Area of Interest:

Plant and Soil Sciences

100%

Soil Science

62%

Soil Fertility

90%

Plant Nutrition

75%

Fertilizer

55%

Research Publications in Numbers

Books
0

Chapters
0

Articles
0

Abstracts
0

Selected Publications

Aniefiok E.U., O.B. Iren, E.B. Effa and I.A. Isong, 2019. Comparative efficacy of organic manures for improved performance of waterleaf (Talinum fructicosum (L) Juss.) in the humid tropical rainforest. I. J. Sci., 8: 1-10.
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Ayito, E.O., O.B. Iren and J. Kingsley, 2018. Effects of neem-based organic fertilizer, NPK and their combinations on soil properties and growth of okra (Abelmoschus esculentus) in a degraded ultisol of calabar, Nigeria. Int. J. Plant Soil Sci., 24: 1-10.
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Iren, O., I. Uwah and V. Vincent, 2017. Direct and residual effects of animal manures on Soil properties and yield components of pepper (Capsicum annum L.) in an ultisol of Southeast Nigeria. Asian. Res. J. Agric., 3: 1-9.
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Iren, O. and Y. Aminu, 2017. Soil nutrient dynamics and yield of cotton (Gossypium hirsutum L.) following an amendment with cattle manure. Int. J. Plant Soil Sci., 16: 1-10.
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Ediene, V., O. Iren and M. Solomon, 2017. The effects of different concentrations of crude aqueous extract of Artemisia annua on soil microbes. J. Adv. Microbiol., 3: 1-7.
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Ediene, V. and O. Iren, 2017. Impact of abattoir effluents on the pH, organic matter, heavy metal levels and microbial composition of surrounding soils in calabar municipality. Asain J. Environ. Ecol., 2: 1-10.
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Udoh, D.J., O.B. Iren and J.E. Jonathan, 2016. Comparison of fish pond waste water with manures under garden egg in Nigeria. Environ. Nat. Resour. Res., 6: 58-64.
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Iren, O.B., D.J. Udoh, U.O. Ufot and J.N. Chukwuemeka, 2016. Influence of local lime materials and organomineral fertilizer on fluted pumpkin (Telfairia Occidentalis) performance in an ultisol of Southeastern Nigeria. Int. J. Sci., 2: 75-81.
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Ediene, V.F., O.B. Iren and M.M. Idiong, 2016. Effects of abattoir effluent on the physicochemical properties of surrounding soils in calabar metropolis. Int. J. Adv. Res., 4: 37-41.
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Dominic J.U. and O.B. Iren, 2016. Evaluation of fish pond effluent as an organic fertilizer in comparison with poultry and pig manures in the cultivation of pineapple (Ananas comosus). IOSR J. Agric.Vet. Sci., 09: 05-10.
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Iren B.O., F.J. Akpan, F.V. Ediene, E.E. Asanga, 2015. Influence of cassava peels and poultry manure-based compost on soil properties, growth and yield of waterleaf (Talinum triangulare Jacq) in an ultisol of south-eastern Nigeria. J. Soil Sci. Environ. Manage., 6: 187-194.
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John, N.M., D.F. Uwah, O.B. Iren and J.F. Akpan, 2013. Changes in maize (Zea mays L.) performance and nutrients content with the application of poultry manure, municipal solid waste and ash composts. J. Agric. Sci., 10.5539/jas.v5n3p270.
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Iren, O.B. and U.C. Amalu, 2012. Forms and status of potassium in some soils supporting oil palm (Elaeis guineensis, Jacq) plantations in cross river state, Nigeria. Commun. Soil Sci. Plant Anal., 43: 1949-1962.
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Ibanga, I.J., N.B. Umoh and O.B. Iren, 2008. Effects of cement dust on soil chemical properties in the calabar environment, Southeastern Nigeria. Commun. Soil Sci. Plant Anal., 39: 551-558.
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