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Preparation of Upazila Land and Soil Resource Guide, Patia, Chittagong

Mir Md. Shahabuddin
Scientific Officer
SRDI, Chittagong

Md. Khorsed Alam
SSO
SRDI, Chittagong,

Abstract/ Executive Summary:

Patia upazila is situated in about middle part of Chittagong district, lying between 22º13´-22º22´ north latitude and 91º48´-92º07´ east longitude covering 31,647 ha area, in agro-ecological zones of Northern and Eastern Hills (AEZ 29), Northern and Eastern Piedmont Plains (AEZ 23) and Chittagong Coastal Plains (AEZ 23). The upazila has 22 unions and a pourasava having a population of 448,261 (2001). Landforms recognized Medium High Hills (23.4%), Low Hills (2.1%), and Valleys, Terraces and Coastal Plains (55.1%). Land types were highland (31%) and medium highland (49.6%). Slope classes were very extremely steep (2.2%), extremely steep (11.2%), steep (11.3%), gentle slope (0.8%) and nearly level (55.1%). Textural classes identified sandy loam (2.6%), loam (39.6%), clay loam (35.3%) and clay (3.1%). Major soil groups are Raujan (34.3%), Noapara (3.9%), Pahartali (7.2%), Mirsarai (6.9%), Barkal (8.3%) and Subalong (11.8%). Soils of this Upazila are deficient in N, P and organic matter. Eleven major cropping patterns were found. Fertilizer recommendations for 76 existing and potential crops of the upazila at high and medium yield goals and for 89 crops at high yield goal are given. The guide is used as a local level development planning tool.

Keywords: Patia upazila, Land types, Soil groups, Crops, Cropping patterns,Guide

Location: Patia upazila, Chittagong district

Start Date: 01-01-2008

End Date: 30-05-2009

Program Area: Crop-Soil-Water Management

Commodity: Land management

Objectives:

1. To invent land and soil resources of Patia Upazila

2.To assess soil fertility and fertilizer recommendation.

3. To asses crop suitability .

4. To prepare 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. Crops, cropping patterns, inundation land types, 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, Patia Upazila, Chittagong, 2009, SRDI, Dhaka-1215.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 110,000

Total Budget (Tk.) : 110,000

Achievement/Findings:

In this upazila, some of the suitable crops identified were T.Aman, T.Aus and Boro rice, sugarcane, pan (betel vine), barbati, bean, bitter gourd, sasa, kakrol, chichinga, sweat goard, aroid, zinger, turmeric, pineapple, banana, papaya, lemon, sapota, guava, karoi, gamar, garjan, chapalish, mehgani, segun, mango, etc. Major cropping patterns were Forest (11.0%), shrub and scrubs (8.9%); and Perennial horticultural crops and spices (3.1%).

Upazila Guide as a micro-level agricultural planning tool delineates existing soil/land and water resource data bases. It helps plan research activities, set location specific crop trials and demonstration and determine site specific suitable crops and cropping patterns, development of surface and subsurface irrigation network, soil and water conservation measures and drainage system improvement. Use of the guide as a vehicle for agro-technology transfer and diffusion will enable the farmers to apply balanced fertilizer applications, use appropriate soil management technologies and thus increase crop production. The guide can also be used as a data base for other local level development plans such as development of community forestry, poultry, watershed management for water conservation and construction of embankment, roads, culverts and bridges.

Knowledge Management: Report/Proceedings