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Preparation of Upazila Land and Soil Resource Guide, Sonargaon Upazila, Narayanganj

Nadira Begum
Senior Scientific Officer
SRDI, Dhaka.

Delawar Hossain Molla,
Senior Scientific Officer
SRDI, Jamalpur

Md. Mamunur Rahman
Scientific Officer
SRDI, Tangail.

Abstract/ Executive Summary:

Sonargaon Upazila is situated in the southern part of Narayanganj district. It lies between 23º32´ and 23º46´ north latitude and 90º31´ and 90º41´ east longitude and covers an area of 17,900 ha. It lies in the physiography of Madhupur Tract (AEZ 28), Old Brahmaputra Floodplain (AEZ 9), Old Meghna Estuarine Floodplain (AEZ 19), Young Brahmaputra Floodplain (AEZ 8) and Middle Meghna River Floodplain (AEZ 16). The upazila comprises of 11 unions and a pourosava having a population of 305,562 (2001). Four land types namely highland, medium highland, medium lowland and lowland were identified. The textural classes were sand, sandy loam, loam, clay loam and clay. Twenty three soil groups were identified. Total 96 soil samples were collected and analyzed. It was found that soils of this upazila are deficient in N, P, S, K and B, addition to these some soils are deficient in Zn and Mg also. Ten cropping patterns were found in the upazila. Fertilizer recommendations for suitable crops are given. Sonargaon upazila was first surveyed in 1990 and updated in 2013.

Keywords: Sonargaon upazila, Land types, Soil groups, Crops, Croping patterns,Guide

Location: Sonargaon Upazila, Narayanganj district

Start Date: 01-01-2009

End Date: 30-04-2013

Program Area: Crop-Soil-Water Management

Commodity: Land management

Objectives:

1. Land and soil resources inventory of Sonargaon Upazila

2. Soil fertility assessment and fertilizer recommendation.

3. Crop suitability assessment.

4. Preparation of land and soil resource utilization guide with soil and landform map.

Methodology:

Field survey was conducted on the basis of semi-detailed soil survey method. Interpretative soil and landform map was prepared using 1:50,000 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, although more samples were taken wherever necessary according to complexity of soils. During survey crops, cropping patterns, soil management data were collected by physical observations and interviewing the farmers. Soil samples were analyzed for fertility assessment. Crop suitability for each land type was determined. Fertilizer recommendations for suitable crops were made. Final soil and landform map was made from the interpretative field map through verification by ground truthing and field checks. After compiling physical and chemical data sets the land and soil resource utilization guide was prepared.

Source of Information: Land and Soil Resources Utilization Guide, Sonargaon Upazila, Narayanganj, 2013, SRDI, Dhaka-1215.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 150000

Total Budget (Tk.) : 150000

Achievement/Findings:

Major land types recognized were medium highland (12.4%), medium lowland (29.2%) and lowland (17.6%). Major textural classes identified loam (28.4%), clay loam (16%) and clay (17.9%). Major soil groups identified Belabo, Sayek, Khilgaon, Rajason, Rampal, Sonatala, Silmandi, Naraibag, Singair, Fuldi, Homa, and Meghna sandy and silty alluvium. Suitable crops were B. Aus & T. Aus rice (HYV and LIV), T. Aman rice (HYV and LIV), Boro rice (HYV and LIV), Deep-water B. & T. Aman, Jute, Mesta, wheat, rabi groundnut, rabi and kharif vegetables, masur, mustard, til, sugarcane, lemon, pineapple, jackfruit, coconut, betel-nut. Major cropping patterns were Boro rice-Fallow (F)-F (22.9%); Boro-F-T. Aman rice (4.2%); Rabi crops-B.Aman/jute/dhaincha (7.2%); Mustard-Boro (5.2%); Boro-B.Aman(Local) (6.2%); F-B.Aman (5%). Fertilizer recommendations for 62 existing and potential crops of the upazila at high and medium yield goals and for 89 crops at high yield goal are given. Soils of this upazila are deficient in N, P, S, K and B, addition to these some soils are deficient in Zn and Mg also. This guide can be used for determining flood, drought, water-logging and soil erosion. Demonstration site selection for technology transfer and food deficit or surplus situation can be estimated with the help of this guide.

Knowledge Management: Report/Proceedings