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Preparation of Upazila Land and Soil Resource Guide, Shibgonj

Bhabananda Bashak
Senior Scientific Officer
Soil Resource Development Institute, District Office, Rajshahi

Abstract/ Executive Summary:

Shibgonj upazila is situated in the northern part of Bogra district and covers an area of 311.5 square kilometer. The upazila comprises of 12 unions having a population of 3,12,773 (1991). It lies in the physiographic unit of Barind tract (consists of modhupur clay) and Tista River Flood Plain. Four land types namely highland , medium highland, medium low land and low land were identified. The textural classes of soil found were sandy, sandy loam, loam, clay loam and clay. Eleven soil groups were identified. Seven major cropping patterns were found in the upazila. Total 144 soil samples were collected and analyzed and found that the soils of the upazila are deficient in N, K, and B. Shibgonj upazila was first surveyed in 1986 and updated in 2000.

Keywords: Shibgonj, land and soil, Soil fertility, Crop suitability

Location: Shibgonj, Bogra

Start Date: 01-11-2000

End Date: 31-10-2001

Program Area: Resource Development and Management

Commodity: Land management

Objectives:

1. Soil and land resources inventory of Atwari Upazila.

2. Soil fertility assessment and fertilizer recommendation

3. Crop suitability assessment

4. Preparation of land and soil resource utilization guide with soil and land form map.

Methodology:

Field survey was conducted on the basis of semi-detailed soil survey method. Interpretative soil and land form map was prepared using 1:50000 aerial photographs. Soils were investigated following a catena and composite top soils were collected. The sampling frequency was 1 (one) sample per 200 ha. During survey, crops, cropping pattern, soil management data were collected by interviewing the farmers. Soil samples were analyzed for fertility assessment. Crop suitability for each land type was determined. Fertilizer recommendation for suitable crops was made. After compiling physical and chemical data sets the land and soil resource utilization guide was prepared.

Source of Information: Land and soil resource utilization guide, Shibgonj, Bogra, 2003

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Shibgonj upazila lies under the AEZ no. 25 (Level Barind Tract) and AEZ no. 27(North-Eastern Barind Tract) and AEZ no.3 (Tista Meander Flood Plain). In this upazila major land type recognized was highland comprising 46.6% of total area followed by medium highland comprising 33.5% of the total area. Major textural class also identified was loam covering 62.4% of total area followed by clay loam (16.2%) and clay (2.8%). Eleven soil groups were identified namely Amnura, Ekdala, Kahalu, Palasbari, Jamun, Manda, Gangachara, Amgaon, Kaunia, Shahghata and Lashkara of which Amnura covers major area (31.3%) followed by Palasbari (17.0%) and Gangachara( 12.0%). For different land type and soil group, the crop suitability was determined for both irrigated and non-irrigated condition and a list of suitable crops for this area is attached in the guide. Seven major cropping pattern were found in the area of which potato- boro- TA (Transplanted Aman) covered major area (37.5%) followed by Boro -Fallow- TA (14.2%). Fertilizer recommendation for suitable crops is given in the guide. The guide can be used for determining flood and drought, landslide, soil erosion, river bank erosion affected area. Demonstration site selection for technology transfer and local level development planning can be done with the help of this guide. Upazila land and soil resources carrying capacity can be estimated which would help in determining food deficit or surplus of the area.

Knowledge Management: Report/Proceedings