Akpan U. Impact of Land Use Systems and Parent Materials on Soil Quality Indicators in Soils of Akwa Ibom State, Nigeria: Impact of Land Use Systems and Parent Materials on Soil Quality Indicators in Soils of Akwa Ibom State, Nigeria. AEXTJ [Internet]. 2018 Apr. 25 [cited 2024 May 5];2(01). Available from: http://www.aextj.com/index.php/aextj/article/view/59