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Effect of Number of Seedling Hill-1 and Nitrogen Level on Growth and Yield of BRRI Dhan32

Md.Hafizar. Rahman
Scientific Officer
Hybrid Rice Division Bangladesh Rice Research Institute Gazipur-1701

Most Marufa Khatun
Scientific Officer
Pomology Division, HRC Bangladesh Agriculture Research Institute Gazipur

M. A. A. Mamun
Scientific Officer
Bangladesh Rice Research Institute Gazipur-1701

M. Zahidul. Islam
Scientific Officer
Bangladesh Rice Research Institute Gazipur-1701

M. Rafiqul. Islam.
Senior Scientific Officer
Bangladesh Rice Research Institute Gazipur-1701

Abstract/ Executive Summary:

An experiment was conducted at the Agronomy Field Laboratory of Bangladesh Agricultural University, Mymensingh during T. aman season 2002, to investigate the effect of number of seedling hill^-1 and nitrogen level on growth and yield component of BRRI dhan32.The treatments were the variation numbers of seedling hill^-1 viz., 1, 2, 3 and 4 seedling hill^-1and four levels of nitrogen viz; 0, 60, 80 and 100 kg N ha^-1. Number of seedlings hill^-1 significantly influenced growth and yield components except 1000-grain weight. It was found that the highest number of grains panicle^-1 (100.92) and grain yield (5.37 t ha^-1) were resulted from transplanting of 3 seedlings hill^-1 and the lowest grain yield (4.38 t ha^-1) was obtain from the transplanting of 1 seedling hill^-1. The highest straw yield (7.02 t ha^-1) was obtain from the transplanting of 4 seedlings hill^-1 and the lowest one (5.64 t ha^-1) from the transplanting of 1 seedling hill^-1. Nitrogen level significantly influenced growth and yield components. The maximum grains panicle^-1 (100.80) and highest grain yield (5.34 t ha^-1) were obtained with 80 kg N ha^-1. The highest straw yield (6.98 t ha^-1) was obtained at the highest nitrogen level (100 kg N ha^-1).

Keywords: Seedling number, Nitrogen level, Growth, Yield, BBRI dhan32.

Location: Bangladesh Agricultural University, Mymensingh

Start Date: 00-00-2002

End Date: 00-00-2002

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To find out the effect between number of seedling hill^-1 and nitrogen level on growth and yield of BRRI dhan32.

Methodology:

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during T. aman season (June to December). 2002, to investigate the effect of number of seedling hill^-1 and nitrogen level on growth and yield component of BRRI dhan32. The soil of the experimental unit belongs to the Sonatola Series of Old Brahmaputra Floodplain (AEZ-9), a non-calcareous dark grey floodplain soil and sandy loam in texture. The control plots received no nitrogen fertilizer. Weeding was done twice by hand pulling on 15 and 30 DAT Dimacron 100 EC @ 0.839 Litre 0.1 ha^-1 was applied to control rice stem borer at tillering stage (30 DAT). Five hills plot^-1 were taken randomly on 30, 45, 60, 75 and 90 DAT. The roots were washed thoroughly and discarded. After oven drying, the sample were weighed by using an electric balance which gave total dry matter and finally, it was expressed in g/m^-2.

Source of Information: J. Soil.Nature. 1(2):1-7. (July, 2007).

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Result showed that 3 seedlings hill^-1 and 80 kg N ha^-1 was optimum to produced maximum yield of BRRI dhan32.

Knowledge Management: Journal