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Agroforestry Practices with Three Winter Vegetables During the Early Establishment Period of Civit (swintonia Floribunda) Plantation

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

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

R. Yasmin
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

M.K.I. Sayed
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

M.K. Hasan
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh -2202

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

Abstract/ Executive Summary:

A field experiment was conducted to determine the influence of Swintonia floribunda on three winter vegetables during the early establishment period of plantation at the Agroforestry Farm, Department of Agroforestry, Bangladesh Agricultural University, Mymensingh, from November 2008 to March 2009. Influence of vegetables on the growth parameters of civit also determined. Three vegetables were brinjal (Solanum melongena), tomato (Lycopersicon lycopersicum) and coriander (Coriandrum sativum). Every vegetable were laid out using the Randomized Complete Block Design (RCBD) with three replications as separate experiment. In each experiment vegetables are grown at different distance from tree base which were treated as different treatment. Performance of winter vegetables in terms of morphological parameters as well as yield was influenced significantly by the distance from the tree base. The result showed that production of all vegetables was gradually increased with increasing distance from tree base. Highest production was observed in control condition (without tree) which was significantly similar with 3 and 4 feet distance from the tree base and the lowest was under 1 feet distance which was almost similar with 2 feet distance. The growth characteristics of Swintonia floribunda was significantly influenced by the all vegetables and condiment. The highest growth was recorded in control condition which was statistically similar with coriander combination. The lowest tree growth was found under the civit-brinjal and civit-tomato combination. Interactions between the components were prominent within 1-2 feet distance from tree base in all tested vegetables and it was more prominent under the civit-brinjal and civit-tomato combination.

Keywords: Agroforestry practice, Winter vegetables, Swintonia floribunda, Early establishment

Location: Agroforestry Farm, Department of Agroforestry, Bangladesh Agricultural University, Mymensingh

Start Date: 00-11-2008

End Date: 00-03-2009

Program Area: Farming System

Commodity: Civit, Tomato, Coriander, Brinjal

Objectives:

1. To conduct experiments during the early period of tree plantation in association with different vegetables and spices at different spacing in terms of their growth and yield performance for identifying the best tree-vegetable combination.

Methodology:

The experiment was carried out at the experimental farm, Department of Agroforestry, Bangladesh Agricultural University, Mymensingh during the period from November, 2008 to March, 2009. The experimental site is geographically located at about 24º75´ North latitude and 90º50´ East longitudes. In this study three winter vegetables, such as: tomato (Lycopersicon lycopersicum), brinjal (Solanum melongena) and coriander (Coriandrum sativum) were grown in association with 8 months old Civit (Swintonia floribunda) saplings. Each vegetable were laid using the Randomized Complete Block Design (RCBD) with three replications as separate experiment. Individual plot size was 9ft x 2ft. In each experiment vegetables are grown at different distance from tree base which were treated as treatment. For every experiment treatments were as; T₀ = Open field (without trees) - control; T₁ = 1 feet distance from the tree; T₂ = 2 feet distance from the tree; T₃ = 3 feet distance from the tree; T₄ = 4 feet distance from the tree and T₅ = 5 feet distance from the tree. Swintonia floribunda saplings are also grown without vegetables association as control. After land preparation coriander seeds were directly sown in the experimental plot on 6th November 2008. The seeds were sown continuously 30 cm apart lines. After emergence of coriander seeds it was thinned out maintaining 30-35 plants per row (with in 1m length). Tomato and brinjal seedlings (30 days old) were transplanted on 12th November 2008 in the experimental plot maintaining the spacing of 50 cm x 50 cm. Seedling planted in all plots were watered immediately after transplanting. Necessary cultural operations were done for all vegetables. Ten plant samples for each plot of brinjal and tomato were randomly selected for data collection. Coriander was harvest after 40 days of sowing all at a time. Different morphological parameters such as, plant height (cm), number of leaves per plant, Leaf size (Length x breadth, cm²), stem girth (cm), number of fruit per plant, fruit weight (g) were recorded at every harvesting period of tomato and brinjal. Plant height (cm), number of leaves per plant, Leaf size (Length x breadth, cm²), stem girth (cm), weight per plant (g) of coriander were recorded from all plants after harvest. Yields of all vegetables calculated as t/ha from recorded data of respective vegetables. Height (cm), girth (cm), leaf size (cm²) and number of leaves per Swintonia floribunda saplings also measured during the harvesting period of vegetables. The data were analysed by using computer package programme MSTAT-C to find out the statistical significance and the mean differences were evaluated by least significance difference.

Source of Information: J. Agrofor. Environ. 3 (1): 1-4, 2009; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Yield of binjal, tomato and corinder were significantly lower with in the 1-2 feet distance from tree base i. e., during the first year of Swintonia floribunda plantation all above vegetables can be grown successfully more than 2 feet distance from tree base. The lowest tree (civit) growth was found under the civit-brinjal and civit-tomato combination. Interactions between the components were prominent within 1-2 feet distance from tree base in all tested vegetables and it was more prominent under the civit-brinjal and civit-tomato combination.

Knowledge Management: Journal