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Volume 30(1)

Effect of Particle Size Biochar (Rhizophora racemose) of Red Mangrove on Bacteria population in Crude oil-contaminated Soil.
Original Research
Pages : 1 - 7
Teknikio, Jemimah B.*; Tate, Joseph O.; and Pureaziba, Nelson


Effect of Biochar on Available Phosphorus Status in Alfisols Derived From Charnockite In Ekiti State, Nigeri
Original Research
Pages : 8 - 14
Ilori, A. O. A., Shittu, O. S., Ayodele, O. J., Awe, G.O., and Oso, A. O


Biological Nitrogen Fixation and Productivity of Soybean in Maize-Soybean Intercrop under Tillage and Bradyrhizobium Inoculation on Alfisols of Northern Guinea Savanna, Nigeria
Original Research
Pages : 15 - 24
Omeke, J. O. Yusuf, A. A., Uyovbisere, O. E. and Aliyu, I. A


Genotypic Effect of Groundnut on Nodulation, N Fixation and N Balance in The Two Savannahs of Nigeria
Original Research
Pages : 25 - 35
Moji K. T., Jibrin M. J., Umar F. G., and Abubakar U. D.


Vegetative growth and yield response of Amaranthus hybridus to mycorrhizal fungi (Glomus mosseae) inoculation, organic and micronutrient fertilizer application
Original Research
Pages : 36 - 41
Edosa, V.I.O, Ogbemudia, Imasuen E. E, Yaqub A. E, Ogboghodo I. A


Land suitability evaluation for maize production and taxonomic classification of soils overlying undifferentiated basement complex in Northeast Nigeria
Original Research
Pages : 42 - 52
Kefas, P. K, Maigida, E, Ezeaku, V.I, Ofem, K.I, Akwoga, J.A and Ezeaku P.I.,


Effect of different organic composts and inorganic fertilizer on nodulation, nitrogen fixation and grain yields of soybean (Glycine max L.) under field conditions.
Original Research
Pages : 63 - 69
Ogunrewo, O. M.*, Olayinka, A., Taiwo, L. B., Oyedele, O. A.


Micronutrient distribution in soils of Ethiope region of Delta State, Nigeria
Original Research
Pages : 70 - 76
Ojobor S.A


Variability of some soil properties along a toposequence in a basaltic parent material of Vom, Plateau State Nigeria
Original Research
Pages : 77 - 81
Mahmud A. T., Hassan I. M., Shehu B. M. and Samndi M. A.


Effect of Nypa fruticans pruning regime and soil properties on regeneration of Mangrove species (Rhizophora racemosa) in Eastern Obolo, Akwa Ibom State
Original Research
Pages : 82 - 91
Ogban, P. I., Ebong, U. P. & Dickson, U. S.


Soil organic carbon fractions and aggregation of a tropical Alfisol as affected by plant residues
Original Research
Pages : 92 - 101
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.


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
Original Research
Pages : 102 - 110
Adesodun.J. K.1, Udom B. E.2,*, Adekunle A. O.1, Adejuyigbe C. O., Atayese M. O., Olowokere F. A., Mbila M., Oyegoke C. O.


Classification and fertility status of soils on slopes of varying orientations in Umuahia area of Abia State, Nigeria
Original Research
Pages : 111 - 123
Aliba, V.O., Onweremadu E.U., Aririguzo, B. N. and Okoli, N. H.


Restorative effects of amendments on artificially degraded soils in the Southern Guinea Savanna of Nigeria.
Original Research
Pages : 124 - 132
Adaikwu A. O. , Salako F. K., Busari M. A. , and Azeez J. O.