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Preparation of Upazila Land and Soil Resource Guide, Singair Upazila, Manikganj

Md. Delawar Hossain Molla
PSO & Head, Dhaka Division
Soil Resource Development Institute, Dhaka-1215, Bangladesh

Mrs Fahmida Parvin (Late)
Senior Scientific Officer
Soil Resource Development Institute, Dhaka-1215, Bangladesh

Abstract/ Executive Summary:

Singair is situated in the eastern part of Manikganj district. It lies between 23º41´ and 23º53´ north latitude and 90º03´ and 90º16´ east longitude and covers an area of 20,964 ha. It lies in the agro-ecological zones of Old Brahmaputra Floodplain (AEZ 9), Young Brahmaputra and Jamuna Floodplain (AEZ 8) and Active Brahamaputra-Jamuna Floodplain (AEZ 7). The upazila comprises of 12 unions having a population of 248,615 (2001). Four land types namely highland, medium highland, medium lowland, and low land were identified. The textural classes were sand, sandy loam, loam and clay loam. Nine soil groups were identified. Total 101 soil samples were collected and analyzed. It was found that the soils of upazila are deficient in N, P, K, Zn and B. Nine major cropping patterns were found in the upazila. Fertilizer recommendations for suitable crops are given. A number of moribund bill and ponds were there in Joymantap, Chandahar, Jamsha and Charigram unions, Surface irrigation could be extended by using water from Dhalessawri, Kaliganga, Nurani rivers flowing onto the east-southern site of the upazila. Singair upazila was first surveyed in 1990 and updated in 2010.

Keywords: Land typesCropping patterns, Soil, Crops,Guide

Location: Singair Upazila, Manikganj

Start Date: 01-01-2008

End Date: 20-02-2010

Program Area: Crop-Soil-Water Management

Commodity: Land management

Objectives:

1. Land and soil resources inventory of Singair 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. 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, Singair, Manikganj, 2010, SRDI, Dhaka-1215.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 150,000

Total Budget (Tk.) : 150,000

Achievement/Findings:

Major land types recognized were medium highland (30.2%) and medium lowland (37.2%). Major textural classes identified loam (38.1%) and clay loam (38.9%). Nine soil groups identified Sonatala, Silmandi, Savar bazaar, Melandaha, Dhamrai, Singair, Bararchar, Khalerchar, Brahmaputra silty alluvium. In medium highland and medium lowland Sonatala, Silmandi, Savar bazar, Melandaha, Dhamrai and Singair soils exist. Suitable crops were jute (deshi, tosa), rice (boro, B. aus, T. aman, deep water T.aman and B. aman), rabi maize, rabi soybean, wheat, sugarcane, cabbage, mustard, brinjal, onion, garlic, mung bean, lentil, rabi chilli, betel nut, babla, sissu, mehgani. Major cropping patterns were Mustard-Boro-T.aman (21.1%); Sugarcane+banana-relay crops gazar, dhane, potato (11.5%); Boro-F-F (10.1%); rabi vegetable-Kharif vegetable (9.3%); Wheat/potato/maize/mustard-jute/B.aus-T. aman/mixed B.aus and aman (6.2%); Boro-F/B.aus-T.aman (5.8%) etc. Fertilizer recommendations for 44 existing and potential crops of the upazila at high and medium yield goals and for 89 crops at high yield goal are given. This guide can be used for determining flood, drought, landslide, soil erosion, river bank erosion. Demonstration site selection for technology transfer can be done with the help of this guide. Upazila land and soil resource's carrying capacity can be estimated which would help in determining food deficit or surplus of the area.

Knowledge Management: Report/Proceedings