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Reconnaissance Soil Survey of Madaripur and Gopalganj Subdivisions of Faridpur District

Abstract/ Executive Summary:

The surveyed area has an area of 1471 square miles. Average annual rainfall ranges between 66-77 inches occurring about 87% between May-October. The soils are predominantly fine and medium textured and developed in unconsolidated alluvial sediments. About 93% of the area is subject seasonal flooding. Moderately deeply flooded basin margins and basins account for about one third of the area; and deeply flooded basins and basin depressions for about one fourth of the area. About 44% of the land is triple cropped, 35% double cropped and 4% is single cropped. Rice is by far the most extensive crop. Dry-land rabi crops are grown on about 61%, and mixed aus and broadcast aman in 50% of the area. About 31% of the land remains fallow in the winter season and mixed aus and broadcast aman occupy 23% of the land. Dry-land rabi crops include mustard, chillies, lentil, wheat and khesari. Good agricultural land is about 9.6%, moderate agricultural land is 49.5%, poor agricultural land 16.9%, very poor and non-agricultural land 8.6% and settlement and water 15.4%. There is a considerable potential for increased agricultural production almost throughout the surveyed area with increased use of balanced fertilizers, irrigation and flood protection.

Keywords: Soil survey, Agricultural, Land, Capability

Location: Madaripur and Gopalganj districts.

Start Date: 04-01-1970

End Date: 31-12-1972

Program Area: Crop-Soil-Water Management

Commodity: Land management

Objectives:

1. To identify, classify and describe the major kinds of soils occurring in Madaripur and Gopalganj subdivisions of Faridpur district;

2. To prepare maps showing the distribution of these soils; and

3. To evaluate the properties of soils in terms of potentiality for improved use.

Methodology:

The basis of survey was air-photo interpretation supported by a planned program of field traverses and laboratory analysis of representative soil samples that were collected. Air-photos used were of approximate scale of 1:50,000 taken by the then Pakistan Air Force in the year of 1962 and 1963. In general, field methods and descriptive terms used have been those given in the USDA Soil Survey Manual. A land capability classification especially adapted to the Bangladesh environment has been used. A network of traverses was laid down so as to examine the major landscape units differentiated by study of the air-photos. Soils were examined as often as necessary along these traverses. The traverse and sampling intensity varied considerably from place to place according to the complexity of the soils and soil patterns and supplementary traverses were made wherever considered necessary. Generally, traverses were made at intervals of from 3-6 miles and observations along the traverses made at intervals of from a few yards to approximately one mile, usually not more than half a mile. Soils were described from auger holes along each traverse, supplemented by numerous spot identifications from check holes. Soil samples for correlation and laboratory analysis were taken from each soil series recognized. Where necessary, soil phase or variant subdivisions were recognized on the basis of depth to a contrasting layer, degree of calcareousness, physiography, relief, erosion, drainage and irrigation.In general routine traverse examinations were made to a depth of about 4 feet, but occasional borings were made to a depth of 8 feet.

Source of Information: Reconnaissance Soil Survey of Madaripur and Gopalganj subdivisions of Faridpur District 1970, Department of Soil Survey, Dacca, Bangladesh. 1972.

Article Link (Online Journal):

Funding Source:

1. United Nations Development Project	Budget:
2. Food and Agriculture Organization of the United Nations	Budget:

Total Budget (Tk.) :

Achievement/Findings:

RSS is the first soil and land resource pool of the country. Besides SRDI, so far all kinds of soil and land resource maps and information reproduced from different institutions are based on the information included in RSS. It is experienced that the RSS report includes major baseline information of the area concerned and one can overview an area relevant to natural resource management, potentials, limitations and generalized solution at planner level.

The report is primarily intended for use by those responsible for economic and agricultural development planning at the national, regional and district levels. It provides information on which policy decisions might be based regarding agricultural development by such means as irrigation, flood protection, drainage, use of fertilizers and introduction of alternative crops or methods of husbandry. It indicates the different soil conditions which might require separate trials and also the area over which the results of such trials might confidently be expected to apply. The report is provided with soil association, land use, land capability and physiographic maps. The agricultural development possibilities by land capability subclasses are given in this report. The relative suitability of each soil for a number of common crops has been evaluated and tabulated.

Knowledge Management: Report/Proceedings