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Response of Fertilizer and Plant Spacing on the Yield of Baby Corn

M. A. Aziz
SSO
Agronomy Division, Gazipur

M. Aktheruzzaman
SSO
Agronomy Division, Gazipur

Abstract/ Executive Summary:

An experiment was conducted at Joydebpur, Gazipur during the rabi season of 2001-2002 to find out the optimum plant spacing in relation to fertilizer dose for maximum yield of baby corn. Four plant spacing (40 cm x 20 cm i.e., 1,25,000 plants/ha, 50 cm x 20 cm i.e. 1,00,000 plants/ha, 60 cm x 20 cm i.e., 83,333 plants/ha and 70 cm x 20 cm i.e., 71, 428 plants/ha) and three levels of fertilizer (160-80-70-3, 120-60-50-20 and 80-40-20-10 kg N, P₂O₅, K₂O and S/ha) formed the treatment variables. One third of N and all other fertilizers were applied as basal. The variety BBC-1 was used as a test crop and seeds were sown on December 12, 2001. The remaining 2/3 rd N were splited in two equal halves at 25 and 45 DAE. Three irrigation was given to the crop, first one immediately after sowing for proper germination. Second and third irrigation were given before top dressing of N at 25 and 45 DAE. Harvesting was done at flowering stage. The result showed that highest gross return was obtained from closer spacing with high fertilizer doses. There was a trend to decrease gross return with the increase of spacing and low fertilizes doses. Closer spacing with higher fertilizer dose also showed higher benefit-cost ratio. However, closer spacing (40 cm x 20 cm) with higher fertilizer dose (160-80-70-30 kg N, P₂O₅, K₂O and S/ha) gave higher monetary advantage.

Keywords: Response, Fertilizer, Plant spacing, yield, Baby corn,

Location: Joydebpur, Gazipur

Start Date: 12-12-2001

End Date: 05-03-2002

Program Area: Crop-Soil-Water Management

Commodity: Maize

Objectives:

To find out the optimum plant spacing in relation to fertilizer dose for maximum yield of baby corn.

Methodology:

The experiment was conducted at the Bangladesh Agricultural Research institute farm, Gazipur during the period of December to 2002-2003. The trial was laid out in a split-plot design with three replications. Four different plant spacing viz. S₁ = 40 cm x 20 cm (125000 plants/ ha), S₂= 50 cm x 20 cm (100000 plants/ ha, S₃= 60 cm x 20 cm (83333 plants/ ha, S₄= 70 cm x 20 cm (71428 plants/ ha) was assigned in the main plots and three levels of fertilizer,F₁ = 160-80-70-30, F₂= 120-60-50-20 and F₃= 80-40-20-10 kg/ha N, P₂O₅, k₂O and S in sub-plots. The unit plot size was 4 m x 3 m. One third N and all other fertilizers were applied as basal and the remaining 2/3 rd N were split in two equal halves at 25 and 45 days after emergence, respectively.

Source of Information: Annual Report, Agronomy Division, 2001-2002

Article Link (Online Journal):

Funding Source:

1. Asian Development Bank

Budget: 10,000/-

Total Budget (Tk.) : 10,000/-

Achievement/Findings:

The result showed that highest gross return was obtained from closer spacing with high fertilizer doses. There was a trend to decrease gross return with the increase of spacing and low fertilizes doses. Closer spacing with higher fertilizer dose also showed higher benefit-cost ratio. However, closer spacing (40 cm x 20 cm) with higher fertilizer dose (160-80-70-30 kg N, P₂O₅, K₂O and S/ha) gave higher monetary advantage.

Knowledge Management: Report/Proceedings