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Effect of Time of Sowing and Plant Spacing on Broccoli Production

Hossain MF
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Ara N, Uddin MR
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Dey S and Islam MR
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Agricultural Research Station, BARI, Thakurgaon during rabi season, 2009/10 to find out the optimum time of sowing and plant spacing on broccoli production. Three sowing time viz. (i) 1 October, (ii) 15 October and (iii) 30 October and three plant spacing viz. (i) 60 x 40cm, (ii) 60 x 50cm and (iii) 60 x 60cm were included in the study. Yield and yield contributing charac-ters were significantly influenced by the treatments. 1 October sowing produced the highest yield (21.39 t/ha) and 30 October sowing produced the lowest yield (13.6t/ha) of broccoli. On the other hand, closer spacing (60 x 40cm) produced the highest yield (18.8t/ha) which was statistically similar to 60 x 50cm (17.6t/ha) and lowest yield (16t/ha) was obtained from 60 x 60 cm spacing. 1 October sowing and 60 x 40cm plant spacing combination produced the highest yield (22.5t/ha) which was statistically similar to 1 October sowing and 60 x 50cm plant spacing (21.9t/ha) and the lowest yield (12.8t/ha) was produced from 30 October sowing and 60 x 60cm plant spacing combination.

Keywords: Broccoli Production, Planting Time and Spacing, Cruciferacea

Location: The research was carried out at Agricultural Research Station, Thakurgaon

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Crop-Soil-Water Management

Commodity: Broccoli

Objectives:

To identify the best sowing time and plant spacing.

Methodology:

The research was carried out at Agricultural Research Station, Thakurgaon during rabi sea-son 2009/10 as a factorial experiment, laid out in RCB design with 3 replications. The unit plot size was 10m x 1.2m. The amounts of fertilized applied (kg/ha) as fol-lows: Urea, 260: TSP, 150: MoP, 100: Gyp-sum, 80; Zn, 1.5; Boron, 2. Total amount of cow dung, TSP, gypsum, zinc sulphate and bo-ric acid were applied in the plot during final land preparation. Urea and MoP were applied in three equal installments at 15, 30 and 45d after planting. Irrigations were done when nec-essary. Three weeding was also done after planting. Ten plants were selected randomly for data col-lection. Immature and developed broccoli heads from each treatment were harvested at 7- 10d interval throughout the harvesting season. The number of leaves per plant, days to first harvest, head size, single head weight, Main head yield, lateral head yield and total yield were recorded. The collected data were ana-lyzed statistically and the means were separated by LSD.

Source of Information: Tropical Agricultural Research & Extension 14(4): 2011

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Results of the present study revealed that 1 October to 15 October seed sowing is the optimum time for broccoli production. Before 1 October, seed sowing was not possible because of rainfall in Bangladesh. Besides, 60cm x 40cm and 60cm x 50cm plant spacing increased statistically similar yield of broccoli. Further studies are needed to optimize the specific time and plant spacing for the highest yield of broccoli.

Knowledge Management: Journal