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Effect of Nitrogen and Seed Rate on the Yield of Barley Under Rainfed Condition.

G. S. Torofder
Agronomy Division, Bangladesh Agricultural Research Institute Joydebpur, Gazipur, Bangladesh.

M. Altab Hossain
Agronomy Division, Bangladesh Agricultural Research Institute Joydebpur, Gazipur, Bangladesh.

Abstract/ Executive Summary:

Studies were conducted at Jamalpur during rabi season for two successive years to determine the response of rainfed barley (var. Jamalpur local) to seed rates (70, 80, 90, 100 and 110 kg/ha) and levels of nitrogen (0, 20, 40, 60, and 80 kg/ha). Grain yield obtained from 100 and 110 kg seeds/ha was significantly higher than the other seed rates. Nitrogen at 60 and 80 kg/ha gave maximum grain and straw yields irrespective of seeding rates. Two year's data indicated that considering the cost 60 kg N/ha with 100 kg seeds/ha would be optimum or best for maximizing the yield of barley under rainfed condition at Jamalpur.

Keywords: Nitrogen, Seed rate, Barley

Location: Agronomy Division, Bangladesh Agricultural Research Institute Joydebpur, Gazipur, Bangladesh.

Start Date: 00-06-1988

End Date: 00-12-1990

Program Area: Crop-Soil-Water Management

Commodity: Barley

Objectives:

To determine the effect of seed rates and nitrogenous fertilization of rainfed barley for two successive years.

Methodology:

The experiments were conducted at Grey Flood Plain soil of Jamalpur , Regional Agricultural Research Station, during 1988-89 and 1989-90 under rainfed condition. The moisture content at sowing upto a depth of 15 cm were 28 and 30% by weight during 1988-89 and 1989-90 respectively. Total precipitation received during the crop season was 60 mm in 1988-89 and 130 mm in 1989-90. The experiment was laid out in a split-plot design with five levels of nitrogen (0, 20, 40, 60, and 80 kg/ha) in the main plots and five seed rates (70, 80, 90, 100 and 110 kg/ha) in the sub plots. There were three replications. The total quantities of nitrogen, phosphorus (60 kg P₂O₅/ha) and potasium (40 kg K₂0/ha) were applied at the time of final land preparation. Seed of the variety Jamalpur local was sown on November 28 in 1988 and November 20, 1989 in rows 20 cm apart in continuous line. The crop was harvested during March 4, 1989 and March 8, 1990 respectively.

Source of Information: Annals B. Agric. 1 (1): 47-49, 1991

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the cost involved both for nitrogen and seed, the results revealed that 60 kg N/ha and seed rate of 100 kg N/ha would be optimum for maximizing the yield of barley under rainfed condition.

Knowledge Management: Journal