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Sulphur Contents in Arable Soils from Four Agro-Ecological Zones of Ghana

Author

Listed:
  • Dora Neina

    (Department of Soil Science, School of Agriculture, College of Basic and Applied Sciences, University of Ghana, Legon, Accra P.O. Box LG 245, Ghana)

  • Barbara Adolph

    (International Institute for Environment and Development, London WC1V 7DN, UK)

Abstract

There is limited data on Sulphur (S) contents in arable soils for appropriate fertilizer recommendations in Ghana. Five study areas in a reconnaissance survey (RS), followed by an in-depth study of two areas comprising farms of different durations of cultivation, were investigated for the current total S and sulphate contents. Basic soil properties were measured using standard laboratory procedures. Total S and sulphate contents were determined using LECO instrument dry combustion and HPLC, respectively. The results showed wide variations in total S contents from 31 to 603 mg kg −1 in the Guinea Savannah (GS) zone. The mean trend was Forest > Forest-Transition (F-S) > north Guinea Savannah (nGS) > Deciduous Forest (DF) > south Guinea Savannah (sGS) in the RS sites, with a similar trend in the main study sites. Sulphate contents ranged from 5 to 25 mg kg −1 , constituting 0.8 to 37% of the total S. The mean percent trend was sGS = DF > Forest > nGS > F-S. Soil organic carbon (SOC) was the major predictor of total S along with pedogenic minerals. Total S and crystalline pedogenic minerals predicted the sulphate contents. The results highlight the need for ecologically-based S fertilizer programmes to boost crop yields.

Suggested Citation

  • Dora Neina & Barbara Adolph, 2022. "Sulphur Contents in Arable Soils from Four Agro-Ecological Zones of Ghana," Land, MDPI, vol. 11(10), pages 1-14, October.
    • Handle: RePEc:gam:jlands:v:11:y:2022:i:10:p:1866-:d:949102
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    References listed on IDEAS

    as
    1. Nugun P. Jellason & Elizabeth J. Z. Robinson & Abbie S. A. Chapman & Dora Neina & Adam J. M. Devenish & June Y. T. Po & Barbara Adolph, 2021. "A Systematic Review of Drivers and Constraints on Agricultural Expansion in Sub-Saharan Africa," Land, MDPI, vol. 10(3), pages 1-17, March.
    2. Dora Neina & Eunice Agyarko-Mintah, 2022. "Duration of Cultivation Has Varied Impacts on Soil Charge Properties in Different Agro-Ecological Zones of Ghana," Land, MDPI, vol. 11(10), pages 1-17, September.
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    Cited by:

    1. Dora Neina & Eunice Agyarko-Mintah, 2023. "Differential Impacts of Cropland Expansion on Soil Biological Indicators in Two Ecological Zones," Sustainability, MDPI, vol. 15(10), pages 1-14, May.

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