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Preparation of Upazila Land and Soil Resource Guide,jhalakathi Sadar

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

Abstract/ Executive Summary:

Jhalakathi sadar upazila lies between 22^o35 and 22^o47north latitude and 90^o06 and 90^o6 east longitude and covers an area of 21,293 ha. It lies in the physiographic unit of 12,13 (ganges floodplain and ganges tidal floodplain). The upazila comprises of 10 unions having a population of 2,16,046 (2001). Three land types namely highland,medium highland and medium low land were identified. The textural classes of soil found were clay , clay loam and loam. Seven soil groups were identified. five major cropping patterns were found in the upazila. Total 114 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 forTaman, Taus, boro and upland crops. The climate, land form and geo-morphological environment of the area are also suitable for guava cultivation. Jhalakathi upazila was first surveyed in 1996 and updated in 2007.

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

Location: Jhalakathi sadar Upazila, Jhalakathi

Start Date: 03-12-2006

End Date: 02-12-2007

Program Area: Resource Development and Management

Commodity: Land management

Objectives:

1. Soil and land resources inventory of jhalakathi 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, Jhalakathi sadar, 2008

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Jhalakathi sadar upazila is situated in the northern part of jhalakathi district. It lies under the AEZ no. 12,13 (Ganges flood plain, ganges tidal floodplain). In this upazila major land type recognized was medium highland comprising 65.9% of total area followed by miscellaneous and comprising 27.0% of the total area. Major textural class also identified was clay loam covering 41.1% of total area followed by loam (10.8%). Seven soil groups were identified namely sara, gopalpur,ramgati,khalakathi,barisal, betaghi, pirojpur. In medium highland jhalakathi covers major area (37.7%) while in medium highland barisal covers major area (17.7%). According to local agro-ecology suitable crops identified were rabi crops,Taman, Taus,boro, vegetables, etc. The area is most suitable for rice and upland crops. Five major cropping pattern namely Fallow-Taus-Taman,Boro-fallow-Taman, Rabi crops-fallow-Taman, fallow-fallow-Taman, boro-fallow-fallow 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