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M. A. Onoja

Publications (3)

Application of EDXRF in the Determination of the Abundance and Distribution of Arsenic along a Federal Highway in Northern Nigeria

M. A. Onoja & I. G. E. Ibeanu · Physical Science International Journal · 2015

The transmission-emission technique of EDXRF was used to determine the abundance and distribution of Arsenic in soil along a Federal Highway in northern Nigeria. Depth profile of the element was investigated. Subsequently, top soils within a depth of 5 cm were collected along par...

Open access Research Article 10.9734/PSIJ/2015/16789

Assessment of Heavy Metals in Guinea Sorrel (Hibiscus sabdariffa) Cultivated on Fadama Soils in Maiduguri, Nigeria

P. H. Bukar, M. A. Onoja, J. A. Audu & M. U. Saidu · Journal of Agriculture and Ecology Research International · 2020

River Ngadda is one of the main sources of water used by the resident of Maiduguri Metropolis The proximity of the people to the river encourages a lot of irrigation farming along the river bank during the dry season especially vegetables therefore, concentration values of heavy...

Open access Research Article 10.9734/jaeri/2020/v21i330135

Assessment of Metal Pollutants Bioaccumulation in Amaranthus (Amaranthus tricolor) Vegetables in Maiduguri, Nigeria

P. H. Bukar, J. A. Audu, M. U. Saidu & M. A. Onoja · Journal of Agriculture and Ecology Research International · 2020

Assessment of metal pollutants bioaccumulation in amaranthus vegetables cultivated along the bank of river Ngadda and Alau dam was carried out with the aim of establishing the health risk associated with their consumption. Samples of amaranthus vegetables were analyzed for metal...

Open access Research Article 10.9734/jaeri/2020/v21i330133