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Effect of Nitrogen and Potassum on the Yield and Quality of Ginger in Hill Slope

M. M. Haque
Scientific Officer
Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari

A. K. M. M. Rahman
Chief Scientific Officer
RARS, Hathazari, Chittagong

M. Ahmed
Scientific Officer
Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari

M. M. Masud
Scientific Officer
Soil Science Division, BARI,Gazipur

M. M. R. Sarker
Scientific Officer
OFRD, Sylhet, Bangladesh

Abstract/ Executive Summary:

The field experiment on ginger was carried out at South-Eastern Hilly region at Hill Tracts Agricultural Research Station, Ramgarh, Khagrachari during the seasons of 2004-2005 and 2005-2006 to evaluate the response of ginger with different levels of nitrogen (N) (0, 120, 150 and 180 kg/ha) and potassium (K)(0, 100, 130 and 160 kg/ha). It is revealed that combined application of N and K was found more pronounced than the single effect of N and K. It is also noticed that effect of nitrogen was more distinct than K. The combined effect of N and K had significantly increased the yield and other yield contributing characters of ginger. It was also observed that N and K at highest rate N₁₈₀ K₁₆₀ kg/ha significantly augmented the ginger yield and other yield parameters. However, the highest plant height (63.7cm and 64.3cm), maximum number of leaves (19.2 and 19.7/plant) and fingers numbers (16.3 and 16.6 /plant) were recorded at N₁₈₀ K₁₆₀ kg/ha and significantly different over N₀K₀. Similarly, other yield parameters like ginger weight and rhizome yield was also significantly influenced by combined application of N and K up to N₁₈₀ K₁₆₀ kg/ha. However, the highest yield (26.3 t/ha and 27.6 t/ha) and the two years mean yield 26.95 t/ha were recorded by said dose of N and K @ N₁₈₀ K₁₆₀ kg/ha.

Keywords: Nitrogen, Potassum, Ginger yield, Quality

Location: Hill Tracts Agricultural Research Station, BARI, Ramgarh, Khagrachari

Start Date: 00-04-2004

End Date: 00-02-2006

Program Area: Crop-Soil-Water Management

Commodity: Ginger

Objectives:

To evaluate the response of ginger to various levels of N and K for high yield potential of ginger in hill tracts region

Methodology:

The field experiment was conducted at Brown Hill Soils of South- Eastern Hilly region at Hill Tracts Agricultural research Station, Ramgarh, Khagrachari during the kharif season of 2004-2005 and 2005-2006. The experiment was laid out in randomized block design with three replications. The unit plot size and seed to seed distance were 4 m x 5 m and 50 cm x 25 cm respectively. Local cultivar of ginger was taken as a test crop. There were sixteen treatment combinations each of 4 levels of N (0, 120, 150 and 180 kg/ha) and 4 levels of K (0, 100, 130 and 160 kg/ha) in the field study. All fertilizers except N were applied at final land preparation. N was applied in ginger plots in three equal installments at 25, 45 and 60 days of sprouting. Ginger rhizome (seeds) were planted @ 2.5 t/ha on April 2004 and 2005 and harvested on first week and mid February 2005 and 2006 of late rabi seasons respectively. All necessary intercultural operations were done in time. Data on different yield and other yield parameters were recorded from 10 randomly selected plants from each treatment. The collected data were analyzed statistically and adjusted with least significance (LSD) at 5% level of significance.

Source of Information: J.Soil.Nature. 1 (3):36-39, (2007)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It was revealed from two years study that N and K @ N₁₈₀ K₁₆₀ kg/ha along with the blanket dose of other nutrients was found to be optimum for maximizing yield of ginger in South- Eastern hilly region. So, it may be suggested that Nitrogen and Potassium @ N₁₈₀ K₁₆₀kg/ha can be suitable fertilizer package for ginger production in Chittagong Hill Tracts region.

Knowledge Management: Journal