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Effect of Nitrogen and Potassium on the Growth and Yield of Ginger

M.A. Islam
Senior Scientific Officer
Spices Research Center, BARI, Shibganj, Bogra

Abstract/ Executive Summary:

An experiment was carried out at the spices Research Center, Bogra during kharif season April 2007 to January 2008 to study the effect of varying levels of nitrogen and one level of potassium fertilization on growth and yield of ginger. The treatment consisted of four levels of nitrogen (0, 80, 120 & 160 kg/ha) and potassium (120kg/ha) in randomized block design with four replications. Nitrogen application showed significant influence on growth and yield parameters up to 120 kg/ha.

Keywords: Nitrogen, Potassium, Growth and yeld, Ginger

Location: Spices Research Center, BARI, Shibganj, Bogra

Start Date: 10-04-2007

End Date: 25-01-2008

Program Area: Crop-Soil-Water Management

Commodity: Ginger

Objectives:

To study the response to ginger at different levels of nitrogen and potassium
To fix up the optimum dose for enhance productivity.

Methodology:

The field experiment was conducted at Spices Research Centre, Bogra during the period kharif season from April, 2007 to January 2008.Treatment Nitrogen (%) Potassium (meq/100gm soil) Organic matter (%) T₁ 0.04 0.17 0.91 T₂ 0.06 0.22 0.92 T₃ 0.05 0.14 1.00 T₄ 0.07 0.14 1.54 T₁= 0, T₂ 80, T₃ 120 and T₄160 kg N/ha The unit plot size was 4.0x 1.5m, 50cm apart with a plant to plant distance 25.0 cm. Rhizome were planted 10th April 2007 and were harvested 25th January 2008. The treatments comprising of four levels of nitrogen (0, 80, 120 & 160 kg/ha) and K one level (120 kg/ha) were laid out in randomized block design with four replication. An uniform basal dose of cowdung, TSP, Zinc and Gypsum @ 5t, 267kg, 3 kg and 111 kg/ha respectively along with full dose of K as per treatment and half of the N was give 50 days after planting. Remaining N were applied in two equal splits at 80 and 110 days after planting well sprouted rhizome (45-50g) of advanced line (G0014) were planted in ridges method. Different intercultural operations such as pest and disease management, weeding, irrigation, earthing up and etc. were done as and when necessary. Rhizome were harvested when plant showed symptoms of leaf drying and lodged on the soil. Data on plant height, No. of tiller/plant, No. of leaves/hill, No. and wt. of primary rhizome, No. and wt. of secondary rhizome, up rooting of old mother rhizome, wt./hill and yield were recorded from randomly selected 10 plants of each treatment. The data were analyzed statistically and means were separated to find out difference among the treatments.

Source of Information: Research Report 2008. Spices Research Center, BARI, Shibganj, Bogra

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 15,000/-

Total Budget (Tk.) : 15,000/-

Achievement/Findings:

All growth and yield contributing characters showed significant effect except plant height and No. of primary rhizome/plant. Application of nitrogen increased the yield and yield components significantly up to 120kg/ha. The maximum yield of (19.14 t/ha) was recorded with the application of 120 kg N/ha, while the lowest, yield (12.25 t/ha) with the application of N kg/ha. Due to crop growth was better with maximum number of tiller and leaves per plant which help in higher photosynthesis, this ultimately resulted maximum rhizome yield N 120 kg/ha treatment were significantly higher than others. It might be concluded that application of N120 kg/ha would be suitable for ginger production.

Knowledge Management: Journal, Report/Proceedings