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Existing Agroforestry Practices and Tree Species Abandons in Some Selective Char and Hill Ecological Zones of Bangladesh

K.N.A. Jewel
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

F. Ahmed
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

M. Saifullah
Natural Resource Management Division (Forestry Unit), BARC, Farmgate, Dhaka-1216

M.A. Wadud
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

M. Shahjahan
Natural Resource Management Division (Forestry Unit), BARC, Farmgate, Dhaka-1216

G.M.M. Rahman
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

Abstract/ Executive Summary:

The primary focus of the study was to determine the existing agroforestry practices in char and hill ecosystem of Bangladesh. For charland ecosystem, Mymensingh, Jamalpur and Sherpur district and for hill ecosystem Rangamati and Banderban district were selected. An extensive and in-depth field survey was conducted during the period of November 2018 to June 2019 through both open and closed ended semi-structured pre-tested questionnaires. Data were collected from 200 farmers of which 100 farmers from each ecosystem. Total 19 different agroforestry practices were identified from charland ecosystem of which 14 in the homestead areas and 5 in cropland areas. Earleaf Acacia in crop field boundary in the crop land area and Bean-Betelnut combination in homestead area were the top-ranking agroforestry practice found in all studied districts of charland ecosystem. In hill ecosystem 16 different agroforestry practices was identified where Turmeric-ginger-mango combination is relatively popular agroforestry practice in the hill ecosystem. Total 34 tree species in char ecosystem and 32 tree species in hill ecosystem was recorded from five different districts of Bangladesh. The earleaf acacia, mahogany and eucalyptus were popular species for crop field boundary and mango, mahogany, betelnut, raintree, coconut, earleaf acacia, and jackfruit were planted as agroforestry tree species in homestead in the charland areas. Mango, papaya, lychee, wood apple, banana, gamar, mahogany, earleaf acacia, Indian lilac, drumstick and Chebulic Myrobalan found dominant fruit, timbre and medicinal tree species in Banderban and Rangamati.

Keywords: Agroforestry practice, Tree diversity, Charland ecosystem, Hill ecosystem

Location: Mymensingh, Jamalpur and Sherpur district and for hill ecosystem Rangamati and Banderban district

Start Date: 00-11-2018

End Date: 00-06-2019

Program Area: Farming System

Commodity: Agroforestry

Objectives:

The main purpose of the study was to document improved agroforestry practices in the study areas.

Methodology:

The research was conducted to evaluate the agroforestry practices and adoption rate by the village duelers through an extensive survey at two selective eco-systems, eg., Hill ecosystem: two districts from CHT (Rangamati and Banderban hill districts) and Charland ecosystem: Charland of Old Brahmaputra river and Jamuna river of Sadar upazila of Mymensingh, Sherpur and Jamalpur districts in Bangladesh, respectively, during the period of November 2018 to June 2019. A total of 200 samples were randomly but pervasively selected from both char (land surrounded by water) and hill ecosystem for household survey. Selected villages from Mymensingh were Char Kalibari, Char Nilakshmia, Char Gobadia, Char Vatipara, Char Vangnabari, and Kuliar Char. The villages of Jamalpur were Naovangar Char and Lokshmir Char, and the villages of Sherpur were Balair Char and Char Bagolgor. All the villages selected from the sadar upazilla of the districts and 10 sample farmers in each village in the Charland Ecosystem. On the other hand, in Rangamati, 50 farmers were selected from Kaptai (25) and sadar (25), and in Banderban, rest of the 50 farmers were selected from Sadar (10), Ruma (30) and Thanchi (10) in the Hill Ecosystem. An extensive and in-depth field survey was used to conducted interview stakeholders (Bryman, 2012) through both open (more flexibility to interviewees) and closed ended (limited and structured responses) semi-structured questionnaires (Babbie and Mouton, 2011) to collect the existing agroforestry practices in the survey areas. The questionnaire was pre-tested with at least 2 (two) households in each ecosystem’s village and necessary modifications were done. After completion of data collections through field survey, all the interview schedules were coded, compiled, tabulated and analyzed in accordance with the objectives of the study. Local units were converted into standard units and qualitative data were converted into quantitative ones by means of suitable scoring whenever necessary. The responses to the questions in the interview schedules were transferred to a master sheet to facilitate tabulation. For describing the different individuality, the contributors were classified into several ranked. These categories were developed by considering the nature of distribution of data, general understanding prevailing in the social system and possible score system. MS-Excel programme was used to process the collected data obtained through interview schedule.

Source of Information: J. Agrofor. Environ. 13 (1 & 2): 67-72, 2019 ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In this study it was found that in the charland areas earleaf acacia, mahogany and eucalyptus-based agroforestry model in crop field and mango, betelnut, raintree, coconut, and Jackfruit based agroforestry models are common. Mango (100%), mahogany (85%), betelnut (70%), jackfruit (65%), raintree (58%) and coconut (55%) were the dominant tree species in Mymensingh, Sherpur and Jamalpur district. In Rangamati, mango in pineapple and banana field agroforestry model, and turmeric, ginger and mango model for homestead agroforestry was the most popular. Similarly, mango and lychee was popular as crop land agroforestry model and turmeric, zinger and mango was popular as homestead agroforestry model in the Banderban hill areas. In the same way, fruits species mango (98%), papaya (95%), lychee (85%); Wood apple (84%), banana (83%), Gmelina (82%), mahogany (81%), Earleaf acacia (78%), Indian lilac (72%), drumstick (61%) and Chebulic Myrobalan (60%) found dominant fruit, timbre and medicinal tree species in Banderban and Rangamati.

Knowledge Management: Journal