Volume 28 (2018)

1

Research Article

Tillage and Residual Effect of Some Organic Amendments on Aggregate Associated Soil Carbon of an Ultisol, Growth and Yield of Maize and Cowpea Intercrop

Onunwa A.O.^*, Igwe C. A, Mbonu O. A

associated soil carbon (C WSA) and yield of maize and cowpea intercrop in an Ultisol, Southeastern Nigeria. A land area of 0.1125 ha was planted to sole cowpea, sole maize and maize-cowpea intercrop using minimum tillage (NT) and conventional tillage (CT) with poultry droppings (PD), pig waste (PW), and Cassava peels (CP) as amendments at the rates of 20, 90, 100 t/ha respectively and a co...

Dec, 2018 pp. 31-41

2

Research Article

Characterization and Classification of Soils of Jalingo Metropolis, North - East, Nigeria

Osujieke D.N.^*, Obasi N.S., Imadojemu P.E., Ekawa M., Angyu M.D.

The study was aimed at the characterizing and the classifying of soils of Jalingo metropolis in Taraba State, North-East Nigeria. Profile pit was dug on each of the three different sites of the study area as identified using free survey. The profile pits were described and sampled bases on horizon differentiation for laboratory analyses. A total of 10 samples were collected. Data generated were an...

Aug, 2018 pp. 72-80

3

Research Article

Soil Organic Matter and Its Active Pools as Affected by Legume/cereal Cropping Systems Under Some Agronomic Practices in the Derived Savannah Zone of Nigeria

Uzor, I. M^*, Ezepue, G.U.C

Introduction of grain legumes facilitates farmers’ acceptance in adopting legume cropping system. This study evaluated effect of four cropping systems on soil organic carbon (SOC), total vesicular arbuscular mycorrhiza (VAM) spore count, soil microbial biomass carbon (SMBC), soil microbial biomass nitrogen (SMBN) and soil microbial biomass phosphorus (SMBP) within two locations (Nsukka and Moniya)...

Aug, 2018 pp. 139-146

4

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

5

Research Article

Characterization and Erodibility Evaluation of Soils of Wukari Metropolis Northeast Nigeria

Osujieke D.N.^*, Tanimu, J., Osibe, K. O, Angyu M.D.

The study was aimed to characterize and evaluate the erodibility of soils of Wukari metropolis, Taraba State Nigeria. Three profile pits were cited in the study area using free survey technique. Soil samples were collected from profile pits based on horizon differentiation and were subjected to routine laboratory analysis. Data generated were analyzed statistically using the coefficient of variati...

Aug, 2018 pp. 123-130

6

Research Article

Effects of Rice Mill Wastes on Soil Properties in a Rice - Producing State of South - Eastern Nigeria

Ifejimalu, A. C^*

A research was conducted in 2015 and 2016 in Abakaliki, Ebonyi State, South-eastern Nigeria, to determine the effects of heavy dumping of rice mill wastes on soil properties. Samples were collected from soils in Abakaliki rice mill industry. Auger and core samples were collected from Faculty of Agriculture and Natural Resources Management, FARM (control) and at Abakaliki rice milling industry in h...

Aug, 2018 pp. 115-122

7

Research Article

Spatio - Temporal Assessment of Soil Microbial Biomass Carbon Around Industrial Area of Kano Metropolis, Nigeria

Mohammed M. A.^*

The soil microbial biomass carbon (MBC) acts as the transformation agent of the organic matter in soil as such the microbial biomass carbon is both a source and sink of some soil nutrients C, N, P, and S contained in the organic matter. The study is aimed at assessing the seasonal variation of soil microbial biomass carbon in contaminated soil. Ten soil samples were collected in contaminated and c...

Aug, 2018 pp. 109-114

8

Research Article

Effect of Solid and Liquid Tea Compost on the Growth , Yield of Amaranthus Cruentus and Soil Properties in Ekpoma, Delta State.

Dania S. O.^*, Oshokhayamhe B. I, B. I and Uche, A, L.

Improvement of soil nutrient and organic matter contents is essential to enhance the growth and yield of crops. Two seasons experiments were conducted to evaluate the effect of solid and liquid compost on the growth, yield of Amaranthus and soil properties in Ambrose Alli University Teaching and Research Farm, Ekpoma. The treatments (control, compost tea, solid compost) were laid out in Randomized...

Aug, 2018 pp. 102-108

9

Research Article

Soil Organic Carbon Stocking Ability of Some Soils Under Oil Palm (elaeis Guineensis Jacq.) and Rubber (hevea Brasiliensis Muell Arg.) Plantations in Edo State, Nigeria

Ufinomue O.E.^*, Ehis- Iyoha E.

This study evaluated soil organic carbon stock and its relationship with some soil microbial, physical and chemical properties. The soils were Alagba, Orlu, Ahiara and Kulfo series located in two (2) locations within Edo State namely, Nigeria Institute for Oil Palm Research (NIFOR), Benin City, (latitude 06.33’ to 06.47’N, longitude 05.37’E to 05.46’E) and Rubber Research Institute of Nigeria (RRI...

Aug, 2018 pp. 95-101

10

Research Article

Evaluation of Infiltration Models in Soils of Two Land Use Systems in Calabar, Nigeria

Isong I. A.^*, Ogban P. I., Antigha, N.R.B., Okon, P. B.

Recently, the importance of the infiltration process in agriculture and the environment has resulted in an upsurge of interest by soil and water scientists to model the process for quantitative application. A study was conducted on the University of Calabar Teaching and Research Farm, Calabar to evaluate the effect of oil palm (OP) and arable farm (AF) land use systems on the Green-Ampt (GA), Phil...

Aug, 2018 pp. 81-94

11

Research Article

Geospatial Distribution of Some Phosphorus and Potassium Forms as Influenced by Period of Irrigation in the Kano River and the Hadejia Valley Irrigation Schemes, Nigeria.

Dawaki M. U.^*, Haruna K. A., Samndi A. M.

This study was carried out at Kano River Irrigation Project (KRIP) (latitudes 11º 36ʹ 0.05ʺ N to 11º 49ʹ 57.97ʺ N and longitudes 8º 28ʹ 17.02ʺ E to 8º 29ʹ 41.82ʺ E) and Hadejia Valley Irrigation Project (HVIP) (latitudes 12º 17ʹ 48.75ʺ N to 12º 24ʹ 58.28ʺ N and longitudes 9º 51ʹ 31.29ʺ E to 10º 2ʹ17.42ʺ E). The soils are largely deep, well-drained Calcic Luvisols. The aim was to assess the geospat...

Aug, 2018 pp. 1-11

12

Research Article

Micro - Aggregate Indices and Structural Stability of Soils Under Different Management

Udom B. E.^*, Anozie H.

Low water stability of soil micro-aggregates accentuated by increased intensity of cultivation and soil degradation are among the significant issues that draw the attention of Soil Scientists due to their effects on soil physical conditions. The study was carried out to quantify changes in micro-aggregate stability indices of soils on coastal plain sands under contrasting land use and management. ...

Aug, 2018 pp. 66-71

13

Research Article

Effect of Different Slums on Selected Soil Properties in Abakaliki Southeastern Nigeria

Njoku C.^*, Okoro G.C.

A study was conducted at Abakaliki to determine the effect of slums on soil physicochemical properties. Four replicate samples were collected from the four slum locations and control using auger and core for disturbed and undisturbed soil samples, respectively. The soil samples collected were taken to laboratory and analysed for bulk density, total porosity, mean weight diameter, aggregate stabili...

Aug, 2018 pp. 62-65

14

Research Article

Fertility Status of Soils of the Two Major Cocoa Producing Local Government Areas (etung and Ikom) in Cross River State, Nigeria

Attoe E. E.^*

Fertility studies were carried out on the status of Basalt soil of Etung and Ikom Local Government Areas of Cross River State for Cocoa production. Stratified – random sampling technique was used in taking soil samples at 0-25cm and 25-50cm depth at different locations in Etung and Ikom Local Government Areas of Cross River State. Analytical results indicated that the soils in these areas are clay...

Aug, 2018 pp. 53-61

15

Research Article

Effect of Land Use on Soil Physical and Hydrological Properties on Sandstones Parent Material in Akwa Ibom State, Nigeria

Ogban P. I^*, Ibitt E. N.

Knowledge of soil physical and hydrological properties is used by soil scientists, agronomists, hydrologists, irrigation engineers and environmental scientists for developing best management practices for efficient and economical management of soil and water for optimum crop production and designing liquid waste disposal systems. A study was conducted on the sandstone parent material in northern A...

Aug, 2018 pp. 42-52

16

Research Article

Effects of Rice - Bran Compost on Growth and Yield of Soybean (glycine Max) on an Alfisol in Ibadan, Nigeria.

Adegoke J.O^*, Abel O. O., Joseph-Adekunle T.T.

Farmers in the tropical environment face the acute problem of sing mineral fertilizers due to their unsustainable attributes ranging from scarcity and high cost of the material to the adverse effects on tropical soil which resulted to soil acidity and pollution of underground water. This study evaluated the effects of rice-bran compost on the growth and yield of improved variety of soybean on an A...

Aug, 2018 pp. 25-30

17

Research Article

Analysis of the Potential Soil Parent Rock Resources and Ecological Footprint in Jadaka, Kandahar, Kargo, Makada and Sarki Aska Villages of Dutse, Nigeria

S. Usman^*

A study of the parent materials and ecological analysis, covering five sites of Dutse area in Jigawa State, Nigeria was undertaken, applying the concepts of visual assessment and ecological footprint to describe the biophysical condition of the rock particles and human economy. The objectives of the study were to classify the basic parent rocks and ecological footprints around them and to draw con...

Apr, 2017 pp. 12-24