effects on seed yield. Results revealed that significant differences (p<0.01) exist among the accessions with respect to the studied characters. Mean number of seeds per pod ranged from 13.27 to 18.87; seed weight per pod from 3.19 to 6.21g; weight of 100 seeds from 22.86 to 36.72g; pod length from 21.67 to 36.82 cm and pod width ranged from 0.79 to 1.05 cm. Number of seeds per pod and pod length had significant positive association with seed weight per pod. Pod width also correlated positively with seed weight in some accessions. Positive direct effects on seed weight per pod were obtained with number of seeds per pod and pod length. The results taken together revealed significant variations in the accessions and provide evidence for effective selection which is a prerequisite for genetic improvement. n n xa0 n n Key words: Sphenostylis stenocarpa, accessions, variation, correlation, path coefficient analysis.


Journal of Microbiology and Biotechnology Research | 2017

Biostimulation of microbial degradation of crude oil polluted soil using cocoa pod husk and plantain peels

R. B. Agbor; I. A. Ekpo; A. N. Osuagwu; U. U Udofia; Elza Cletus Okpako; S. P. Antai


Annals of Biological Research | 2012

Effect of crude oil polluted soil on germination and growth of soybean (Glycine max)

I. A. Ekpo; R. B. Agbor; Elza Cletus Okpako; E. B. Ekanem


Journal of Microbiology and Biotechnology Research | 2017

Bacteriological study of raw meat of Calabar Abattoir with public health and veterinary importance

C Mboto; B E Agbo; I S Ikpoh; R. B. Agbor; D I Udoh; E E Ambo; M A Ekim


Archive | 2012

Phytochemical and comparative studies of the stem bark and root of Xylopia aethiopica (Dunal.) A. Rich

I. A. Ekpo; R. B. Agbor; A. N. Osuagwu; B. E. Ekanem; Elza Cletus Okpako; I S Urua


Archive | 2012

Effect of crude oil and simulated acid rain on the growth and physiology of Thaumatococcus daniellii

R. B. Agbor; A. N. Osuagwu; Akwa Ibom


Archive | 2013

Repellance Effect Of Aqueous Extract Of Alligator Pepper ( Aframomum Melegueta K. Schum ) On Insects Of Okra

Elza Cletus Okpako; A. N. Osuagwu; R. B. Agbor; Kalu S. E


Archive | 2012

Evaluation of Eight Cowpea ( Vigna unguiculata l. Walp ) Species for Yield and Associated Traits

I. A. Ekpo; R. B. Agbor; A. N. Osuagwu; Elza Cletus Okpako; B. E. Ekanem


International Journal of Ecology and Ecosolution | 2018

Enhancement of microbial degradation of crude oil polluted soil using Mexican sunflower (Tithonia diversifolia) and wild groundnut (Calapogonium mucunoides)

R. B. Agbor; S. P. Antai

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I Bassey

University of Calabar

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B E Agbo

University of Calabar

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C Mboto

University of Calabar

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E E Ambo

University of Calabar

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I S Ikpoh

University of Calabar

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