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Journal Article 2003-12

Autor: Nwoke, O.C. Vanlauwe, Bernard Diels, J. Sanginga, N. Osonubi, O. Merckx, R.

A large proportion of total P in the soils of the area is unavailable to plants and consequently P is the second most limiting nutrient. The labile and moderately labile phosphorus fractions and adsorption characteristics of surface and subsurface horizons of eleven soil profiles in the derived s...

Enlace original: https://cgspace.cgiar.org/handle/10568/96364

Investigación en Agricultura
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Nwoke, O.C. ,  Vanlauwe, Bernard ,  Diels, J. ,  Sanginga, N. ,  Osonubi, O. ,  Merckx, R. ,  [Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils] ,  Assessment of labile phosphorus fractions and adsorption characteristics in relation to soil properties of West African savanna soils
Journal Article 2004

Autor: Ekanayake, I.J. Oyetunji, O.J. Osonubi, O. Lyasse, O.

Arbuscular mycorrhizal (AM) fungi are well known phyto-stimulators of various growth processes of its symbiotic plants. Semi-controlled experiments were conducted in large container cultured cassava to investigate the influence of AM inoculation and water stress on leaf chlorophyll production fro...

Enlace original: https://cgspace.cgiar.org/handle/10568/96431

Investigación en Agricultura
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Ekanayake, I.J. ,  Oyetunji, O.J. ,  Osonubi, O. ,  Lyasse, O. ,  [Effects of arbuscular mycorrhizal fungi and water stress on leaf chlorophyll production of cassava (Manihot esculenta Crantz)] ,  Effects of arbuscular mycorrhizal fungi and water stress on leaf chlorophyll production of cassava (Manihot esculenta Crantz)
Journal Article 2018

Autor: Enesi, R.O. Hauser, S. López Montez, A. Osonubi, O.

Four factorial trials were conducted with yam (Dioscorea rotundata Poir.) at Ibadan, Nigeria from 2013 to 2015, investigating effects of (1) tillage (2) fertilizer (3) intercropping (4) yam plant densities. Yam tuber yields varied between years (2013: 16.44 Mg ha−1; 2014: 10.08 Mg ha−1; 2015 26.6...

Enlace original: https://cgspace.cgiar.org/handle/10568/103504

Investigación en Agricultura
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Enesi, R.O. ,  Hauser, S. ,  López Montez, A. ,  Osonubi, O. ,  [Yam tuber and maize grain yield response to cropping system intensification in south-west Nigeria] ,  Yam tuber and maize grain yield response to cropping system intensification in south-west Nigeria
Journal Article 2007

Autor: Oyekanmi, E.O. Coyne, D.L. Fagade, O.E. Osonubi, O.

The effects of soybean inoculation with arbuscular mycorrhiza fungus Glomus mosseae (200 sporesplant), the nodulating bacterium Bradyrhizobium japonicum (106 cellsplant) and the nematode antagonistic fungus Trichoderma pseudokoningii (6.8×107 sporesplant) were studied. Application of the microorg...

Enlace original: https://cgspace.cgiar.org/handle/10568/92171

Investigación en Agricultura
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Oyekanmi, E.O. ,  Coyne, D.L. ,  Fagade, O.E. ,  Osonubi, O. ,  [Improving rootknot nematode management on two soybean genotypes through the application of Bradyrhizobium japonicum, Trichoderma pseudokoningii and Glomus mosseae in full factorial combinations] ,  Improving rootknot nematode management on two soybean genotypes through the application of Bradyrhizobium japonicum, Trichoderma pseudokoningii and Glomus mosseae in full factorial combinations
Journal Article 2007

Autor: Oyetunji, O. Ekanayake, I.J. Osonubi, O.

Arbucsular Mycorrhizal Fungi (AMF) are implicated as phyto-stimulators of various physiological processes of its symbiotic plants. The influences of AM fungi and water deficit on quantum yield of photochemistry (Fv/Fm) of photo-system II of cassava leaves were therefore investigated. Field experi...

Enlace original: https://cgspace.cgiar.org/handle/10568/91337

Investigación en Agricultura
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Oyetunji, O. ,  Ekanayake, I.J. ,  Osonubi, O. ,  [Chlorophyll fluorescence analysis for assessing water deficit and Arbuscular Mycorrhizal Fungi (AMF) inoculation in cassava (Manihot esculenta Crantz)] ,  Chlorophyll fluorescence analysis for assessing water deficit and Arbuscular Mycorrhizal Fungi (AMF) inoculation in cassava (Manihot esculenta Crantz)
Journal Article 2004

Autor: Nwoke, O.C. Vanlauwe, Bernard Diels, J. Sanginga, Nteranya Osonubi, O.

The role of residue characteristics in enhancing the availability of P was investigated in a greenhouse study using two soils from the northern Guinea savanna (NGS) and four from the derived savanna (DS) zones of the West African moist savanna. Eight organic residues of varying C-to-P ratio were ...

Enlace original: https://cgspace.cgiar.org/handle/10568/43557

Investigación en Agricultura
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Nwoke, O.C. ,  Vanlauwe, Bernard ,  Diels, J. ,  Sanginga, Nteranya ,  Osonubi, O. ,  [Impact of residue characteristics on phosphorus availability in West African moist savanna soils] ,  Impact of residue characteristics on phosphorus availability in West African moist savanna soils
Conference Paper 1992

Autor: Awotoye, O.O. Atayese, M.O. Osonubi, O. Mulongoy, K. Okali, D.U.U.

This paper reports on a study of the influence ofdrought and inoculation with mycorrhiza on dry-matter production, nutrient uptake and water relations of Acacia auriculiformis, Albizia lebheck. Gliricidia sepium and Leucaena leucocephala in a sterile soil. Inoculation with L. leucocephala roots c...

Enlace original: https://cgspace.cgiar.org/handle/10568/100027

Investigación en Agricultura
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Awotoye, O.O. ,  Atayese, M.O. ,  Osonubi, O. ,  Mulongoy, K. ,  Okali, D.U.U. ,  [Response of some tropical nitrogenfixing woody legumes to drought and inoculation with mycorrhiza] ,  Response of some tropical nitrogenfixing woody legumes to drought and inoculation with mycorrhiza
Journal Article 2009

Autor: Nwoke, O.C. Okogun, JA Sanginga, Nteranya Diels, J. Abaidoo, R.C. Osonubi, O.

Information on the inter- and intra-specific variability in the acquisition and utilization of phosphorus (P) by promiscuous soybean genotypes under low-P conditions can be helpful in the short-term management of soil P availability. Thirteen promiscuous soybean genotypes were evaluated in a low-...

Enlace original: https://cgspace.cgiar.org/handle/10568/42462

Investigación en Agricultura
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Nwoke, O.C. ,  Okogun, JA ,  Sanginga, Nteranya ,  Diels, J. ,  Abaidoo, R.C. ,  Osonubi, O. ,  [Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop] ,  Phosphate rock utilization by soybean genotypes on a low-P savanna soil and the status of soil P fractions after a subsequent maize crop
Journal Article 2004

Autor: Nwoke, O.C. Vanlauwe, Bernard Diels, J. Sanginga, Nteranya Osonubi, O.

The fractionation of soil P into various organic and inorganic pools with differing levels of bioavailability, coupled with knowledge of the P adsorption and desorption characteristics of the soils, provides insights into management strategies that enhance P availability to crops. Sequential soil...

Enlace original: https://cgspace.cgiar.org/handle/10568/44158

Investigación en Agricultura
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Nwoke, O.C. ,  Vanlauwe, Bernard ,  Diels, J. ,  Sanginga, Nteranya ,  Osonubi, O. ,  [The distribution of phosphorus fractions and desorption characteristics of some soils in the moist savanna zone of West Africa] ,  The distribution of phosphorus fractions and desorption characteristics of some soils in the moist savanna zone of West Africa
Manuscript-unpublished 2000

Autor: Ekanayake, I.J. Oyetunji, O. Osonubi, O. Lyasse, O.

Degree of VAM colonization and clonal responsiveness are useful selection criteria for improving the clonal adaptation of cassava (Manihot esculenta Crantz) for managing sustainable crop production systems in the tropics. Cultivated clones of cassava were shown to vary in their levels of coloniza...

Enlace original: https://cgspace.cgiar.org/handle/10568/92782

Investigación en Agricultura
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Ekanayake, I.J. ,  Oyetunji, O. ,  Osonubi, O. ,  Lyasse, O. ,  [Physiological and cultural factors affecting VA mycorrhizae infection and responsiveness in various cassava clones] ,  Physiological and cultural factors affecting VA mycorrhizae infection and responsiveness in various cassava clones

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