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Volume 30, Issue 1

Published: April 2020

14 Articles April 2020
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Articles in this Issue

Effect of Particle Size Biochar (rhizophora Racemose) of Red Mangrove on Bacteria Population in Crude Oil - Contaminated Soil.

Teknikio, Jemimah B.; Tate, Joseph O.; and Pureaziba, Nelson
Soils contaminated at different levels of crude oil were amended with two- particle-sized fractions of red mangrove biochar [ mm (B1) and 4 mm (B2)] from locally pyrolyzed red mangrove in earthen...
ed from the study which is six gram-stain-negative and six gram-stain positive.
141 342
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Effect of Biochar on Available Phosphorus Status in Alfisols Derived from Charnockite in Ekiti State, Nigeri

Ilori, A. O. A., Shittu, O. S., Ayodele, O. J., Awe, G.O., and Oso, A. O
Biochar, a carbon-rich product of pyrolyzed biomass, has been used as an amend- ment to improve the properties of marginal highly-weathered soils in the tropics characterized by widespread phosphorus...
and ec from the native 0.02 to 8.37 ds m-1 with mb at 10 and 20% causing soil
135 335
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Biological Nitrogen Fixation and Productivity of Soybean in Maize - Soybean Intercrop Under Tillage and Bradyrhizobium Inoculation on Alfisols of Northern Guinea Savanna, Nigeria

Omeke, J. O. Yusuf, A. A., Uyovbisere, O. E. and Aliyu, I. A
A field study was conducted in the 2011 cropping season to investigate the effect of tillage and bradyrhizobium inoculation of soybean on biological nitrogen fixa- tion (BNF) and yield components in...
was 28.0 % higher in inoculated sole soybean and 80.2 % higher in inoculated
129 351
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Genotypic Effect of Groundnut on Nodulation, N Fixation and N Balance in the Two Savannahs of Nigeria

Moji K. T., Jibrin M. J., Umar F. G., and Abubakar U. D.
Identification of high N-fixing groundnut genotypes and integrating them into the prevailing cereal-based cropping systems can reduce the need for nitrogen (N) fertilizers, thus minimizing their high...
07599 icgv-is 09926 icgv-is 09932 icgv-is 09992 icgv-is 09994
131 327
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Vegetative Growth and Yield Response of Amaranthus Hybridus to Mycorrhizal Fungi (glomus Mosseae) Inoculation, Organic and Micronutrient Fertilizer Application

Edosa, V.I.O, Ogbemudia, Imasuen E. E, Yaqub A. E, Ogboghodo I. A
This study was carried out at the Faculty of Agriculture Teaching and Research farm, University of Benin during the early planting season in April 2016 to evaluate the growth response of Amaranthus...
and arranged in a randomized complete block design (rcbd) in a plot size of 70m2. soil samples were taken prior and after the trial at a 0-15cm depth for
142 383
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Land Suitability Evaluation for Maize Production and Taxonomic Classification of Soils Overlying Undifferentiated Basement Complex in Northeast Nigeria

Kefas, P. K, Maigida, E, Ezeaku, V.I, Ofem, K.I, Akwoga, J.A and Ezeaku P.I.
Soil characterization, classification and evaluation provide useful information for the understanding of its different facets, hence their potentials and limitations for crop production. Such...
samples were collected and analysed using standard laboratory procedures to
128 331
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Effect of Different Organic Composts and Inorganic Fertilizer on Nodulation, Nitrogen Fixation and Grain Yields of Soybean (glycine Max L.) Under Field Conditions.

Ogunrewo, O. M., Olayinka, A., Taiwo, L. B., Oyedele, O. A.
The study assessed the effects of composted corn wastes, poultry droppings and inorganic fertilizer on the number of nodules, nitrogen fixation and grain yields of soybean (Glycine max L.) under...
10-10 fertilizer and control were applied to a soil with low fertility status. soy-
121 335
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Micronutrient Distribution in Soils of Ethiope Region of Delta State, Nigeria

Ojobor S.A
Investigation was carried out in Ethiope Region of Delta state, Nigeria to evalu- ate the distribution of micronutrients contents of oxisols. Ten farming communi- ties were purposely selected in the...
5 % probability level was used to separate means. the relationship among nutri-
141 343
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Variability of Some Soil Properties Along a Toposequence in a Basaltic Parent Material of Vom, Plateau State Nigeria

Mahmud A. T., Hassan I. M., Shehu B. M. and Samndi M. A.
Topography influences the distribution of some soil physical and chemical properties. This study assessed some variation in soil properties resulting from the topographic effect on Basaltic parent...
revealed that variations in soil properties along the landscape segments were
163 371
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Effect of Nypa Fruticans Pruning Regime and Soil Properties on Regeneration of Mangrove Species (rhizophora Racemosa) in Eastern Obolo, Akwa Ibom State

Ogban, P. I., Ebong, U. P. & Dickson, U. S.
The study was conducted to evaluate the effect of Nypa fruticans pruning regimes on the regeneration of mangrove (Rhizophora racemosa) at Okorombokho in Eastern Obolo, Akwa Ibom State, Nigeria. The...
samples were collected from 0-15 and 15-30 cm depths. the study was a 3x2
127 344
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Soil Organic Carbon Fractions and Aggregation of a Tropical Alfisol as Affected by Plant Residues

Adesodun J. K., Udom B. E., Abudu O. S., Adejuyigbe C. O., Enikuomehin O. A., Thannia B. M., Oke O. O., Olowokere F. A., Oyegoke C. O., Mbila M., A. A. Olubode A. A.
Incorporation of plant residues into soil plays a vital role in enhancing the quality of fragile tropical soils. This study evaluated the short-term effect of plant residues of different quality on...
disturbed soil samples were collected at 0-20 cm depth for determination of per-
127 350
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Effect of Tillage and Maize - Cowpea Intercrop on Fractal Features of Particle and Aggregate Size Distribution on a Tropical Sandy Loam Soil in Southwest Nigeria

Adesodun.J. K., Udom B. E.,, Adekunle A. O., Adejuyigbe C. O., Atayese M. O., Olowokere F. A., Mbila M., Oyegoke C. O.
The effects of tillage and cropping pattern on soil aggregation, fractal dimensions and distribution of organic carbon fractions were studied. Treatments were no- tillage (NT), conventional tillage...
(dm) was obtained from psd while fragmentation fractal dimension (df) was
139 326
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Classification and Fertility Status of Soils on Slopes of Varying Orientations in Umuahia Area of Abia State, Nigeria

Aliba, V.O., Onweremadu E.U., Aririguzo, B. N. and Okoli, N. H.
The slope orientation and position of toposequence influence soil properties along the landscape. The study classified and evaluated the fertility status of soils on slopes of varying orientations in...
tem and correlated with world reference base while the fertility status was eval-
135 342
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Restorative Effects of Amendments on Artificially Degraded Soils in the Southern Guinea Savanna of Nigeria.

Adaikwu A. O. , Salako F. K., Busari M. A. , and Azeez J. O.
An evaluation of the productivity of degraded alfisols at Makurdi and Otobi, Nigeria, using artificial desurfacing techniques (ADT) was carried out in 2012 and 2013 cropping seasons. The study was a...
(p = 0.05) lower at 20 cm (29.08 cm hr-1) but did not differ significantly at 0 to
124 334
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