Assessment of Temporal Variability of Soil and Water Salinity in the Saline Prone Vicinity of Bangladesh

Rabeya Begum Raba¹, Tapan Kumar¹, Ram Proshad¹, Tapos Kormoker^2, , Bidhan Chandra Saha³ and Mohammed Mahmud Kahn²

¹Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh

²Department of Emergency Management, Patuakhali Science and Technology University, Dumki, Patuakhali, Bangladesh

³Department of Agriculture Education, Muktizoddha Memorial College, Kalapara, Patuakhali, Bangladesh

Cite this paper:
Rabeya Begum Raba, Tapan Kumar, Ram Proshad, Tapos Kormoker, Bidhan Chandra Saha and Mohammed Mahmud Kahn. Assessment of Temporal Variability of Soil and Water Salinity in the Saline Prone Vicinity of Bangladesh. Journal of Environment Pollution and Human Health. 2017; 5(3):99-103. doi: 10.12691/jephh-5-3-4

Abstract

Salinity intrusion is a concerning issue in the coastal vicinity of Bangladesh. This study was conducted to investigate the variability of soil and water salinity at Paikgachha upazila of Khulna district in Bangladesh. Soil samples were collected from inside and outside polder of Bhodra river of Paikgachha upazila and some selected crop fields. Water samples (Deep tube-well water and pond water) were collected periodically from different locations and sites of Paikgachha upazila. The soil and water samples were analyzed for pH and electrical conductivity (EC). Soil pH was determined by using a glass electrode pH meter. Soil EC was measured in soil-water suspension (1:2 and 1:5) using EC meter. The pH of water samples was determined by using pH meter. The EC of collected water samples was determined by inserting the probe of EC meter to the saline water. The findings of the study reveal that polder had a remarkable effect on soil pH, showing that inside polder soil pH value ranged from 5.09-6.58 and outside polder, the pH varied from 7.61-8.14. The EC value recorded at 1:5 soil-water suspension was always lower than that noted at 1:2 soil-water suspension, which was, although not proportional, as due to the dilution effect. Soil pH value of some crop field soil ranged from 4.98 to 7.39. The EC (1:2 soil-water ratio) value varied within a wide range from 2.02 to 14.65 dS/m and these values from 0.49-5.74 dS/m when EC was measured on 1:5 soil-water ratio. The pH value of pond water ranged from 7.07 to 7.90. The EC value varied within a wide range from 0.91 to 33.55 dS/m. The pH value of deep tube-well water ranged from 7.20 to 7.44. The EC value varied within a wide range from 3.38 to 8.87 dS/m. Therefore, this study will provide a better understanding of the temporal variability of soil and water salinity in the saline prone vicinity of Bangladesh.

Keywords:
soil salinity water salinity variability Bangladesh

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References:

[1]	Nicholls, R.J., Wong, P.P., Burkett, V.R., Codignotto, J.O., Hay, J.E., McLean, R.F., Ragoonaden, S. and Woodroffe, C.D. Coastal Systems and Low-Lying Areas. In: Parry, M.L., Canziani, O.F., Palutikof, J.P., van der Linden, P.J. and Hanson, C.E., Eds. “Climate Change 2007: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change”. Cambridge University Press, Cambridge, 315-356. 2007.
[2]	Baten, MA., Seal, L., and Lisa K. “Salinity Intrusion in Interior Coast of Bangladesh: Challenges to Agriculture in South-Central Coastal Zone”. (June), pp.248-262.2015.
[3]	MoA, FAO. “Master Plan for Agricultural Development in the Southern Region of Bangladesh, Ministry of Agriculture, Government of the Peoples’ Republic of Bangladesh”.2013.
[4]	SRDI. “SRMAF Project. Soil Resource Development Institute. Ministry of Agriculture (MoA)”. 2010.
[5]	Haque, MA., Jahiruddin, M., Hoque, MA., Rahman, MZ., and Clarke, D. “Temporal variability of soil and water salinity and its effect on crop at Kalapara upazila”. Journal of Environmental Science & Natural Resources 7(2) 111-114. 2014.
[6]	Feng, ZP., Doering, CJ., Winkfein, RJ., Beedle, AM., Spafford, JD., and Zamponi, GW. “Determinants of inhibition of transiently expressed voltage-gated calcium channels by conotoxins GVIA and MVIIA”. Published on March 24 2003 as Manuscript M300581200. 2003.
[7]	Flagella, Z., Cantore, V., Giuliani, MM., Tarantino, E., and DeLaro, A. “Crop salt tolerance: Physiological, yield and quality aspects”. Rec. Res. Dev. Plant Biology 2 155-186. 2002.
[8]	Katerji, N., Van Hoorn, JW., Hamdy, A., and Mastrorilli, M. “Salt tolerance classification of crops according to soil salinity and to water stress day index”. Agricultural Water Management 43 99-109. 2000.
[9]	Qadir, M., Ghafoor, A., and Murtaza, G. “Use of saline-sodic waters through phytoremediation of calcareous saline-sodic soils”. Agricultural Water Management 50 197-210. 2001.
[10]	Petersen, L., and Shireen, S. “Soil and water salinity in the coastal area of Bangladesh”. SRDI. 2001.
[11]	Gain, P., Mannan, Ma., Pal, PS., Hossain, and MM, ZPervin. “Effect of salinity of some yield attributes of rice” Pakistan Journal of Biological Sciences 7(50) 760-762. 2004.
[12]	Murshid, A. “Heat or other stimulation by adverse factors may cause a stress response in tumor cells and induce the expression of heat shock proteins (Hsp), in which Hsp70 can induce a specific immune response against tumor cells and serve as a molecular target for natural killer (NK) to recognize cancer cells”. 8-11. 2012.
[13]	Munns, R. “Comparative physiology of salt and water stress. Plant Cell and Environment” 25 239-250. 2002.
[14]	Al-Busaidi, AS., and Cooksen, P. “Salinity-pH relationships in calcareous soils”. Agricultural and Marine Science 8 41-46. 2003.
[15]	Shahid, S. “Impact of Climate Change on Irrigation Water Demand of Dry Season Boro Rice in Northwest Bangladesh”. Climatic Change, 105, 433-453. 2010.
[16]	Ghosh, AB., Bajaj, JC., Hasan, R., and Singh, D. “Soil and Water Testing Methods. A Laboratory Manual, Division of Soil Science and Agricultural Chemistry, IARI, New Delhi-1100012. pp. 1-48. 1983”.
[17]	Petersen, L., and Shireen, S. “Soil and water salinity in the coastal area of Bangladesh, SRDI. 2001”. Fogg, B.J, Persuasive technology: using computers to change what we think and do, Morgan Kaufmann Publishers, Boston, 2003, 30-35.