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Growth, Development and Storability of Garlic as Influenced by Soil Liming and Boron

Md. Mostaque Ahmed
Scientific Officer
Spices Research Sub-center, BARI, Lalmonirhat

Abstract/ Executive Summary:

A field experiment was conducted at the Spices Research Sub-center, BARI, Lalmonirhat during rabi season 2009-2010 to find out the effectiveness of liming and boron on growth, development, yield and storability of garlic. The split plot design consists of 4 liming levels viz. 1.0 t/ha, 1.5 t/ha, 2.0 t/ha and control; 4 boron levels viz. 1.0 kg/ha, 1.5 kg/ha, 2.0 kg/ha and control. The results of the study revealed that the main effects of liming and boron levels were significantly varied on all parameters except bulb length (cm) no. of cloves/bulb and harvest index (%), respectively. Liming @ 1.5 t/ha and boron @ 1.5 kg/ha gave the highest yield of 6.092 t/ha and 6.107 t/ha and single bulb weight of 24.86g and 24.68g, respectively compared to control. The combined effect of liming and boron application was also significant. Application of lime @ 1.5 t/ha in combination with boron @ 1.5 kg/ha significantly influenced bulb weight, bulb diameter and yield.

Keywords: Garlic, Liming, Development, Growth, Storability

Location: Spices Research Sub-center, BARI, Lalmonirhat

Start Date: 01-10-2009

End Date: 30-04-2010

Program Area: Crop-Soil-Water Management

Commodity: Garlic

Objectives:

To find out the effectiveness of soil pH and boron on the growth, development, yield and storage quality of garlic.

Methodology:

The experiment was carried out at the Spices Research Sub-center, BARI, Lalmonirhat during rabi season 2009-2010. The soil of the experimental field was sandy-loam having soil pH of 5.39. The treatments comprised 4 liming levels 1.0 t/ha, 1.5 t/ha, 2.0 t/ha and control and 4 boron levels viz. 1.0 kg/ha, 1.5 kg/ha, 2.0 kg/ha having split plot design with three replications. The liming and boron levels were assigned with main plot and sub-plot respectively. The total number of unit plot was 48 and the size of the unit plot was 3 m X 2 m and spacing 20 cm X 10 cm. Well decomposed cow-dung 5.0 t/ha and the chemical fertilizers were applied at N100, P53, K167 and S20. Total amount of cow-dung, P, K, S and half of N were applied during final land preparation and the remaining urea was applied as side dress at 25 & 50 days after planting. The liming material dolomite was incorporated with moisture before 25 days of planting and boron was applied at final land preparation as per treatment. BARI Rashun-1 was planted on 2 November 2009. Intercultural operations such as weeding, mulching, insect-pests and disease control were done as and when needed. Harvesting of the crop was done on 25 March 2009. Data were collected on plant height (cm), bulb length (cm), bulb weight (g), bulb diameter (cm), no. of cloves/bulb, harvest index (%) and yield (t/h). The collected data were analyzed statistically and the mean were compared by LSD method (Gomez & Gomez, 1984).

Source of Information: Annual Report, 2010. Spices Research Center, BARI, Shibganj, Bogra.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/-

Total Budget (Tk.) : 20,000/-

Achievement/Findings:

Application of liming increased soil pH which might have increased the availability of boron to plants leading to better growth, development and yield of garlic. The highest yield (6.092 t/ha) and bulb weight (24.86 g) were recorded from lime level of 1.5 t/ha compared to control. Reduction in bulb development as well as yield decreased in the control treatment. The results indicated that the plant growth, development and yield were increased due to use of boron. liming material should be incorporated in soil at certain level which appeared at soil pH 5.5 to 6.0 for availability of boron. In this study, the optimum level of liming and boron level appeared to be 1.5 t/ha and 1.5 kg/ha respectively. As this is one year study, it should be studied further for definite conclusion.

Knowledge Management: Report/Proceedings