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Boundary Plantation of Eucalyptus and Its Effect on Chilli and Sweet Gourd

A. Babu
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh

G.S. Toser
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh

Z. Alam
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh

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

Abstract/ Executive Summary:

An experiment was conducted at Char gobadia which is situated by the side of Brahamputra River adjacent to Bangladesh Agricultural University, Mymensingh, to study the growth &yield of two winter vegetables i.e. Chilli and Sweet gourd under different spacing (T₀-control, T₁-3 ft-distance from tree , T₂-6 ft- distance from tree , T₃-9 ft- distance from tree) of Eucalyptus tree. Experiment was conducted during October 2011 to March 2012 in a Randomized Complete Block Design with three replications. It was observed that the growth and yield of Chili and Sweet gourd increased rapidly as distance increased from the tree. The tallest plant and the highest length of leaves were found under treatment T₀. All the parameters i. e. plant height, diameter, leaf length, leaf breadth, number of fruits plant^-1, weight of fruits plant^-1, yield etc. increased gradually with increasing distance from i.e. in T₁ to T₂ to T₃. The highest yield of Sweet gourd (13.05 tha^-1) and Chilli (4.1 tha^-1) observed under treatment T₀. The lowest yield of Sweet gourd (7.20 tha^-1) and Chilli (3.30 tha^-1) observed under treatment T₁. It concluded that boundary plantation of Eucalyptus has negative effect on the growth and yield of Chilli and sweet gourd.

Keywords: Eucalyptus, Chilli, Sweet gourd, Boundary plantation, Agroforestry

Location: Char gobadia which is situated by the side of Brahamputra River adjacent to Bangladesh Agricultural University, Mymensingh

Start Date: 00-10-2011

End Date: 00-03-2012

Program Area: Farming System

Commodity: Eucalyptas, Sweet gourd, Chilli

Objectives:

1. To observe the morphological characters, yield and yield attributes of Chilli and Sweet gourd which is covered by boundary plantation of Eucalyptus; and to evaluate the effect of planting distance on the yield performance of Chilli and Sweet gourd.

Methodology:

Experimental site: The research work was carried out at the Char Gobadia which is situated by the side of the old Bramhaputra River during the period from October 2011 to March 2012. The place is geographically located at about 24°75' North latitude and 90°50' East longitudes. The experimental site is situated under tropical monsoon climate characterized by heavy rainfall during the months from April to September and then scanty rainfall during the rest period of the year. The experiment was laid out in a low land belonging to the AEZ Old Himalayan Flood Plain area. The soil texture was sandy loam with a pH 6.6. The structure of the soil was fine and the organic matter content was 1.80%. Planting material: The planting materials of the study were the seeds of Chilli (Capsicum annuum) and Sweeet gourd (Cucurbita moschata). The seeds of Chilli, and Sweeet gourd were collected from BRAC seed centre, Mymensingh. Chilli and Sweet gourd were grown by the boundary plantation of Euclayptus tree maintaining standard spacing. There were also control plants of Eucalyptus. Tree establishment and management: The study was done under 6 month’s old Eucalyptus tree. At first 25 cm deep pits were dug at 9 feet distance in the experimental field then the pits were fallow for few days. After that the pits were filled with surrounding soils and then the seedlings of the tree were placed into the central portion of the pits. After the tree plantation sufficient irrigation was done at the base of the tree. Irrigation was done two times in a day by the watering cane. Experimental design and layout: Two vegetables such as Chlli and Sweet gourd were laid out following the Randomized Complete Block Design (RCBD) with single factorial arrangement of multistoried production system. Four treatments were used in this study. Three replications were followed for each treatment for each crop. So, in total 3 plots were set up. Treatment of the study: There were four treatments were used in this experiment viz. T₀= Eucalyptus tree without association of vegetable (control), T₁= Vegetable grown 3 ft distance from the tree, T₂ =Vegetable grown 6 ft distance from the tree and T₃ =Vegetable grown 9 ft distance from the tree. Crop establishment and management: After preparation of land the two vegetables viz. Chilli and Sweet gourd were directly sown in the experimental plot on 10 October 2011. Those seedlings were collected from horticulture Farm, BAU Mymensingh. The spacing is 20 x 20 cm for all winter vegetables. After emergence, finally Chilli and Sweeet gourd were thinned out by maintaining 15, 25 and 30 days, respectively. All management practies i.e. fertilizer application, weeding, irrigation, thinning out, pest and disease control etc. were done whenever it necessary. Harvesting: Sweet gourd was harvested at 95 days after seed sowing. It was harvested at several picking. Chilli was harvested in several picking when the fruits appeared green and medium size. The Chilli was harvested during 75 to 90 days after sowing. Sampling and data collection: Ten plants of Chilli were randomly selected from each plot for data collection. The parameters under study were as follows: Plant height(cm), no. of primary branch, length of branch(cm), no. of leaves, length of leaves (cm), no. of flowers, no. of fruits and length of fruits (cm). Four plants of Sweet gourd were randomly selected for data collection. The parameters under study were as follows: No. of leaves, leaf size, vein length, no. of branch, length of branch, no. of flowers, no. of fruits, length of fruits and diameter of fruits. Statistical analysis: The recorded data were compiled and analysed by RCBD design to find out the statistical significance of the experimental results. The means for all recorded data were calculated and the analyses of variance for all the characters were performed. The mean differences were evaluated by Duncan’s New Multiple Range Test (DMRT) and also by Least Significant Difference (LSD) test.

Source of Information: J. Agrofor. Environ. 6 (1): 43-46, 2012; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It was observed that the growth and yield of Chili and Sweet gourd increased rapidly as distance increased from the tree. The tallest plant and the highest length of leaves were found under treatment T₀. All the parameters i. e. plant height, diameter, leaf length, leaf breadth, number of fruits plant1, weight of fruits plant^-1, yield etc. increased gradually with increasing distance from i.e. in T₁ to T₂ to T₃. The highest yield of Sweet gourd (13.05 tha^-1) and Chilli (4.1 tha^-1) observed under treatment T₀. The lowest yield of Sweet gourd (7.20 tha^-1) and Chilli (3.30 tha^-1) observed under treatment T₁. It concluded that boundary plantation of Eucalyptus has negative effect on the growth and yield of Chilli and sweet gourd.

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