Volume 31 (2021)

1

Research Article

Parametric and Non - Parametric Suitability Evaluations of Rice Soils of Asu River Group Parent Materials in Ohaozara, Nigeria

Obasi S. N.^*, Obasi C. C., Okorie A. P

The study was carried out in Ohaozara Southern Ebonyi State in Southeastern Nigeria. Study area was identified in a rice soil of about 120 hectares used for FGN/IFAD Value Chain Development program (VCDP). Three profile pits were dug on a transect line of about 100 – 200m apart for suitability evaluation study. The aim of the study was to use parametric and non – parametric suitability evaluation ...

Dec, 2021 pp. 25-31

2

Research Article

Influence of Land Use on Soil Physiochemical Properties in Semi - Humid Nsukka Area of Southeast - Ern Nigeria

Umeobi E. C^*, , Ezeaku, P.I., Umeugokwe C. P, Ezeaku, V. I

The influence of four land uses (cultivated arable land, grassland, oil palm planta- tion and rubber plantation) on physical and chemical properties of coarse- textured acid soils was assessed in the semi-humid Nsukka area. Soil auger and core samples were used to achieve surface sampling at the depth intervals of 0-20 and 20-40cm in each land use type. Four diagnostic horizons were identified and...

Dec, 2021 pp. 6-17

3

Research Article

Effect of Water Depth on Four Varieties of Rice in Jangwa Flood Plains, Awe Local Government Area of Nassarawa State, Nigeria

Azagaku E.D.^*, Usman J, Ogbu O. J,

A pedological study was carried out on some low-lying land area referred to as Jangwa flood plains with a view to characterized and evaluate the effect of three (3) flood levels namely: toeslope, medium and levee flood levels on growth and yield of four (4) varieties of rice (Faro 44 maturing, FARO 52 and L-19 (FARO 60), medium maturing and late FARO 15 maturing) grown in the area.Field trialsand ...

Dec, 2021 pp. 131-142

4

Research Article

Effects of Conservation Tillage, Phosphorus and Variety on Selected Soil Physical Properties and Cowpea Productivity at Minna in Nigeria’s Southern Guinea Savanna

Odofin, A.J^*, Okpoho, N.A., Bala A.

This study was conducted to evaluate the influence of conservation tillage, inorganic phosphorus fertilizer and variety on soil physical properties and cowpea productivity at Minna in the Southern Guinea Savanna of Nigeria. Three tillage practices (zero, reduced and ridged), three phosphorus rates (0, 30 and 60 kg P2O5 ha-1) and three cowpea varieties (IT93K-452-1, IT99K-573-1-1 and IT90K-277-2) w...

Dec, 2021 pp. 114-122

5

Research Article

Quantification of Soil and Nutrient Loss Due to Yam Harvesting: a Case Study in Two Local Government Areas in Benue State, Nigeria

Victor Manna Samson^*, Kumawuese Mercy Ityavnongo

Soil loss due to crop harvesting is a recognized erosion process which has significantly contributed to soil degradation. Despite its significance, soil loss due to crop harvesting has been given little attention in Benue state and Nigeria at large. This is evident in the paucity of information on soil loss due to crop harvesting in Nigeria. Therefore a field experiment was conducted to quantify s...

Dec, 2021 pp. 42-47

6

Research Article

Physical and Chemical Characterization of Some Selected Soils in University of Maiduguri, Borno State Nigeria

Ibrahim Babagana Buji^*, Adamu I., Magaji M J, Hayatu N. G, Zubairu A M, Hannatu J., Murtala Bawa Sharu

A semi-detailed survey was conducted to characterize some physical and chemi- cal properties of soils of Teaching and Research Farm University of Maiduguri, Borno State. Three sites were selected on the basis of land forms and surface tex- ture and their description were taken using two soil profile pits at each sites. The soils collected were subjected to laboratory analysis using standard proced...

Dec, 2021 pp. 32-41

7

Research Article

Assessment of the Effect of Abattoir Effluent on Soil Properties Cultivated with Flint Maize

Abhanzioya, M. I.^*, James, T .V

The assessment of abattoir effluent on the physicochemical and microbiological properties of the soil cultivated with flint maize was conducted in the Teaching and Research Farm of Ambrose Alli University, Ekpoma. The experiment was a randomized complete block design (RCBD) with five levels of abattoir effluent (0, 32 x 103, 64 x 10 3, 96 x 103, 128 x 103L/ha) and each was replicated three times. ...

Dec, 2021 pp. 48-56

8

Research Article

Effect of Slope Positions on Properties of Soils of Some Forest Reserves in South - West Nigeria

Alabi, K. O.^*

Topography has an influence on soil erosion and consequently on the properties of soils. The effect of slope position on soil properties is of great importance in soil suitability assessment. This study assessed the effect of topographic position on the characteristics of soil of basement complex rocks derived soils under Teak (Tectona grandis) and Gmelina (Gmelina arborea) plantations in Osun sac...

Dec, 2021 pp. 18-24

9

Research Article

Effect of Neem Tree Canopy (azadirachta Indica) on Some Selected Physical Properties of Soils in Kano University of Science and Technology Teaching and Research Farm, Gaya

Abdullahi Ibrahim Adam^*, Bassam Abdulrahman Lawal

The large-scale plantation of Neem trees have been used in the Sudan and Saheli- an region of Nigeria to combat desertification, deforestation, soil erosion, and reduce excessive global warming. The research was aimed to investigate the ef- fect of Neem tree canopy (Azadirachtaindica) on soil Bulk density and soil poros- ity in Kano University of Science and Technology Teaching and Research farm, ...

Dec, 2021 pp. 1-5

10

Research Article

Cowpea (vigna Unguiculata [l] Walp) Response to the Application of Npk Fertilizer in a Ferric Luvisol

Obianuju Chiamaka Emmanuel^*, Olayiwola Akin Akintola, Dorcas Tinuka Ezekiel-Adewoyin, Francis Marthy Tetteh

This study evaluated the response of cowpea to nitrogen (N), phosphorus (P), and potassium (K) fertilizer applications in a ferric luvisol of the Guinea Savanna zone of Ghana, West Africa. The treatments were arranged in a randomized complete block design with 4 replications and carried out in two seasons. Performance of Omondaw cowpea variety was evaluated at different combinations of Nitrogen (0...

Dec, 2021 pp. 105-113

11

Research Article

Effects of Litter Quality and Decomposition Rate of Some Agroforestry Species on Soil Properties in Rivers State University Campus

Mgbonu Kelechi^*, Zarma Adamu, Ogori Joeguluba, Wenibo Andrew

The effect of litter quality and decomposition rate of some agroforestry species on soil properties found in the main campus of Rivers State University, Port Harcourt, Nigeria was investigated. Litters from Masquerade tree, gmelina and teak were collected and their chemical composition determined. Twenty-five grams (25 g) of each leaf litter was placed in a nylon litter bag and buried shallowly wi...

Dec, 2021 pp. 87-94

12

Research Article

Review of Various Studies of Tillage Practices on Some Soil Physical and Biological Properties

Nabayi, A.,^*, Girei, A. H., Mahmud A.T, Onokebhagbe, V. O., Yusif, S.A.,, Santuraki, H.A., Nzamouhe M

The objective of this paper was to review the various studies of tillage practices effects on some selected soil physical and biological properties from 2000 to 2021 and summarise the findings. The findings of the review indicated that generally, No-tillage (NT) systems have greater benefits than the conventional tillage systems under various soil, environmental, and management conditions. These b...

Dec, 2021 pp. 95-104

13

Research Article

Land Adaptation Strategies Across the Rain - Fed Agricultural States as Climate Change Persists

Towolawi, A.T.^*, Oguntoke, O., Bada, B.S, Adejuwon, J.O.

Acquisition of land for farming activities is hitting hard on the interested small\u0002scale farmers in Nigeria while the available land faces climate change influenced degradation. This current research verified how farmers are coping across four rain-fed (Benue, Edo, Ondo and Niger) states using 1600 copies of pretested questionnaire administered through the multistage procedure. The retrieved ...

Dec, 2021 pp. 67-76

14

Research Article

Biochar and Composted Poultry Manure Causes on Immobilization and Migration of Heavy Metals in Maize Plants Beside a Mining Site.

Okoro, I. G.^*, Nwachukwu, O. I

Mining sites in Amagu-Enyigba Ebonyi state Nigeria have deposits of heavy metals especially lead and zinc. Most crops grown in such sites are always hyperaccumulators of these metals. It is against this backdrop that the present study was conducted. The study aimed to ascertain the effect of biochar and composted poultry manure in immobilizing metals in the soil and subsequent reduction in maize u...

Dec, 2021 pp. 123-130

15

Research Article

Local Soil Classification [Soil Association/Soil Slope–Soil Series], World Reference Base, and Usda Soil Taxonomy: Roles in Soil Survey Execution.

Okusami, Temitope A.^*

The objective was to do a comparative assessment of the best roles of three classification systems, [the “USDA-Soil Taxonomy”, the “World Reference Base (WRB)”, and the presumably Soil Association/Soil Series Concept of Nigeria] in the Soil Survey execution from Soil Mapping through to Soil Survey Report. In this instance, the concern of this paper is mostly what is best applicable when mapping le...

Dec, 2021 pp. 77-86

16

Research Article

The Effect of Rice Husk Dusts Treated with Urine on Soil Fertility Status and Yield of Upland Rice in Abakaliki, Southeastern, Nigeria

Igboji P O^*, Onyibe, C.E

To enhance nutrient release by rice husk dust, it was treated with human urine, swine slurry and water, with an untreated rice husk dust and control (no rice husk dust) as standards. These treatments were laid out in the field in a Randomized Complete Block Design (RCBD) replicated four times. The result shows that human urine decomposed material recorded pH of 5.89 (medium acid), total organic ca...

Dec, 2021 pp. 57-66

17

Research Article

Comparing the Effect of Biological Amendments and Chemical Fertilizer on Bacterial and Fungal Population

Edosa, Ifeyinwa Valerie1^*, Aleladia B. O, Osarhiemen, V. O.

Amelioration of degraded soils has triggered interest regarding alternatives to supply nutrient and improve microbial diversity through the integrated use of organic manure and biofertilizers. In this light, a screenhouse experiment set in a completely randomized design (CRD) with seven (7) treatments, Bacillus thurin- giensis (5 ml), digestate (22.4 t ha-1), 50% of digestate + NPK 15:15:15 (11.2 ...

Aug, 2021 pp. 10-15

18

Research Article

Effect of Different pH Levels on Adsorption and Desorption of Pb in Contrasting Parent Materials of South Eastern Agro Climatic Zone of Nigeria

Nkwopara, U. N.^*, Onwudike S,U., Ihem, E.E, Osisi A. F, Egboka, N.T

Lead adsorption and desorption at different pH levels in acid soils of diverse par- ent materials were evaluated. The soil samples were collected from soils under- lain by olivine basalt (Ikom), coastal plain sands (Ihiagwa) and false bedded sandstone (Ishiagu). The collected samples were air -dried, crushed, sieved with a 2 mm sieve and analyzed in the laboratory. The adsorption of lead (Pb) incr...

Aug, 2021 pp. 102-108

19

Research Article

Properties and Sustainable Management of the Inland Wetland Soils for Efficient Rice Production in Southern Guinea Savanna Zone of Nigeria

Ogbu O. J,^*, Usman, J., Orohu T. O, Onah J.E.

A pedological study was carried out on some inland wetland soils of Obukiyo, Oju Local Government Area of Benue State, Nigeria to identify their properties and suggest sustainable management practices for the soils. The grid method of soil survey was employed in the field to investigate the morphological and physicochemical properties of the soils. Four soil units were identified on the field base...

Aug, 2021 pp. 94-101

20

Research Article

Characterization and Identification of Contemporary Diagnostic (b) Horizons of Some Soils in Ideato North Local Government Area of Imo State Southeastern Nigeria

Onyekanne, C. F.^*, Uzoh I .N, , Ezeaku, P.I., Akamigbo, F.O.R.

Most soils in Nigeria have not been characterized and classified based on diag- nostic B horizon and identification of diagnostic B horizon is essential in the study of soils. As a result, this study was carried out to characterize and classify these soils with special emphasis on the identification of diagnostic B- horizons. A free survey method was employed to locate the representative profiles....

Aug, 2021 pp. 76-86

21

Research Article

Dynamics in Physico–chemical Properties of Soils Under Oil Palm Plantations of Different Ages

Olufemi Adewale Osinuga^*

This research investigated the changes in the physicochemical properties of soils under oil palm plantations of different ages. Soil surface (0-20 cm) and subsurface (20-40 cm) samples have been obtained from various ages of oil palm plantations (0-5, 5-10, 10-15 and, 15-20 years). Two distinct samples were taken on the same farm, under alleys and heaped pruned fronds. Soil samples used as a stand...

Aug, 2021 pp. 118-124

22

Research Article

Effect of Water Depth on Eight Varieties of Rice in Obukiyo, Oju Lga of Benue State, Nigeria

Ogbu O. J^*, Usman, J., Afatar S., Ojowu J.A

Water depth has been described as one of the most important environmental factors determining the growth and yield of rice. Different rice varieties respond differently to various water levels. Three (3) naturally existing water levels (5cm, 10cm and 15cm) at Obukyo Oju Local Government Area of Benue State were studied to evaluate their impact on eight varieties of rice (FARO 15, 37, 44, 52, 57, 6...

Aug, 2021 pp. 64-75

23

Research Article

Variability of Micronutrient Status and Hazard Potential in Soils of Six Mapping Units Within Eastern Part of Kogi State, Nigeria

Ukabiala, M.E, Uzoh I .N^*, Kolo J., , Ezeaku, P.I., Akamigbo, F.O.R.

Micronutrient imbalance in some soils is a major challenge for cultivation of crops. Hence the need to assess their status and variability in agricultural soils. The aim of this research was to assess the micro-nutrient status, variability and hazard potential in some soils within eastern part of kogi state of Nigeria. Six mapping units, 2a, 17a, 19a, 19c, 21b and 22b from soil map of Nigeria, whi...

Aug, 2021 pp. 55-63

24

Research Article

Heavy Metal Pollution of Dumpsite Soil of Kogi State University, Ayangba

Agboola K.^*, Wahab A. A., Aina O. A, Ameh E. A

The research aims to assess the local addition of selected heavy metals (Pb, Cd, and Cu) when dumpsite soil is used as a soil amendment and the ability of Amaranth (NH536–1) to phytoremediate the soil. It was a pot experiment conducted at Kogi State University's Faculty of Agriculture in Ayangba. The soil samples were collected from a dumpsite and arable soil. The dumpsite soil application to the ...

Aug, 2021 pp. 51-54

25

Research Article

Soil Mapping, Classification and Morphological Characteristics of the University of Benin Land

Okunsebor, F.E.^*, Umweni A. S.

This study was conducted to map, and classify the soils of University of Benin Teaching, Research and Integrated Farm site. Rigid grid soil survey method at an intensive scale was done on a 62-hectare land that produced seven mapping units. In each mapping unit, a representative pedon was sunk, described and sampled. Soil samples were analyzed using standard methods. Data generated were ana- lyzed...

Aug, 2021 pp. 32-40

26

Research Article

Soil Vulnerability and Degradation Assessment of Mountainous Area in Ekoli - Edda, South - East Nigeria

Ekpe, I I^*, Oludare C. G,, Oti, N.N, Ishiusah O. W,, Egboka, N.T, Orji A., Nwankwo V.C.

Soil vulnerability and degradation assessment of the mountainous area in Ekoli-Edda, South-East Nigeria was carried out on four experimental sites namely Egu, Ugwuelu 1, Ugwuelu 2, and Ocha. The slope of each study site was divided into three namely summit, mid-slope, and foot slope, and slope attributes were measured. Two profile pits were sunk equidistance apart at each of the slope positions an...

Aug, 2021 pp. 25-31

27

Research Article

Evaluation of Soils on a Toposequence Formed from the Coastal Plain Sands of the Imo River Basin, Southeastern Nigeria

Madueke, C.O^*, Nnabude, P.C., Okore, I.K, Onunwa A.O., Madueke, E.C, Okafor, M.J, Nnabuihe, E, Nwosu, T.V

Due to the increasing land degradation in southeastern Nigeria – with particular reference to the ubiquitous gully network in the region – selected soils formed from the Coastal Plain Sands of the Imo River Basin were evaluated and char- acterized to determine their potentials and capabilities. , Three profile pits were consequently dug on the upper slope (Umuariam), -mid-slope (Umulogho), and foo...

Aug, 2021 pp. 1-9

28

Research Article

Soil Erosion Risk Assessment: a Case Study of the Jos Plateau, Nigeria

Ayodele Owonubi^*

Soil erosion is a treat to global food security. The objective of this study was to evaluate factors influencing erosion on the arable lands of the Jos Plateau, and to estimate the extent of soil erosion in the area. Universal Soil Loss Equation (USLE) model was used to evaluate soil erosion processes in the study area. This was facilitated with the aid of Geographic Information System Both for In...

Aug, 2021 pp. 109-117

29

Research Article

Decomposition of Entandrophragma Cylindricum Tree Prunings in Agroforestry System in Onne, Rivers State

Koyejo, A.O^*, Koyejo, O.A, Olatidoye, O.R, Adetunji, A.S.

A study was conducted at Swamp Forest Research Station, Onne, Forestry Research Institute of Nigeria, to evaluate the rate of decomposition of E. cylindricum tree prunings. The experiment was a 2x8 factorial in a randomized complete block design with three replications. The first factor comprises two placement methods (surface-placed and soil-incorporated) and the second factor comprises eight biw...

Aug, 2021 pp. 87-93

30

Research Article

Soil Survey and Land Capability Evaluation for Sustainable Crop Production in Abocho, Dekina Local Government Area of Kogi State

Adesemuyi E.A^*, Ichigboja, David, Chukwu, G. O., Olayinka Ojetade

A survey of soils of Abocho, Dekina Local Government Area of Kogi State, was conducted to characterize, classify and assess the potentials of the soils for sustainable crop production. The area was reconnoitered and three representative profile pits were dug and described according to international procedures and standard methods. Soil samples were analyzed for their physical and chemical properti...

Aug, 2021 pp. 16-24

31

Research Article

Effect of Time of Seed - Bed Preparation on Soil Properties and Performance of Water Yam in Owerri Southeast, Nigeria

Ekpe, I I^*, Oti, N.N, Ishiusah O. W,, Egboka, N.T, Nwankwo V.C., Iheka, W. C, Aguwa, O U, Orji A.

Field experiment was conducted between the months of February and November, 2016 to evaluate the effect of age of seed-bed preparation on soil properties and performance of water yam in Owerri, southeastern Nigeria. Treatments consisted of four time of seed-bed preparations namely 0, 3, 6, and 9 weeks intervals, laid out in a randomized complete block design (RCBD) with three replications. Se- lec...

Aug, 2021 pp. 41-50

32

Research Article

Maximum Phosphate Adsorption Capacity as Influenced by Some Biochar Properties

Abdu N^*, Solomon, R. I., Yusuf, A. A, Bello M.

The use of biochar as a low-cost adsorbent to remove nutrients from aqueous solutions is getting great attention lately due to its many environmental applica- tions and benefits. Although biochar has been widely used to remove phosphate from aqueous solutions, inconsistencies still exist with regards to biochar proper- ties responsible for the adsorption process. This research was therefore, carri...

Apr, 2021 pp. 93-99

33

Research Article

Evaluation of Lower Niger River Floodplain Soils of Bayelsa State, Southern Nigeria for Their Agricultural Capabilities

Achimota A. Dickson^*, FunsoR. Kutu, Joseph Aruleba

Capabilities and fertility constraints to crop production of the Lower Niger River floodplain soils were assessed using Land Capability Classification (LCC), Land capability Index (LCI), and the Fertility Capability Classification (FCC) systems. The LCC grouped the nine soil mapping units (SMUs) into class II, suited for a wide range of arable crops while LCI grouped ELM1 into class I, ODN1 and TF...

Apr, 2021 pp. 100-117

34

Research Article

Agronomic Potentials of Boiler Ash Derived from Oil Palm Wastes as Fertilizer, Soil Amendment, and Liming Materials

Ezema Raymond Anikwe^*, Asadu Charles Livinus, N. A. Onunka, Ifejimalu, A. C

One potential problem with recycling power plant ashes is its variability both from fuel to fuel and within a certain fuel-type. This study obtained information on the main components of ashes derived from burning oil palm mill wastes in boilers for energy generation to obtain reference data for the development of its utility possibilities with particular emphasis on use as fertilizer, soil amendm...

Apr, 2021 pp. 118-123

35

Research Article

Characterization and Classification of Rice - Growing Soils on Igbaku Sandstones Residua and Current Suitability for Rice Production in Anambra State, Eastern Nigeria

Asadu Charles Livinus^*, Onyeme E

"The soils on Igbaku sandstones residua were sample at Ifite Ogwari in Anambra state Nigeria to characterize, classify and evaluate their current suitability for rice production. Following several auger borings, a modal profile was sited dug, de- scribed and sampled. Data from it and representative auger points are presented. The soils generally belong to loamy textural classes or finer, especiall...

Apr, 2021 pp. 70-76

36

Research Article

Mineralogical Investigation of Some Imperfectly and Poorly Drained Soils of the Nigerian Northern Guinea Savanna Agroecology

Abdulrashid Shobayo Babatunde^*, Sulaiman Yau Lawan, Aliyu, J.,

This study aimed to investigate the mineralogy of soils with impaired drainage formed within the northern guinea savanna of Nigeria. Soil survey procedure was carried out to identify the two soil individuals (polypedon) namely: imperfectly drained soil (IDS) and poorly drained soil (PDS) that occupied 6,407.68ha (90.96%) and 636.82 ha(9.04%) respectively. In each soil individual, a repre- sentativ...

Apr, 2021 pp. 44-51

37

Research Article

Effect of Trichoderma Inoculated Organic Manure on Water Retention Characteristics of Two Texturally Contrasting Soils in Nsukka, Southeastern, Nigeria

Azuka, C.V.^*, Oka, S. C

The effect of Trichoderma inoculated organic manure on water retention charac- teristics of two texturally contrasting soils was investigated in the glasshouse of the Department of Soil Science, University of Nigeria, Nsukka. The study in- volved two texturally contrasting soils, sandy loam (SL) and loamy sand (LS) amended with poultry manure (PM) at three rates (10 t/ha, 20 t/ha and 30 t/ha) and ...

Apr, 2021 pp. 85-92

38

Research Article

Lowland Rice Yield Responses to Variation in Water Management in a Sudan Savannah Soil of Nigeria

Girei, A. H.^*, Nabayi, A.,, Amapu I. Y, Mudiare, O. J, Abdulkadir, A .

This study investigates the applicability of reduced water management (alternate wetting and drying AWD) practice alongside continuous flooding (CF) which is the traditional water management practice of lowland rice production in Sudan savanna ecological zone of Nigeria. Rice growth component variables from each of the management practice were compared to identify the best in terms of re- duced nu...

Apr, 2021 pp. 124-129

39

Research Article

Effect of Nypa Fruticans and Mangrove Species on Soil Properties in Eastern Obolo, Akwa Ibom State

Ogban P. I.^*, Dickson, U. S, Ebong, U. P

The study was conducted to evaluate the effect of nypa and mangrove on soil properties to determine whether nypa in displacing mangrove was degrading or aggrading the underlying soil, in Okorombokho Community in Eastern Obolo Area of Akwa Ibom State. The study was carried out in three contiguous loca- tions, namely, mangrove (M) forest, nypa and mangrove (N&M) forest, and bare plot with neither ma...

Apr, 2021 pp. 77-84

40

Research Article

Magnetic Susceptibility and Heavy Metal Contamination in Farmland Soils of Mangu Area, Plateau State, Nigeria

Akanbi, E.S.^*, Godfrey B.T, Izam M.M.

Magnetic susceptibility measurements of soil samples collected at depths 0, 15, 30, and 45cm from thirty-three different farmlands within the study area were made using MS2G Sensor connected to Bartington MS 2 susceptibility meter. The concentration of heavy metals in thirty-three soil samples and most used fertilizers in the study area was determined using a flame atomic absorption spec- trophoto...

Apr, 2021 pp. 52-60

41

Research Article

Fertility Status of Biakpan Rubber (hevea Brasiliensis) Soils of Cross River State, Nigeria

Kekong, M. A.^*

A study was carried out at Biakpan rubber estate in Cross River State, Nigeria to evaluate the fertility status of the soils. Three profile pits at random points within the estate were sunk representing the crest, the middle slope, and the valley bot- tom. Five samples were collected from each profile at 0 – 25cm, 25 – 50cm, 50 – 75cm, 75 – 110cm and 110 – 170cm depth. Fifteen representative soil ...

Apr, 2021 pp. 20-24

42

Research Article

Growth and Yield Response of Maize to Different Nitrogen and Phosphorus Rates in Yola, Nigeria

Kwaghe, E.J.^*, Gungula, D

Field studies were conducted during the 2000 and 2001 cropping seasons at the University Research Farm, Federal Universality of Technology, Yola to evaluate the response of maize (New Kaduna White) to different N and P rates in Yola, Nigeria. The study was a factorial type fitted in a Randomized Complete Block Design (RCBD) consisting of 8 treatments replicated three times. The treatments were fou...

Apr, 2021 pp. 61-69

43

Research Article

Influence of Forms of Iron and Manganese Oxides on the Physical and Chemical Properties of Soils Formed Over Mica - Schist in a Northern Guinea Savanna, Nigeria

Kefas, P. K^*, Abdulrashid Shobayo Babatunde, Ofem, K.I, Akwoga, J.A, Asadu Charles Livinus, , Ezeaku, P.I.

Three forms of oxides of iron and manganese were evaluated on soils developed in mica-schist lithology within the basement complex formation of Taraba State, North-eastern Nigeria. The results from the three oxide forms namely, pyrophos- phate extractable (Mnp/Fep), oxalate extractable (Mnox/Feox) and citrate- bicarbonate-dithionite extractable (Mnd/Fed) examined were subjected to both descriptive...

Apr, 2021 pp. 25-35

44

Research Article

Impact of Land Use Types and Soil Depths on Selected Soil Properties in Igboora, Nigeria

Olla N O^*, Babajide P A, Bello W B, Ogunjinmi S O, Alabi A S, Busari O M, Olowofela A. C, Hamzat T. N

This study was carried out to evaluate the impacts of land-use types at different sampling depths on some selected soil properties within the Oyo State College of Agriculture and Technology, Igboora, Nigeria. The different land-use types were a woodlot, Cajanus cajan plot, nursery plot, vegetable plot, and cassava plot. Soil samples were collected from the land-use types at two depths (0-20 cm- to...

Apr, 2021 pp. 15-19

45

Research Article

Influence of Sesame Varieties and Fertilizer Levels on the Yield of Sesame in Potiskum, Yobe State - Nigeria

Usman, M.^*, A. Ali, Olatunji O

Field experiments were carried out in 2018 and 2019 cropping seasons to deter- mine the influence of sesame varieties and fertilizer levels on the yield of sesame in the study area. Treatments consisted of three varieties of sesame (Jigida, NCRIBEN-01M and NCRIBEN-032) and four levels of NPK 15:15:15 fertilizer (0, 50,100 and 150 kg ha-1). Treatments were laid out in a randomized complete block de...

Apr, 2021 pp. 36-43