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DOI: 10.23977/erej.2022.060212 | Downloads: 5 | Views: 106


Orodu Victor Enearepuadoh 1, Karigidi Adenike Faith 1


1 Department of Chemical Sciences, Faculty of Science, Niger Delta University, Wilberforce Island, Amassoma, P.M.B. 071, Bayelsa State, Nigeria

Corresponding Author

Orodu Victor Enearepuadoh


Soil samples were used to assess the quantities of accessible phosphate, nitrate, and sulphate. A range of sites and depths were used to collect samples. At various depths, samples were obtained with an auger (from 10 cm to 30 cm). A standard spectrophotometer was used to detect NO3-, SO42-, and PO43- in soil samples and controls at 470nm, 420nm, and 660nm, respectively. Using Microsoft Excel, the mean and standard deviation of the soil samples tested in various batches were computed. A one-way ANOVA was used to examine the significant difference between the samples and the control with a probability of 0.05 acceptance. The findings showed nitrate (2.74ppm–6.60ppm), sulphate (2.93ppm–5.86ppm), and phosphate (0.45ppm–2.60ppm) ranges for both farmlands and control in the Tombia and Gbarantoru communities. These nutrients' concentrations were found to be below standard, and fertilizer application is recommended to increase nutrient availability in farmlands.


Anions, Nutrient, Soil, fertilizer


Orodu Victor Enearepuadoh and Karigidi Adenike Faith, EVALUATION OF NITRATES, SULPHATES AND PHOSPHATES LEVELS IN SOIL OF TOMBIA AND GBARANTORU FARMLANDS IN YENAGOA L.G.A, BAYELSA STATE, NIGERIA. Environment, Resource and Ecology Journal (2022) Vol. 6: 95-109. DOI:


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