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C. N. Okereke

Publications (6)

Comparative Assessment of the Impact of Organic and Inorganic Fertilizers Application on the Growth and Development of Solanum nigrum L. (Angiosperm; Solanaceae)

C. N. Okereke, C. D. Nnama, K. U. Ekwealor, C. G. Ukpaka & C. O. Nwogiji · Journal of Advances in Biology & Biotechnology · 2017

Aims: The application of organic and inorganic fertilizers to the soil is considered a good agricultural practice as it helps to improve the fertility of the soil and the quality of plant products. However, the effect of some fertilizers on crop yield is not always positive when...

Open access Research Article 10.9734/JABB/2017/30047

An Evaluation of the Spatial Distributions of the Physico-Chemical and Microbial Contents of Nworie River in Owerri, Southeastern Nigeria

S. O. Onyekuru, C. N. Okereke, S. I. Ibeneme, A. O. Nnaji, C. Z. Akaolisa, C. A. Ahiarakwem, M. O. Ibecheozo & L. N. Ukiwe · Current Journal of Applied Science and Technology · 2014

Water quality assessment of a tropical river arises due to the importance of such rivers as main sources of water for domestic, agricultural, tourism and industrial purposes. The spatial distribution of the physical, chemical and microbial contents of Nworie River water was asses...

Open access Research Article 10.9734/BJAST/2014/10700

Comparative Study on the Vegetative and Floral Morphology of Three Ipomoea Species from Nigeria

K. U. Ekwealor, C. F. Iroka, C. N. Okereke & G. C. Ukpaka · Asian Journal of Research in Botany · 2020

Aim: The aim of this study was to determine the different vegetative and floral morphological features of three species of Ipomoea; Ipomoea aquatica, Ipomoea asarifolia and Ipomoea involucrate. Area of Study, Collection and Identification of Plants: The study was conducted in Nna...

Open access Research Article

Assessment of Phenology in Gmelina (Gmelina arborea Roxb.) Populations in Nigeria

K. U. Ekwealor, C. B. Echereme, T. N. Ofobeze & C. N. Okereke · Asian Journal of Research in Botany · 2019

The phenological events of 68 reproductive mature Gmelina arborea trees were monitored at three different periods, every month along the year in Idemili South forests for two consecutive annual cycles. Leaf initiation started with the emergence of leaf buds in first March, coinci...

Open access Research Article

Landscape Ecology: A Helicopter View

K. U. Ekwealor, C. B. Echereme, T. N. Ofobeze & C. N. Okereke · International Journal of Plant & Soil Science · 2019

This article reviews some of the main areas of landscape ecology. It includes the ideas and views of authors to the knowledge and understanding of the interplay between spatial heterogeneity and ecological processes, both in terrestrial and aquatic habitats at their varying scale...

Open access Research Article 10.9734/ijpss/2019/v31i130200

Economic Importance of Weeds: A Review

K. U. Ekwealor, C. B. Echereme, T. N. Ofobeze & C. N. Okereke · Asian Plant Research Journal · 2019

Weeds are plants that are unwanted in a given situation and may be harmful, dangerous or economically detrimental. They are responsible for substantial losses of farm production and extensive damage to the environment. Weeds, through competition with other plants, would almost al...

Open access Research Article 10.9734/aprj/2019/v3i230063