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Preparation of Upazila Land and Soil Resource Guide, Zianagar Upazila, Pirojpur

Md Ikhtiar Uddin
Senior Scientific Officer
SRDI, Barisal

Abstract/ Executive Summary:

Zianagar is situated in the southern part of pirojpur district. It lies between 22º22´ and 22º33´ north latitude and 89º53´ and 90º01´ east longitude and covers an area of 10,358 ha. It lies in the agro-ecological zones of Ganges River Floodplain (Low Ganges River Floodplain, AEZ 12) and Ganges Tidal Floodplain (AEZ 13). The upazila comprises of three unions having a population of 77,674 (2001). Two land types namely highland and medium highland were identified. The textural classes were loam, clay loam and clay. Seven soil groups were identified. Total 49 soil samples were collected and analyzed. It was found that soils of this upazila are deficient in N, P and Zn. Four major cropping patterns were found in the upazila. Besides, annual crops like banana, papaya, and betel vine are grown here. Fertilizer recommendations for suitable crops are given. Surface irrigation could be extended by using water from Baleswar, Kacha and Panguchi rivers flowing in the upazila. Zianagar upazila was first surveyed in 1993 and updated in 2010.

Keywords: Zianagar upazila, Land types, Soil groups, Cropping patterns,Guide

Location: Zianagar Upazila, Pirojpur district

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Land management

Objectives:

1. To invent land and soil resources of Zianagar 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. 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, Zianagar, Pirojpur, 2010, SRDI, Dhaka-1215.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 120,000

Total Budget (Tk.) : 120,000

Achievement/Findings:

Land types recognized were highland (3.4%) and medium highland (60.5%). Textural classes identified loam (17.3%), clay loam (24.5%) and clay (22.1%). Major soil groups identified Sara (6.2%), Muladi (11%),Mehendiganj (2.5%), Ramgati (4.3%), Jhalakati (13.6%), Barisal (19.6%) and Tidal Silty Alluvium (5%). Suitable crops were T. Aus, T. Aman and Boro rice (HYV and LIV), kaun (millet), til (sesame), rabi wheat, potato, rabi chilli. Major cropping patterns were Fallow (F)-F-T.Aman rice (41.6%); F-T.Aus-T.Aman (12.4%); Rabi crops-F-T.Aman (3.6%); Rabi crops-T.Aus-T.Aman(3.3%). Besides, annual crops like banana, papaya, sugarcane and betel vine (3%) are grown here. Fertilizer recommendations for suitable crops are given. Surface irrigation could be extended by using water from Baleswar, Kacha and Panguchi rivers flowing in the upazila. Fertilizer recommendations for 40 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 situation.

Knowledge Management: Report/Proceedings