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Study on Salt Accumulation in Soil Layers as Affected by Different Concentration of Saline Water

A. H. M. Shamim
Lecturer
School of Agriculture and Rural Development, Bangladesh Open University, Gazipur

M. Moniruzzaman
Senior Scientific Officer
Soil Resource Development Institute, Ministry of Agriculture, Bangladesh

M. S. Rahman
Assistant Professor
Open School, Bangladesh Open University, Gazipur

Abstract/ Executive Summary:

Soil salinity becomes a major issue in global agriculture when soil and environmental factors contribute to the accumulation of salt in soil layers above a level, adversely affecting crop production. Therefore, cultivation of salttolerant crops and management of soil salinity are important strategies to boost agricultural economy. The present research was conducted at Salinity Management and Research Center Batiaghata, Khulna to know the effect of saline water on salt accumulation in different layers of the soil. Results revealed that higher level of salinity was observed in the top layer soil in comparison with sub and substratum due to application of saline water (2 dS/m, 4 dS/m, 6 dS/m and 8 dS/m). The data also showed that soil salinity increased year after year.

Keywords: Salt accumulation, Soil layer, Saline water

Location: Salinity Management and Research Center (SMRC), Batiaghata, Khulna

Start Date: 06-06-2015

End Date: 29-06-2015

Program Area: Risk Management in Agriculture

Commodity: Soil salinity

Objectives:

To assess the effect of saline water in concern to salt accumulation in soil and to observe the rate of salt accumulation in different layers of soil.

Methodology:

The experiment was carried out at Salinity Management and Research Center (SMRC), Batiaghata, Khulna within a controlled structure. In this experiment 12 brick made micro plot was used and it was filled up with non-saline soil (1.2 dS/m). The size of micro plot was 1 m × 1 m × 1 m. There were four treatments of applied saline water with three replications. The EC of the applied water was 2 dS/m, 4 dS/m, 6 dS/m and 8 dS/m. Salinity data was recorded at the end of June, 2015. The data were subjected to statistical analysis of variance (ANOVA) and the means were tested using Duncan’s Multiple Range Test (DMRT) at 5% level of significance. The data are presented in figure as means ± standard error (SE) of three replicates.

Source of Information: Journal of Soil and Nature, 8(2):30-32, 2015

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Due to application of saline water (2 dS/m, 4 dS/m, 6 dS/m and 8 dS/m), higher salinity was observed in the top layer soil in comparison with sub and substratum. The data have also showed that soil salinity increased year after year

Knowledge Management: Journal