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Preparation of Upazila Land and Soil Resource Guide, BARIsal Sadar

Md. Iktiar uddin
Senior scientific officer
Soil resource development institute, District office, Patuakhali.

Abstract/ Executive Summary:

The upazila comprises of 10 unions and 1 pouroshava having a population of 5,31,999 (2001). Four land types namely highland , medium highland, medium low land and low land were identified. The textural classes of soil found were clay, clay loam and loam. Ten soil groups were identified. Five major cropping patterns were found in the upazila. Total 103 soil samples were collected and analyzed and found that the soils of the upazila are deficient in almost all essential nutrient elements except Ca, S,B, Mg, Cu, Fe and Mn. The upazila comprises of highland , medium highland and medium low land, so the area is suitable for rabi vegetables, kharif vegetables,chilli, khesari,mung bean, sweet potato, Taman, Taus and other upland crops. The climate, land form and geo-morphological environment of the area are also suitable for boro rice cultivation. Barisal sadar upazila was first surveyed in 1988 and updated in 2007.

Keywords: Barisal sadar upazila, Land and soil, Soil fertility, Crop suitability,Guide

Location: Barisal sadar upazila, Barisal

Start Date: 07-1-2007

End Date: 06-1-2008

Program Area: Resource Development and Management

Commodity: Land management

Objectives:

1. Soil and land resources inventory of Barisal 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 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: Upazila Land and Soil Resource utilization Guide, Barisal sadar upazila, 2009

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Barisal sadar upazila is situated in the southern part of barisal district. It lies under the AEZ no. 12,13 (Ganges flood plain, ganges tidal flood plain). In this upazila major land type recognized was medium highland comprising 55.2% of total area followed by miscellaneous land comprising 34.3% of the total area. Major textural class also identified was clay loam covering 35.3% of total area followed by loam (21.7%). Ten soil groups were identified namely Jhalakathi, barisal,ramgati,sara,kalabadar,gopalpur, hijla, muladi, mahendigong,ganges silty alluvium. In medium highland jhalakathi covers major area (12.1%) while in medium highland gopalpur covers major area (10.8%). According to local agro-ecology suitable crops identified were rabi vegetables, kharif vegetables, boro, Taman, Taus etc. The area is most suitable for Taman,Taus and other upland crops. Five major cropping pattern namely rabi vegetables- kharip vegetables, boro-fallow-Taman,chilli/khesari/sweet potato/mustard/mung bean-Taus-Taman, were identified. Fertilizer recommendation for suitable crops is given in the guide. The guide can be used for determining flood and drought, 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