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Effects of Boron and Sulphur on the Growth and Yield of Onion

J. K. Paul
Department of Horticulture, Hajee Mohammad Danesh Science and Technology University, Dinajpur.

B. C. Halder
Department of Horticulture, Hajee Mohammad Danesh Science and Technology University, Dinajpur.

M. A. Khan
Department of Horticulture, Hajee Mohammad Danesh Science and Technology University, Dinajpur.

Abstract/ Executive Summary:

An experiment was conducted at the Horticulture Farm, Hajee Mohammed Danesh Science and Technology University, Dinajpur from November 2006 to April 2007 to know the effect of boron and sulphur on the growth and yield of onion cv. Taherpuri. The treatment consisted of four levels of each boron (0, 0.5,1 and 2 kg/ha) and sulphur (0, 15, 30 and 60 kg/ha). There was a significant influence of boron and sulphur on yield and yield attributes of onion. Boron @ 1 kg/ha gave the highest yield of bulb (13.19 t/ha) and sulphur @ 30 kg/ha produced the highest yield (12.24 t/ha). However, a combined application of boron and sulphur produced higher yield than boron and sulphur alone. Boron @ 1 kg/ha together with sulphur @ 30 kg/ha produced maximum yield of bulb (15.38 t/ha).

Keywords: Boron, Sulphur, Growth, Yield, Onion

Location: Horticulture Farm, Hajee Mohammed Danesh Science and Technology University, Dinajpur

Start Date: 00-11-2006

End Date: 00-04-2007

Program Area: Crop-Soil-Water Management

Commodity: Onion, Boron, Sulphur

Objectives:

In Bangladesh, particularly in northern region very limited works have been carried out regarding the use of different levels of boron and sulphur other than NPK fertilizers. Therefore, the present study was undertaken to investigate the effects of boron and sulphur on the growth and yield of onion cv. Taherpuri.

Methodology:

The experiment was conducted at the Horticulture Farm, Hajee Mohammed Danesh Science and Technology University, Dinajpur since November 2006 to April 2007. The objective of the study was to evaluate the effects of boron and sulphur on the growth and yield of onion cv. Taherpuri. This two-factor experiment consisted of four levels of boron (0, 0.5, 1 and 2 kg/ha) and four levels of sulphur (0, 15, 30 and 60 kg S/ha). The experiment was laid out in Randomized Complete Block Design (RCBD) with sixteen treatment combination replicated three times. Observations were made on plant height and number of leaves per plant at and 60 DAT, and fresh weight of leaves per plant, dry weight of leaves per plant, fresh weight of roots per plant, dry weight of roots per plant, fresh weight of bulbs, bulb diameter and yield of bulb. The collected data were statistically analyzed and the significance of the treatment means was evaluated by DMRT (Gomez and Gomez, 1984).

Source of Information: J. Sci. technol. (Dinajpur) Vol. 5: 60-66 (2007) ISSN 1994-0386

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

This result revealed that the combination of the highest level of boron (2 kg/ha) and sulphur (60 kg/ha), however, reduced the yield. It was not unlikely that the excessive amount of fertilizers caused a delayed bulb development leading to reduced yield. Moreover, the fertilizer use depends on soil condition, pungency and other internal characteristics of the crops.

Knowledge Management: Journal