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Effect of Spacing and Mulching on the Growth and Yield of Chinese Cabbage (brassica Campestrisvar. Pekinensis)

TAMANNA TANJIN
MS. Student, Reg. No. 27431/00643
Dept, of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

Abstract/ Executive Summary:

An experiment was conducted to study the effect of different plant spacing and mulching on growth and yield of Chinese cabbage at Horticultural farm of Sher-e Bangla Agricultural University, Dhaka, Bangladesh during the period from October 2006 to December 2006. The maximum fresh weight (399.92 g/plant) of unfolded leaves, gross yield (91.00 t/ha), marketable yield (77.67 t/ha) were found from the combined effect of S₂M₂ (50 cm x 30 cm spacing + black polythene mulch) and those of minimum were recorded from S₁M₀ (50 cm x 20 cm spacing + no mulch). From the result it was ensured that the treatment combination of S₂M₂ (50 cm x 30 cm spacing + black polythene mulch) performed the highest yield than other treatment combination but the treatment combination of S2M1 (50 cm x 30 cm + water hyacinth mulch) was more profitable because of availability of water hyacinth than those other mulch treatment. The maximum benefit cost ratio (2.71) was recorded from the treatment combination of S₂M₁ (50 cm x 30 cm spacing + water hyacinth mulch) and the minimum (1.17) was obtained from S₃M₀ (50 cm x 40 cm spacing + no mulch material).

Keywords: Spacing, Mulching, Growth and Yield, Chinese Cabbage

Location: Horticultural farm of Sher-e Bangla Agricultural University, Dhaka

Start Date: 00-10-2006

End Date: 00-12-2006

Program Area: Crop-Soil-Water Management

Commodity: Chinese cabbage

Objectives:

1. To determine the appropriate spacing of Chinese cabbage

2. To know the effect of mulching on growth and yield of Chinese cabbage.

3. To measure the combined effect of different spacing and mulches for attaining maximum yield in Chinese cabbage.

Methodology:

An experiment was conducted in the Horticultural farm of Sher-e Bangla Agricultural University, Dhaka, Bangladesh during the period from October 2006 to December 2006. Seeds of White Sun (Fi Hybrid) of Chinese cabbage were used which was produced by Takii and Co. Ltd. Japan. The seeds were collected from Dhaka seed store, Siddique Bazar, Dhaka.The seedlings were raised at the Horticultural Farm, SAU, Dhaka under special care in a 1 m x 1 m size seed beds. The experiment considered of two factors. Details are presented below:

Factor A: Plant spacing (3 levels)

i. Si (50 cm x 20 cm)

ii. S2 (50 cm x 30 cm)

iii. S3 (50 cm x 40 cm)

Factor B: Mulches (3 levels)

i. Mo (No mulches/control)

ii. M1 (Water hyacinth mulch)

iv. M2 (Black polythene mulch)

There were 9 (3 x 3) treatment combinations such as S₁ M_o, S₁M_1, S_iM₂, S₂M₀, S₂M₁, S₂M₂, S₃M₀, S₃M₁ and S₃M₂.

The experimental plot was laid out in Randomized Complete Block Design (RCBD) with three replications. The layout of the experiment was prepared for distributing the treatment combinations in each plot of each block. Each block was divided into 9 plots where 9 treatment combinations were allotted at random. There were 27 unit plots altogether in the experiment. The size of the plot was 2.4 m x 1.0 m. The distance between two blocks and two plots were kept 1.0 m and 0.5 m, respectively.The selected experimental plot was opened in the last week of October 2006 with a power tiller and was exposed to the sun for a week. After one week the land was harrowed, ploughed and cross-ploughed several times followed by laddering to obtain a good tilth.Healthy and uniform sized thirty days old seedlings were transplanted in the main field on November 10, 2006. Mulches of black polythene sheet and water hyacinth were provided immediately after seedling transplanting where small holes were made on the mulches with maintaining proper spacing for seedling transplanting. The thickness of water hyacinth was maintained near about 10 cm.The mean values of all the characters were evaluated and analysis of variance was performing by the ‘F’ (variance ratio) test. The significance of the difference among the treatment combinations means was estimated by the Duncan’s Multiple Range Test (DMRT) at 5% level of probability (Gomez and Gomez, 1984).

Source of Information: M.S. Thesis, 2007, Dept, of Horticulture, Sher-e-Bangla Agricultural University, Dhaka

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The treatment combination of S2M1 (50 cm x 30 cm + water hyacinth mulch) was more profitable than those other mulch treatment. The maximum benefit cost ratio (2.71) was recorded from the treatment combination of S₂M₁ (50 cm x 30 cm spacing + water hyacinth mulch) and the minimum (1.17) was obtained from S₃M₀ (50 cm x 40 cm spacing + no mulch material).From the result it was ensured that the treatment combination of S₂M₂ (50 cm x 30 cm spacing + black polythene mulch) performed the highest yield than other treatment combination but the treatment combination of S2M1 (50 cm x 30 cm + water hyacinth mulch) was more profitable because of availability of water hyacinth than those other mulch treatment. The maximum benefit cost ratio (2.71) was recorded from the treatment combination of S₂M₁ (50 cm x 30 cm spacing + water hyacinth mulch) and the minimum (1.17) was obtained from S₃M₀ (50 cm x 40 cm spacing + no mulch material).

Knowledge Management: Thesis