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Effect of Nitrogen and Mulches on the Yield and Economics of Chinese Cabbage (brassica Campestris Var. Pekinensis)

D. Easmin
Department of Horticulture and Post-harvest Technology, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

M. H. Akand
Department of Horticulture and Post-harvest Technology, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

M. J. Islam
Department of Horticulture and Post-harvest Technology, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from October 2005 to December 2005 to study the effect of nitrogen and mulching on the growth and yield of Chinese cabbage. The highest fresh weight of head (2.43 kg) was recorded in N₃ (250 kg N/ha) on the other hand the lowest fresh weight (1.57 kg) was recorded in N₀ (control). The maximum thickness and diameter of head (25.18 and 17.06 cm) of Chinese cabbage was recorded in N₃ (250 kg N/ha) and the minimum thickness and diameter of head (18.98 and 14.21 cm) was recorded in N₀ (control). The highest marketable yield per hectare of Chinese cabbage (120.06 ton) was recorded in N₃ (250 kg N/ha) and the lowest yield (67.90 ton) was recorded in N₀ (control). The highest fresh weight of head/plant of Chinese cabbage (2.44kg) was recorded in M₁ (black polythene) and the lowest fresh weight of head (1.72kg) was recorded in M₀ (control). The maximum thickness and diameter of head of Chinese cabbage (24.74 and 16.86 cm) was recorded in M₁ (black polythene) and the minimum thickness and diameter of head (18.98 and 15.10 cm) was recorded in M₀ (Control). The highest marketable yield per hectare of Chinese cabbage (123.27 ton) was recorded in M₁ (black polythene) and the lowest yield (76.51 ton) was recorded in M₀ (control). In and every case maximum growth and yield contributing characters and yield was observed in N₃M₁ (250 kg N + black polythene) and the reverse result was recorded in N₀M₀ (control). In the combination of different doses of nitrogenous fertilizer and different mulches highest benefit cost ratio (3.56) was attained from the treatment combination N₃M₁ (250 kg N + black polythene) and the lowest (1.22) was obtained in N₀M₀ (Control).

Keywords: Mulches, Nitrogen, Chinese cabbage

Location: Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Start Date: 00-10-2005

End Date: 00-12-2005

Program Area: Crop-Soil-Water Management

Commodity: Cabbage

Objectives:

To study the effect of nitrogen and mulching on the growth and yield of Chinese cabbage.

Methodology:

The experiment was conducted at the Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period from October 2005 to December 2005 to study the effect of nitrogen and mulching on the growth and yield of Chinese cabbage. The experiment consisted of two factors. Factor A: Levels of nitrogen (4 levels) i.e. N₀ (No N fertilizer/Control), N₁ (160 kg/ha), N₂ (200 kg/ha) and N₃ (250 kg/ha); Factor B: Mulches (4 levels) i.e. M₀ (No mulch), M₁ (black polythene), M₂ (saw dust) and M₃ (water hyacinth). The experiment was laid out in the two factors Randomized Complete Block Design (RCBD) with three replications. The significance of the difference among the treatment was estimated by the least significant difference (LSD) test at 5% level of probability.

Source of Information: Progress. Agric. 20(1 & 2) : 79 – 84, 2009 ISSN 1017-8139

Article Link (Online Journal): http://www.banglajol.info/index.php/PA/article/view/16855/11832

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Nitrogen fertilizer showed a gradually increasing trend of fresh weight of head of Chinese cabbage. In the combination of different doses of nitrogen fertilizer and different mulches highest gross return (Tk. 723,350) was obtained from the treatment combination of N₃M₁ and the second highest gross return (Tk. 677,050) was obtained in N₂M₂. The lowest gross return (Tk. 228,000) was obtained in N₀M₀. In case of net return different treatment combination showed different types of net return. In the combination of different doses of nitrogen fertilizer and different mulches highest net return (Tk. 519,929) was obtained from the treatment combination N₃M₁ and the second highest net return (Tk. 474,050) was obtained in N₂M₁. The lowest net return (Tk. 40,404) was obtained in N₀M₀. In the combination of different doses of nitrogen fertilizer and different mulches highest benefit cost ratio (3.56) was attained from the treatment combination of N₃M₁ and the second highest benefit cost ratio (3.34) was acquired in N₂M₁ and lowest (1.22) was obtained in N₀M₀.

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