Articles

Browse our published research articles

401 articles
141
Research Article DOI: 10.67042/njss.2017.hmzan0rn

Influence of Velvet Bean Fallow and Compost Amendments on Amaranths (amaranthus Caudatus) Yield and Soil Properties in an Organic Cropping System

AdeOluwa O. O*, A. Bello

One of the major problems bedeviling crop production in many parts of the tropics is low soil fertility status. Thus, this report evaluates the effects of soil fertility improvement by velvet bean fallow and compost, on the yields of amaranth, as well as the post-harvest soil fertility. Green amaranth (Amaranthus caudatus) was used as the test crop. Six fertilizer treatments namely, Ibadan brewery...

Apr, 2017 pp. 53-62 499 views 581 downloads
142
Research Article DOI: 10.67042/njss.2025.bi9e89o6

Using Urea Intercalated Biochar and Organic Fertilizer as Soil Management Option Part 2: Its interactive Effects with Soil Moisture and Compaction on Soil Properties and Carbon Emission

Tijani F. O.*, Adewumi T. M., Abdulraman O. A., Oyebola O. K., Adebayo A. A., Amosun E. O., Oyedele D. J.

Soil response including carbon dioxide emission under the combination of compaction, fertilizer and soil moisture were investigated in a screenhouse. The factorial experiment consisted of two levels of moisture contents (50% and 70% field capacity, FC), three levels of compaction (0, 2 and 4 kg weights) and fertilizer treatments consisted of control, biochar, organic fertilizer + urea (FertC), ure...

Apr, 2025 pp. 54-67 537 views 712 downloads
143
Research Article DOI: 10.67042/njss.2019.rgars39x

Appraisal and Mapping of Soil Salinity and Sodicity Problems in Sector One of Watari Irrigation Scheme, Kano State.

Bashir A.Y*, Samndi A. M., Adam M.A, Moji K.T, Auwal M.

One of the main reasons for the loss of productive land in irrigated fields is the buildup of salinity in the soil. In the watari irrigation Scheme, no systematic ap-praisal and mapping have been made before within the sector. The study area was selected after a reconnaissance survey based on the farmer's complaint about the low production. Global positioning system (GPS) was used to record the co...

Apr, 2019 pp. 54-60 509 views 739 downloads
144
Research Article DOI: 10.67042/njss.2023.m29yi4w1

Effect of Land Use Types on Selected Physical and Chemical Properties of Ultsiols in Umudike, Southeastern Nigeria.

Akinmutimi A.L.*, Ogwuegbu T.U., Ernest U. Eteng

Field experiments were carried out in 2018 and 2019 at the National Root Crops Research Institute Eastern Farm, Umudike, Southeastern Nigeria to examine the different forms of potassium and their contributions toward potassium uptake under ginger production using ginger variety (UG 1) as the test crop. There were seven treatments consisting of sole and combinations of NPK15:15:15, poultry manure a...

Apr, 2023 pp. 55-65 260 views 158 downloads
145
Research Article DOI: 10.67042/njss.2021.wnzo4vyh

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. 55-63 520 views 674 downloads
146
Research Article DOI: 10.67042/njss.2012.zk5musm4

Oyster Shell Compost Effect on Some Physical and Chemical Properties of an Inland Valley Soil

Eneje R. C*, Ukut, A. N.

An experiment was conducted in the Soil Science laboratory of Michael Okpara University of Agriculture, Umudike to investiage the effect of oyster shell composted with goat and poultry droppings on some physical and chemical properties of an inland valley soil. The experiment was 4x3 factorial in a completely randomized design. Soil samples were collected from 0-30cm depth. The treatments applied ...

Apr, 2012 pp. 55-60 481 views 647 downloads
147
Research Article DOI: 10.67042/njss.2013.3nm9xg14

Fertility Capability Classification of Acid Sands (Soils) as Influenced by Parent Materials in Akwa Ibom State, Nigeria

B. T. Udoh*, A. O. Ogunkunle, U. S. Akpan

Fertility capability classification (FCC) was carried out using data obtained from a field survey of acid sands soils in the Niger Delta area of Akwa Ibom State. The soils were studied on the basis of their parent materials, namely, coastal plain sands (CPS), beach ridge sands (BRS), sandstone/shale (SSS) and alluvial deposits (ALD). The result showed that most (60%) of the pedons from CPS had san...

Apr, 2013 pp. 56-66 602 views 784 downloads
148
Research Article DOI: 10.67042/njss.2021.nbl7mhes

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. 57-66 499 views 710 downloads
149
Research Article DOI: 10.67042/njss.2016.sbl9g4m0

Effects of Application of Compost and Inorganic P on Soil Chemical Properties and Maize (zea Mays L.) Growth in an Ultisol.

Ekundayo R . A.*, Olayinka A.

The aim of this study was to assess the effects of separate and combined applications of composted poultry droppings and inorganic P on soil chemical properties and maize (Zea mays L.) growth in an Ultisol. The study was carried out in the screenhouse at Obafemi Awolowo University, Ile-Ife (latitude 70 321 N and 70 331 N and longitudes 40 321 E and 40 401 E). Bulk top soil (0-15 cm) sample was col...

Apr, 2016 pp. 58-67 530 views 592 downloads
150
Research Article DOI: 10.67042/njss.2015.gpynw3up

Profile Distribution of Crystalline and Amorphous Sesquioxides in Talc Overburden Soils of Southern Guinea Savanna Ecology in Nigeria

AJIBOYE G. A.*, Ogunwale J. A., Aduloju M. O.

The stage of development of soils developed over talc overburden in two locations (Ejiba and Odo- Ogbe) within the Southern Guinea Savanna Agro-ecology of Kogi State, Nigeria, were evaluated using the dithionite and oxalate extractable Fe, Al oxides and the ratios of silt: clay and silt: silt +clay of the soils. Soil samples collected from the pedogenic horizons of nine profile pits dug in the two...

Apr, 2015 pp. 58-69 504 views 748 downloads