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Effect of Seedlings Per Hill and Nitrogen Rate on the Yield Performance of Fine Rice Cv. Kalizira

M. R. Islam
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

M. A. H. Khan
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

M. S. Rahman
Department of Agricultural Extension, Khamarbari, Dhaka

M. S. Alam
Germplasm Centre, Bangladesh Agricultural University, Mymensingh

M. S. Rahman
Regional Agricultural Research Station, BARI, Akborpur, Moulivibazar

Abstract/ Executive Summary:

Keywords: Seedlings, Nitrogen, Yield, Fine rice, Kalizira

Location: Agronomy Farm of Bangladesh Agricultural University, Mymensingh

Start Date: 00-07-2010

End Date: 00-12-2010

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

1. To determine the appropriate rate of nitrogen fertilizer for successful cultivation of fine rice; 2. To determine the optimum number of seedlings hill^-1 ; and 3. To find out the interaction, if any, among rates of nitrogen and number of seedlings hill^-1.

Methodology:

An experiment was conducted at the Agronomy Farm of Bangladesh Agricultural University, Mymensingh from July to December 2010 to investigate the effect of number of seedlings hill^-1 and nitrogen rate on the yield performance of fine rice (cv. Kalizira). The two factor experiment consisted of two levels of number of seedlings hill^-1viz., 2 and 4 and four levels of nitrogen rates viz., 0, 20, 40, 60 kg ha^-1. Nitrogen was applied in the form of urea. The experiment was layout in randomized compete block design with three replications. There were 8 plots in each replication. The size of the unit plot was 4.0 m×2.5 m. Total plots in the experimental field were 24. The seeds were collected from the Bangladesh Agricultural University Farm, Mymensingh. Manuring was done with cowdung at the rate of 5 t ha^-1 during the land preparation. In addition, the crop was fertilized with P₂O₅, K₂O, S and Zn at the rate of 60-40-60-5 kg ha_-1 at final land preparation in the form of triple supper-phosphate, muriate of potash, gypsum and ZnSO₄, respectively. One-third of N was applied at final land preparation and the rest of N was top dressed in three equal splits on 10, 25 and 45 days after transplanting (DAT).Forty days old seedlings were transplanted in the puddled field on 23 August 2010. Intercultural operation was done as and when necessary. The crop was harvested plot wise on 18 December 2010 at full maturity and the yields of both grain and straw were recorded after thoroughly during in the sun. Data pertaining to plant characteristics were taken from randomly selected hills harvested and collected from each plot. The-1000 grains weight was taken from dried grain samples of each unit plot. In respect of yield and yield contributing characters of the fine rice under study, the following data were collected. i) plant height (cm) ii) total number of tillers hill^-1 iii) number of effective tillers hill^-1, iv) number of non-effective tillers hill^-1, v) length of panicle (cm), vi) number of grains panicle^-1, vii) number of sterile spikelets panicle^-1, viii) weight of 1000 grains (g), ix) grain yield (t ha^-1), x) straw yield (t ha^-1), xi) biological yield (t ha^-1) and xii) harvest index. The collected data were analyzed using “Analysis of Variance” technique with the help of a computer package (MSTAT) and the mean differences were adjudged with Duncan’s Multiple Range Test.

Source of Information: J. Agrofor. Environ. 6 (1): 149-151, 2012; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It can be concluded that the Kalizira variety of fine rice can be cultivated in 60Kg N ha^-1 with 4-seedlings hill^-1. This conclusion has been made based on the results of the study, conducted only in one season.

Knowledge Management: Journal