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Semi-detailed Soil Survey of Indigenous Potato Variety Growing Areas, Satkania

Md. Abul Khair
Scientific Officer (Retd as CSO)
Soil Resource Development Institute, District Office, Chittagong

Md. Rafiqul Islam
Scientific Officer
Soil Resource Development Institute, District Office, Rangamati

Abstract/ Executive Summary:

The survey was carried out to generate detailed soil and land type data on IPV growing areas of Bangladesh in order to make sustainable IPV production program. The survey was done following USDA Survey Manual using aerial photographs and topographic maps as base materials. Soils were checked along the traverse lines drawn half-a-mile apart and topsoil composite samples were collected for checking nutrient status. Spatial distribution of soils of the study area were shown in maps and areas were calculated. IPV Suitability ratings of each soil were done.

Keywords: Detailed soil aurvey, Map, Fertilizer recommendation

Location: Satkania, Chittagong

Start Date: 1-8-1993

End Date: 30-8-1993

Program Area: Resource Development and Management

Commodity: Land management

Objectives:

1. Identification of soil series in Indigenous Potato Variety (IPV) growing areas

2. Mapping of the soils showing their spatial distribution

3. Evaluating suitability of individual soil series for growing IPV under rainfed and irrigated condition.

4. Analysis and evaluation of soils in terms of nutrient contents for fertilizer recommendation for IPV.

Methodology:

The basis of soil survey was interpretation of aerial photos (scale 1:50,000; 1983) supported by planned field observations and laboratory analysis of representative topsoil composite samples. Field methods and descriptive terms used were in accordance with the USDA Survey Manual. Traverses were located at a distance of half-a-mile apart to examine the major landscape units differentiated by aerial photo interpretation. Soils were examined following the traverses. The density of observations varied from place to place depending on complexity of soil patterns. Following final checking and correlation, mapping units were drawn on the aerial photographs used in the survey. The soil boundaries were transferred to topographic maps (1:50,000) to prepare final soil and land type map. Soil sampling intensity was 1 sample for every 400ha. Soils were analyzed in the laboratory following standard procedures.

Source of Information: Report on Detailed Soil Survey of BINA Sub-station, Magura-2002

Article Link (Online Journal):

Funding Source:

1. Danish International Development Agency (DANIDA)

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In Satkania, Charati and Khagaria was identified as IPV growing areas covering an area of 32.37 Sq.km. Hills occupy 20%, Piedmont Plain occupy 10% and Minor river floodplain occupy 43% of the area. Highland is 269ha (8.3%) and medium high land is 1,446ha (44.6%). Pahartali, Feni, Belonia, Mirsarai and Halda series were identified in the area of which Belonia (41%) and Mirsarai (7%) covers major area. The soils are loamy. Highly suitable areas under irrigated condition were 1,444ha (45%), moderately suitable areas were 1,444ha (45%) under rainfed condition and 74ha (2%) under irrigated condition. Marginally suitable areas were 94ha and 20ha under rainfed and irrigated areas.

Knowledge Management: Report/Proceedings