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Preparation of Upazila Land and Soil Resource Guide, Gangni

Md. Kamaruzzaman
Principal scientific officer
Soil resource development institute, Regional office, Rajshahi.

Abstract/ Executive Summary:

Gangni upazila lies between 23^o44 and 23^o52 north latitude and 89^o27 and 89^o33 east longitude and covers an area of 7438 ha. It lies in the physiographic unit of Ganges floodplain, . The upazila comprises of 4 unions having a population of 1,18,394 (2001). three land types namely highland, medium highland and medium lowland were identified. The textural classes of soil found were loam, clay loam and clay . Nine soil groups were identified. Six major cropping patterns were found in the upazila. Total 46 soil samples were collected and analyzed and found that the soils of the upazila are deficient in almost all essential nutrient elements except k,s,B,Ca,Mg,Cu, Fe and Mn. The upazila comprises of highland and medium highland, medium low land, so the area is suitable for rice and upland crops. As saline water is available in this upazila,The area is also suitable for shrimp cultivation. Gangni upazila was first surveyed in 1987 and updated in 2007.

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

Location: Gangni upazila, Meherpur

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 Gangni 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, Gangni upazila, 2008

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Gangni upazila is situated in the southern part of Meherpur district. It lies under the AEZ no. 10 (High ganges river floodplain). In this upazila major land type recognized was highland comprising 42.4% of total area followed by medium highland comprising 24.9% of the total area. Major textural class also identified was clay loam covering 55.6% of total area followed by clay (28.9%). Five soil groups were identified namely sara, gopalpur, ishurdi, ghior,ramdia. In medium highland ghior covers major area (27%) while in medium highland ishurdi covers major area (13.4%). According to local agro-ecology suitable crops identified were rabi vegetables, kharif vegetables, mungbean, Taman, Taus, Boro, jute, potato, mustard, wheat, etc. The area is most suitable for rice, vegetables and upland crops. Eight major cropping pattern namely SUGARCANE/BANANA/BETEL LEAF, rabi vegetables-kharif vegetables, mung bean-Taus-Taman, Potato/wheat-jute-Taman, Fallow-Taus/jute-Taman,mustard-boro-Taman, boro-Taman,boro-deep water rice were dentified. 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