This document provides an acknowledgement and contents sections for a seminar paper on saline soils in Bangladesh. The acknowledgement thanks various individuals and organizations who provided guidance and support in preparing the paper. It expresses gratitude to the author's seminar supervisor, other professors, friends, and the Bangladesh Bureau of Statistics and Bangladesh Agricultural Research Council for their assistance with literature, data, and advice. The contents section outlines the topics that will be covered in the paper, including definitions of saline soil, the causes and problems of salinity, methods for reclaiming saline soils, salt-tolerant crops, prospects for shrimp culture, and conclusions. It also lists the tables and figures that will accompany the paper.

1. ACKNOWLEDGEMENT
First of all I express innumerable praise to The Almighty Allah because He has enabled me
to prepare this seminar paper.
I express my sincere and deepest sense of gratitude, heartiest appreciation and high
indebtedness to my honorable seminar supervisor Professor Dr. Rameswar Mandal
Dept. of Soil, Water and Environment, University of Dhaka for his sincere scholastic
guidance, active supervision, constant encouragement, constructive suggestions and positive
criticism in planning and preparation of this paper.
I would express my sincere gratitude to Professor Dr. Md. Shafiqur Rahman, and
Professor Dr. SM. Imamul Huq, Department of Soil, water and Environment, for
their useful and valuable suggestions and instructions in their classes. I also express my best
regards and cordial thanks to all my respectable teachers of this department, who were
always helpful to me.
I am also grateful to the stuff of Bangladesh Bureau of Statistics (BBS) and Bangladesh
Agricultural Research Council (BARC) for their help in literature and data search and
collection.
Profound thanks and appreciation are due to my intimate friends for their co-operation and
constant inspiration during whole of my academic periods.
Md. Asaduzzaman.
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2. CONTENTS
Contents Page
Acknowledgement i
Contents ii
Table contents iii
Figure contents iii
1. Introduction 01
2. Saline Soil 04
2.1.Definition of Saline Soil 04
2.2.Formation of Saline Soil 04
3. Causes of Salinity 06
3.1 Soluble Salts 06
3.2 Evaporation 08
3.3 Drainage 08
3.4 Irrigation Water Quality 08
4. Problem of Saline Soil 09
4.1 Agricultural Problem 09
4.2 Effect of Salt and Water Stress on the Growth and Yield of Crops 12
4.3 Effect of Salt and Water Stress on the Mineral Nutrient of Plant 14
5. Reclamation of Saline Soil 15
5.1 Eradication or Removal of the Salts 17
5.2 Leaching 18
5.3 Salinity Control during Irrigation 19
5.4 Conversion 21
5.5 Designated Control 22
6. Salt Tolerance Crops 22
7. Prospect in Shrimp Culture 24
8. Conclusion 25
Reference 26
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3. TABLE CONTENTS
Tables Page
Table 1: Distribution and extent of different categories. 02
Table 2: Salt intensity in the in the costal area in Bangladesh. 03
Table 3: Solubilities of some common simple salts (molL-1
). 07
Table 4: Relative tolerance of certain plants to salty soils. 23
Figure Contents
Figures Page
Figure 1: The Coastal Area Soil in Bangladesh Map 03
Figure 2: Reclamation of Saline Soil 16
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