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Preparation of Upazila Land and Soil Resource Guide, Babuganj Upazila, BARIsal

Abdul Aziz
SSO
SRDI, Mymensingh

Md. Sabbir Hossain
SRDI, Patuakhali

Abstract/ Executive Summary:

Babuganj is situated in the west-middle part of Barisal district. It lies between 22º24´ and 22º56´ north latitude and 90º15´ and 90º23´ east longitude and covers an area of 15,247 ha. It lies in the agro-ecological zones of Ganges River Floodplain (Physiographic unit 8 as of Brammer1996, AEZ 12), Ganges Tidal Floodplain (Physiographic unit 9, AEZ 13). The upazila comprises of 6 unions having a population of 147,400 (2001). Three land types namely highland, medium highland and medium lowland were identified. The textural classes were loam, clay loam and clay. Eleven soil groups were identified. Total 132 soil samples were collected and analyzed. It was found that soils of upazila are deficient in N, P, S and Zn. Ten major cropping patterns were found in the upazila. Fertilizer recommendations for suitable crops are given. Babuganj upazila was first surveyed in 1989 and updated in 2005.

Keywords: Land, Soil, Crops, Babuganj Upazila,Guide

Location: Babuganj Upazila, Barisal, Bangladesh

Start Date: 01-01-2004

End Date: 30-06-2005

Program Area: Crop-Soil-Water Management

Commodity: Land management

Objectives:

1. Land and soil resources inventory of Babuganj 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, Babuganj Upazila, Barisal, 2005, SRDI, Dhaka-1215.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 110,000

Total Budget (Tk.) : 110,000

Achievement/Findings:

Major land types recognized were medium highland (58.4%) and highland (11.4%). Major textural classes identified clay loam (42.5%), clay (19.8%) and loam (10.6%). Major soil groups identified Gopalpur (19.7%), Jalakati (12%), Mehendiganj (9.8%), Muladi (8%), Barisal (6.8%) and Sara (7.4%). Suitable crops were jute (deshi, tosa), rice (boro, B. aus, T. aus, T. aman, deep water aman), sugarcane, wheat, maize (rabi and kharif), groundnut (rabi and kharif), mustard, rabi soybean, rabi chilli, cauliflower, cabbage, rabi brinjal, lentil, gram, mango, jackfruit, coconut. Major cropping patterns were Boro-Fallow(F) (50.4%); Potato-Jute(deshi)-F (6.8%) and Mustard (Tori, Rai, Doulat)-Boro(HYV) (1.6%). Fertilizer recommendations for 59 existing and potential crops of the upazila at high and medium yield goals and for 89 crops at high yield goal are given. Some soils of upazila are deficient in N, P, K, Zn and B. This guide can be used for determining flood, drought, water-logging and soil 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 situation.

Knowledge Management: Report/Proceedings