Articles

Browse our published research articles

389 articles
301
Research Article

Estimating Partial Nutrient Balance Using Nutmon Model in Irrigated Rice - Based Farms of the Nigerian Dry Savanna

Abdulrahman B. L.*, J. M. Jibrin, M. B. Bashir

Soil fertility decline coupled with the failure to conduct soil analysis by the farmers while generating fertilizer recommendations are among the factors that led to low yield especially in the dry Savanna of Nigeria which is characterized by a dramatic increase in population. In this study, the performance of the soils at Bunkure Local Government Area of Kano State that was under irrigation farmi...

Aug, 2018 pp. 131-138 351 views 596 downloads
302
Research Article

Effect of Land Use Type on Organic C, Physical Properties and Stability Indices of Soils in Nanka Area, Southeast Nigeria

Uzoh I .N*, Igwenagu C.M, Obalum S.E

This study was conducted in Ifite-Nanka, Orumba North L.G.A. in Anambra state, Nigeria. The aim of the research was to evaluate the effect of three land use types on soil organic carbon (SOC) and physical properties and to determine the factors that contributed to the stability of the eroded sites. Horizon variability of these soil parameters was also determined. The result showed that Oil palm pl...

Apr, 2019 pp. 133-140 390 views 608 downloads
303
Research Article

Shear Strength and Compaction Characteristics of Termite Mound Soil (TMS)

Manuwa S I*, Olawolu O E

Termite mounds are common features of agricultural landscape of the tropical regions of the world, however, published scientific research on TMS in relation to surrounding soil and possible potential of TMS in agricultural production are scarce. The purpose of this study was to investigate effect of moisture content on compaction and shear strength of TMS with a view to comparing it with the surro...

Apr, 2012 pp. 133-140 417 views 40 downloads
304
Research Article

Shear Strength and Compaction Characteristics of Termite Mound Soil (TMS)

Manuwa S I*, Olawolu O E

Termite mounds are common features of agricultural landscape of the tropical regions of the world, however, published scientific research on TMS in relation to surrounding soil and possible potential of TMS in agricultural production are scarce. The purpose of this study was to investigate effect of moisture content on compaction and shear strength of TMS with a view to comparing it with the surro...

Apr, 2012 pp. 133-140 415 views 71 downloads
305
Research Article

Fertility Management Effects on Soil Physical and Chemical Properties Under Long-Term Maize Cropping in an Alfisol in Northern Guinea Savanna Zone

Eche N .M*, Amapu I. Y, Bruns M.A, Odunze Azubuike Chidowe, Uyovbisere E

Long-term productivity and sustainability of agro-ecosystems has been of great concern in agriculture for decades, hence development of various new approaches designed to maintain and protect soil resources in the Nigeria Northern Guinea Savanna. Intensive cultivation of land requires continuous application of inorganic fertilizers, especially N fertilizers and organic amendments to maintain soil ...

Apr, 2014 pp. 134-146 437 views 698 downloads
306
Research Article

Integrated Nutrient Application Effect on Npk Absorption and Root Yield of Sweet Potato (ipomoea Batatas (l) Lam) in a Tropical Ultisol

N. A. Onunka*, V.E. Osodeke, D. O. Asawalam, C. N. Ebeniro.

A field trial was conducted at National Root Crops Research Institute, Umudike, Abia State Nigeria, in 2004/2005 cropping seasons. The aim was to determine the effect of integration and time of application of two nutrient sources (poultry manure and inorganic fertilizer) on NPK absorption and root yield of sweet potato in an ultisol. Different rates of the two nutrient sources including a control ...

Aug, 2011 pp. 134-141 345 views 580 downloads
307
Research Article

Biofortification of Agricultural Effluents on Translocation and Accumulation of Micronutrients Content in Cucumber (cucumis Sativus) Plants Grown in a Coastal Plain Sand Soil South - South Ecological Zone, Nigeria

Ernest U. Eteng*

The study was conducted to evaluate the effects of agricultural effluents on Cu, Fe, Mn and Zn, partitioned in cucumber plants. Eight treatments, cassava mill effluent (CME), palm oil mill effluent (POME), poultry waste effluent PWE and their combinations were biofortified on cucumber plants. Samples were collected from the amended soils and plant parts (roots, shoots and fruits) and analyzed for ...

Aug, 2022 pp. 136-143 364 views 641 downloads
308
Research Article

Evaluation of Agronomic Performance of Maize (zea Mays L.) Under Different Rates of Npk Fertilizer Application in an Ultisol of Lafia, Nassarawa State

Usman, J.*, Idoga S., Abagyeh, S.O., Ugese, F.D, Ogbu, O.J.

The study was carried out in Lafia, Nassarawa State with the view to determine the optimum fertilizer rate for maize production among the Ultisols. The hybrid maize, Oba super II was used as a test crop while commercial NPK (15:15:15) fertilizer at the rates of 0: 0: 0, 60: 30: 30, 90: 45: 45, 120: 60: 60 and 150: 75: 75 kg/ha representing 0.48, 0.72, 0.96 and 1.20 kg/ha were applied to the hybrid...

Apr, 2019 pp. 136-141 402 views 599 downloads
309
Research Article

Combined Effect of Poultry Manure and Npk Fertilizer on Soil Plant Nutrient Composition and Growth of Rubber

Odeyemi R.T.*, Awodun M.A., OJENIYI STEPHEN OLUSOLA

Because of cost and scarcity associated with the use of chemical fertilizers on rubber and the acidic nature of rubber growing soils in Nigeria, a study was conducted into the effect of poultry manure (PM) and its combination with NPK fertilizer (NPKF) on soil and plant nutrients and growth of rubber seedlings. Six treatments replicated three times on rubber seedlings were the control, NPK fertili...

Aug, 2013 pp. 136-141 396 views 569 downloads
310
Research Article

Effect of Cocoa Pod Husk Based Compost on the Growth, Nutrient Uptake and Dry Matter Yield of Roselle

Kayode C.O.*, Akande M. O., Adeoye G. O, Adekunle A. F., Ogunleti D. A.

A pot experiment was conducted at the Screen house of Federal College of Agriculture, Ibadan to investigate the effect of composts on the growth, nutrient uptake and dry matter yield of Roselle. Three types of compost were produced from cocoa pod husk (CPH), neem leaf (NL) and poultry manure (PM) namely CPH + NL + PM, CPH + NL and CPH + PM. There were fourteen treatments with three replications. T...

Apr, 2013 pp. 136-144 343 views 741 downloads