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Response of Ginger to Zinc and Boron Fertilization

N. K. Halder
Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh

N. C. Shill
Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh

M. A. Siddiky
Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh

R. Gomes
Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh

J. Sarkar
Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh

Abstract/ Executive Summary:

A field study was conducted at Brown Hill Soils (Eutrochrepts) of South Eastern Hilly region at Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari during the Kharif seasons of 2004-2005 and 2005-2006, respectively. The objective was to evaluate the response of ginger (cv. local) to B and Zn fertilization and to find out the optimum dose of Zn and B for maximizing yield of ginger in Hilly Region. Four levels of B (0.1, 2 and 3 kg ha-1) and Zn (0, 1.5, 3.0 and 4.5 kg ha-1) along with combined blanket dose of N₁₈₀ P₅₀ K₁₂₀ S₂₀ and CD5 t ha^-1 were taken in the experiment to study. It is evident from studied data revealed that Zn either in single or in combination with B made significant effect on ginger production in micronutrient deficient soils. However boron produced 46.72% higher yield in first year and 89.92% higher yield in second year over boron control (Bo) whole calculated 23.72 and 52.26% higher yield than that of Zinc in two consecutive years. The integrated effect of B and Zn was found to be highly significant and markedly influenced the rhizome yields and other yield attributes of ginger. The boron (3 kg ha^-1) and zinc (4.5 kg ha^-1) individually produced rhizome yield 23.5 and 25.8 t ha^-1 and 20.4 and 22.3 t ha^-1 in three consecutive years of 2004-2005 and 2005-2006, respectively. However, integration of Zn and B at the maximum level (B3.0 Mo4.5 kg ha^-1) significantly produced the highest ginger yield (25.5 and 26.8 t ha^-1) and 125 and 143% yield increase over Boron-Zinc control (Bo Zno) in two successive years of study. Similarly, the highest net economic return Tk.752.030 and Tk. 804000 and the highest marginal rate of return (MRR) 484 and 548%, respectively were obtained with the application of B at the rate of 3 kg ha^-1 and Zn at the rate of 4.5 kg ha^-1 which was found to be economically profitable for ginger production in South-Eastern Hilly region.

Keywords: Zinger, Boron, Zinc, Fertilization

Location: Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari

Start Date: 00-00-2001

End Date: 00-00-2006

Program Area: Crop-Soil-Water Management

Commodity: Ginger

Objectives:

To find out the optimum dose of Zn and B for boosting ginger yield in hilly region.

Methodology:

The field experiment was conducted at Brown Hill Soils (Eutrochrepts) of Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari during Kharif seasons of 2001-2005 and 2005-2006 to find out the optimum dose of Zn and B for boosting ginger yield in hilly region. The experimental soil was found to be strongly acidic in nature and the organic matter including other nutrients element status was below critical levels. The physical and chemical properties of analyzed soil sample are presented. The field trials were laid out in randomized block design having replications thrice. The unit plot size and seed to seed distance were 4x5 m and 50x25 cm, respectively. There were sixteen treatment combinations comprising each of 4 levels of B (0, 1, 2 and 3 kg ha^-1) and 4 levels of Zn (0, 1.5, 3.0 and 4.5 kg ha^-1) along with blanket does of N₁₈₀ P₅₀ K₁₂₀ S₂₀ and CD5 t ha^-1 were taken in study. Local rhizome (cv.) of ginger was used as a test crop. All PKSZnB and CD were applied as source of urea, TSP, MP, Gypsum, Boric Acid and Zinc Oxide during final land preparation. Nitrogen was applied around the plants in split at 80 and 110 days after planting rhizome seeds. Intercultural operations like mulching, weeding, earthing up etc were done as required by the experiment. The seeds were planted in first week of April, 2004 and 2005, respectively and harvested on mid February for both the years. Necessary data on different parameters were recorded from 10 randomly selected plants. The collected data on plant height, leaves number, number of fingers, finger size and weight and yield of ginger per plant were analyzed statistically and adjusted with Least Significant Difference (LSD) at 5% level of significance.

Source of Information: Asian Journal of Plant Sciences, 6 (2): 394-398, 2007, ISSN 1682-3974

Article Link (Online Journal): DOI: 10.3923/ajps.2007.394.398, URL: http://scialert.net/abstract/?doi=ajps.2007.394.398

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It is revealed from two years study, that zinc and boron made an encouraging effect on the yield and yield attributes of ginger. However, it is summarized from the studied result that B at the rate of 3.0 kg ha^-1 and Zn 4.5 kg ha^-1 along with combined blanket dose of N₁₈₀P₅₀K₁₂₀S₂₀ and CD 5 t ha^-1was found to be optimum for maximizing yield of ginger in South-Eastern Brown Hill Soils (Eurochrepts) of Chittagong Hill Tract Region.

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