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Effect of Micronutrients on Growth and Yield of Onion Under Calcareous Soil Environment

Md. Joynul Abedin
Department of Crop Science and Technology, University of Rajshahi, Bangladesh

Md. Nurul. Alam
Department of Crop Science and Technology, University of Rajshahi, Bangladesh

Md. Jamal Hossain
Institute of Biological Sciences, University of Rajshahi, Bangladesh

Nure Anjuman Ara
Institute of Biological Sciences, University of Rajshahi, Bangladesh

Kazi Md. Faisal Haque
Department of Genetic Engineering and Biotechnology, University of Rajshahi, Bangladesh

Abstract/ Executive Summary:

The field experiment was conducted to study the effect of micronutrients on growth and yield of onion cv. Taherpuri in High Ganges River Floodplain Soils (AEZ 11). Eight combinations of micronutrients were used. The rate of micronutrients were Zn:B:Mo:Mn:Cu:Cl::3:3:0.5:4:1:20 kg/ha in the treatments and N:P:K:S=50:50:100:20 kg/ha were also used as basal. The results were found to be significant in most of the yield contributing parameters of onion like in leaves/plant, plant height, diameter of bulb, fresh weight of leaves, fresh weight of bulb, diameter of bulb and bulb yield of onion. The maximum yield and yield contributing parameters of onion i.e. leaves/plant, plant height, diameter of bulb, fresh weight of leaves, fresh weight of bulb, diameter of bulb and bulb yield were obtained from T₄ but splitting of bulb in T₇ and fresh weight of roots in T₆. The minimum growth and yield contributing parameters were recorded in T₁. The response of Zn is more than B but both are statistically similar in most cases and the combination of Zn and B is better for vegetative growth and yield of onion. The response of different micronutrients for onion cultivation in calcareous soils can be expressed the following orders: (Zn + B)>Zn>B>Mo. Any commercial producers or marginal farmers will be benefited if they followed this fertilizer recommendation because Benefit Cost Ration has been calculated in conducting the research.

Keywords: Micronutrients, Calcareous soils, Onion growth, Onion bulb yield

Location: Wheat research centre, Shyampur, Rajshahi

Start Date: 00-11-2008

End Date: 00-02-2009

Program Area: Crop-Soil-Water Management

Commodity: Onion

Objectives:

To study the effect of micronutrients on growth and yield of onion in calcareous soils of Bangladesh.

Methodology:

The present study was conducted in the field of a farmer which is situated at the eastern side of wheat research centre, Shyampur, Rajshahi during the period from November, 2008 to February, 2009. The trial involved in the field with onion (cv. Taherpuri) with different treatments viz. T₁=control, T₂=Zn, T₃=B, T₄=Zn+B, T₅=Zn+B+Mo, T₆=Zn+B+Mn, T₇=Zn+B+Cu, T₈=Zn+B+Cl, T₉=Zn+B+Mo+Mn, T₁₀=Zn+B+Mo+Mn,T₁₁=Zn+B+Mo+Cu+Cl and laid out in Randomized Complete Block Design (RCBD) with three replications. The rate of micronutrients were Zn:B:Mo:Mn:Cu:Cl=3:3:0.5:4:1:20 kg/ha in the treatments and also N:P:K:S=50:50:100:20 kg/ha used as basal. Urea, Triple super phosphate (TSP), Potasium Sulphate, Gypsum, Zinc Oxide, Boric Acid, Sodium Molybdate, Manganees Oxide, Copper Sulphate and Sodium Chloride were used as source of N, P, K, S, Zn, B, Mo, Mn, Cu and Cl respectively. All fertilizers except Urea were applied during land preparation. Urea was used in three splits i.e. land preparation, 30 and 60 days after planting (DAP). There were no organic manures used in the experimental field. The size of each plot was 1 m × 1 m and plant spacing was 15 cm × 10 cm. Intercultural operations were performed carefully. Data on growth and yield components were collected. Data were analyzed statistically by using MSTAT-C. The soil sample (0-15cm) was analyzed of soil texture by Hydrometer method and other parameters by Hunter method.

Source of Information: International Journal of Biosciences (IJB); ISSN: 2220-6655 (Print) 2222-5234 (Online); Vol. 2, No. 8, p. 95-101, 2012

Article Link (Online Journal): http://www.innspub.net

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that the response of different micronutrients for onion production can be expressed in the following orders: (Zn+B)>Zn>B>Mo.

Knowledge Management: Journal