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Preparation of Upazila Land and Soil Resource Guide,rajapur

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

Abstract/ Executive Summary:

Rajapur upazila lies between 22^o41 and 22^o50 north latitude and 90^o18 and 90^o27 east longitude and covers an area of 32.649 ha. It lies in the physiographic unit ofGanges tidal floodplain. 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. rajapur upazila was first surveyed in 1989 and updated in 2008.

Keywords: Rajapur upazila, Land and soil, Soil fertility, Crop suitability

Location: Rajapur upazila, Jhalakathi

Start Date: 05-3-2007

End Date: 04-3-2008

Program Area: Resource Development and Management

Commodity: Land management

Objectives:

1. Soil and land resources inventory of rajapur 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, Rajapur upazila, 2008

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Rajapur upazila lies between 22o41 and 22o50 north latitude and 90o18 and 90o27 east longitude and covers an area of 32.649 ha. It lies in the physiographic unit of Ganges tidal floodplain. The upazila comprises of 11 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 100 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 2008.

Knowledge Management: Report/Proceedings