This study evaluated the effects of integrated nutrient management (INM) and tillage practices on cassava growth, yield, and nutrient accumulation on low-fertility Coastal Plain Sand soils in Etinan, Nigeria. Eight fertilizer treatments, including sole inorganic (NPK 15–15–15), s...
Open access
Research Article10.9734/asrj/2025/v9i4214
A field study was conducted to evaluate the effects of organic and inorganic fertilizers, conventional and tillage practices on soil physical and chemical properties in a Coastal Plain Sand soil of Etinan, Akwa Ibom State, Nigeria. The experiment employed a split-plot design in a...
Open access
Research Article10.9734/asrj/2025/v9i4216
This study presents a comparative evaluation of soil fertility and quality of soils formed from different parent materials in Akwa Ibom State, Nigeria. Parent material plays a critical role in the early stages of soil formation, influencing mineral composition, nutrient availabil...
Open access
Research Article10.9734/asrj/2025/v9i4211
Studies on the total and available forms of iron and zinc in some selected soils of Akwa Ibom State were conducted between 2014 and 2015. Twenty-five surface (0-20 cm) composite soil samples formed from alluvia deposits, beach ridge sands, coastal plain sands, sandstones and mang...
Open access
Research Article10.9734/ajsspn/2025/v11i3575
This study examines the effect of iron (Fe) and zinc (Zn) distribution on the growth and yield performance of maize (Zea mays L.) in soils derived from different parent materials in Akwa Ibom State, Nigeria. A total of 25 surface soil samples (0-20 cm) were collected from soils f...
Open access
Research Article10.9734/ajaar/2025/v25i11685