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Preparation of Upazila Land and Soil Resource Guide, Dinajpur Sadar Upazila, Dinajpur District.

Begum Samia Sultana
Scientific Officer
Soil Resource Development Institute District office, Dinajpur

Abstract/ Executive Summary:

Dinajpur Sadar Upazila lies between 25^o28^/ and 25^o47^/north latitude and 88^o34^/ and 88^o47^/east longitude and covers an area of 35,447 ha. It lies in the physiographic unit of Barind Tract & Old Himalayan Piedmont Plain. The Upazila comprises of 10 unions (Sundorban, Chehelgaji, Fajilpur, Sekhpura, Sosra, Auliapur, Askorpur, Uthrail, Komolpur, Sankorpur) and one Pourasabha having a population of 4,24,776 (2009). Three land types namely highland, medium highland and medium lowland were identified. The textural classes were sandy loam, loam and clay loam. Twelve soil groups were identified. Total 150 soil samples were collected and analyzed in laboratory. It was found that the soils of this area are deficient in nitrogen, potassium, magnesium, zinc and boron . In each union rice, maize, wheat, rabi vegetables and kharif vegetables can be successfully cultivated.

Keywords: Dinajpur Sadar Upazila, Land and soil, Soil fertility, Crop suitability.

Location: Dinajpur Sadar Upazila, Dinajpur District

Start Date: 01-11-2007

End Date: 31-10-2008

Program Area: Resource Development and Management

Commodity: Land management

Objectives:

1. Land and soil resources inventory of Dinajpur Sadar 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 soil samples were collected. The sampling frequency were 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, Dinajpur Sadar Upazila, DinajpurDistrict, 2010.

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Dinajpur Sadar Upazila is situated in the south-east part of Dinajpur district. It lies under the AEZ No. 25 ( Level Barind Tract), AEZ No. 27( North-eastern Barind Tract) and AEZ No. 01(Old Himalayan Piedmont Plain). In this Upazila major land type recognized was high land comprising 39.9% of total area followed by medium high land comprising 37.9% of the total area. Major textural class also identified was clay loam covering 45.4% of total area followed by loam (28.8%) and sandy loam (4.8%). Twelve soil groups were identified namely, Belabo, Noadda, Amnura, Akdala in the physiography Barind tract and Ranisankail, Pirgachha, Palasbari, Amgaon, Jamon, Gangachara,Srirampur, Kaunia in Old Himalayan Piedmont Plain. According to local agro ecology suitable crop identified were boro rice, broadcast aman, maize, wheat, potato, brinjal, tomato, mustard. Major cropping patterns namely boro-fallow-broadcast aman, rabi crops (potato/mustard/maize/wheat) – boro - broadcast aman, rabi vegetables (cabbage, cauliflower, onion, brijal, bean, tomato) - kharif vegetable ( lady’s finger, bitter gourd, pointed gourd, snake gourd, ridge gourd, spinach, yardlong bean) ; potato/mustard/maize/wheat/ rabi vegetables – fallow – broadcast aman were identified. Fertilizer recommendation for suitable crops are given in the guide.This guide can be used for determining flood, drought, landslide, soil erosion, river bank erosion. 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