Research Article

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

Bashir A.Y1*, Samndi A. M.2, Adam M.A3, Moji K.T1, Auwal M.4
1 Department of Agricultural Education, School of Secondary Education (vocational) Federal College of Education (Tech.) Bichi, Kano
2 Department of Soil Science, Bayero University, PMB 3011, Kano, Nigeria
3 Centre for Dryland Agriculture, Bayero University Kano
4 Soil Science Department, Faculty of Agriculture, Kano University of Science and Technology Wudil Kano
* Corresponding author: bashiray@soilsjournalnigeria.com
Published: Apr, 2019
DOI: 10.67042/njss.2019.rgars39x
Pages: 54-60
Views: 482
Downloads: 716

Abstract

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 coordi-nate, and delineate the boundary of the study site. The coordinates of the deline-ated boundary were Geo tagged on Google Image to obtain the image of the study site. Grids of 100 x 100m were superimposed on the Geo tagged image and were used as sampling points. A total of 234 samples were obtained from 160 ha of land for the study, within each grid, four soil samples were collected at a depth of 0 – 20cm, and mixed them into one sample from each grid. The collected sam-ples were processed and analyzed using standard laboratory procedures for salini-ty and sodicity evaluation. Standard methods were followed to measure pH, elec-trical conductivity (EC), and soluble cations. Arc GIS 10.3 was used to map out the varying degree of salinity and sodicity. The extent of the area of the classes and percentage coverage indicated that the non-saline area covers about 28.80% (46 ha) of the total land size. But 25.50% (40 ha) of the sector were slightly sa-line, moderate salinization problem within the sector occupied 34.10% (54.6 ha) of the land area. Only 11.6% (18.6 ha) of the total land size had both salinity and sodicity hazards of the sector with ECe dSm-1 and SAR values greater than 4 dSm-1 and 13, respectively. Based on the findings, the extent of soil salinity and sodicity of the study area revealed that substantial parts were consistently and continuously affected by salinity problem 71.2% (114 ha). Specific proportions of the irrigated land need special attention so as to prevent and control secondary salinization. The sodic soil should be controlled at the earliest before the soil structure is entirely destroyed since only 28.80% (46 ha) is free. The water table control by rehabilitating the subsurface drainage system seems to be the only feasible way to improve the sustainability of the scheme.

Keywords

were used as sampling points. a total of 234 samples were obtained from 160 ha

References

  1. Adamu, G.K (2012). Physio-chemical properties of watari irrigation water, Journal of natural and applied science volume 3 No3.pp 1-7
  2. Adamu, G. K (2013).Quality of Irrigation Water and Soil Characteristics of Watari Irrigation Project. American Journal of Engineering Research (AJER) ISSN: 2320-0847 p-ISSN: 2320-52,on 0936 Volume-02, Issue-03, pp-59-68 www.ajer.us
  3. Akinwumi, A. (2018). President of the African Development Bank (AfDB), Speaking at the seventh African agricultural science week and FARA general assembly in Kigali, Rwanda, 2018. The Cable https://www.thecable.ng
  4. Anderson, J.M., and J.S.I Ingram (1998).Tropical Soil Biology and Fertility: A Handbook of Methods. 2nd Edition, CAB International, Wallingford, UK, pp221.
  5. Asfaw E., Suryabhagavan K.V.,&Mekuria A. (2016). Soil salinity modeling and mapping using remote sensing and GIS: The case of Wonji sugar cane irrigation farm, Ethiopia. Journal of the Saudi Society of Agricultural science.pp1-9
  6. Bower, C.A., and Wilcox, L.V. (1965).Soluble Salts. In: Black, C.A. et al., Methods of Soil Analysis, American Society of Agronomy, Madison, pp933-940.
  7. Brady, N. C., and Weil, R.R, (2002). The Nature and Properties of Soils, 13th Edition. Prentice Hall, Inc., USA.
  8. FAO. (1988). World Agriculture Toward (2000). An FAO Study. N. Alexandratos (ed). London: Bellhaven Press.Soils Distribution properties and management,' pp. 163-176. CSIRO, Australia
  9. FAO (2015).Status of the World's Soil Resources (SWSR).Main Report Food and Agriculture Organization of the United Nations and Intergovernmental Technical Panel on Soils, Rome, Italy.
  10. Global HarvestChoice (2010). Agro-ecological zones of Sub-Saharan Africa. Washington, DC, International Food Policy Research Institute & St. Paul, MN, University of Minnesota.
  11. IITA. (1989). An automated and semi-automated method for soil and plant analysis.manual series. No 7 Ibadan Nigeria
  12. Karaye, M. I. (2002). Evaluation of Soil Erosion in Watari Irrigation Project, Bagwai Kano, Nigeria. A postgraduate Diploma in Agricultural Engineering Thesis, Submitted to the Department of Agricultural Engineering, University of Agriculture Makurdi-Nigeria.
  13. KNARDA. (2014). Kano Agricultural and Rural Development Authority
  14. Martinez-Beltran J, Manzur CL. (2005). Overview of salinity problems in the world and FAO strategies to address the problem.Proceedings of the international salinity forum, Riverside, California, April 2005, pp311–313.
  15. Mohammed D. Garba, U.A and AuduI.(2014). Spatial and Temporal variation of irrigation water quality in the watari irrigation scheme.JORIND 12 (2) pp337-343
  16. Muhammad S., Iqbal, H., Shahid, A. and Zahid, H. (2001).Spatial Variability of Soil Salinity/sodicity and its Effect on Maize Crop Pakistan Journal of Biological Sciences 4 (2): 193-196.
  17. Rhoades, J. D., F. Chnduvi, and S.M. Lesch, (1999). Soil Salinity Assessment: Methods and Interpretation of Electrical Conductivity Measurements. FAO Irrigation and Drainage Paper 57, FAO, Rome.
  18. Shanono, N.J., M.K. Othman, N.M. Nasidi and H. Isma'il (2012).Evaluation of Soil and Water Quality of Watari Irrigation Project in Semi-Arid Region, Kano Nigeria. Proceedings of the 33rd Nigerian Institute of Agricultural Engineers, Vol.33, pp181-186
  19. Slavich, P. G., and Petterson, G. H. (1993). Estimating the electrical conductivity of saturated paste extracts from 1:5 soil: water suspensions and texture. Australian Journal of Soil Research 31, pp73–81
  20. U.S Salinity laboratory staff. (1954). Diagnosis and improvement of saline and alkali soil. (U. S. D. A handbook 60, Ed.). Washington D.C.
  21. Wild A. (2003). Soils, land, and food: managing the land during the twenty-first century. Cambridge, UK: Cambridge University Press.
  22. Ya'u, S. L., Manasseh, E. A., and Sharifai, A.I. (2014). Land evaluation for improved rice production in watari irrigation project Kano state, Nigeria. Bayero Journal of Pure and Applied Sciences, 7(1):pp116 – 120.
How to Cite

A.Y, B., M., S. A., M.A, A., K.T, M., & M., A. (2019). Appraisal and Mapping of Soil Salinity and Sodicity Problems in Sector One of Watari Irrigation Scheme, Kano State.. Nigerian Journal of Soil Science, 29(2), 54-60. https://doi.org/10.67042/njss.2019.rgars39x

B. A.Y, S. A. M., A. M.A, M. K.T, and A. M., "Appraisal and Mapping of Soil Salinity and Sodicity Problems in Sector One of Watari Irrigation Scheme, Kano State.," Nigerian Journal of Soil Science, vol. 29, no. 2, pp. 54-60, April 2019. doi: 10.67042/njss.2019.rgars39x

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