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Effect of Spacing and Number of Seedlings Per Hill on the Yield Performance of Fine Rice Cv. Kalizira

M.R. Islam
Department of Agricultural Extension, Khamarbari, Dhaka

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

S. Afrin
Upozilla Nirbahi Office, Damurhuda, Chuadanga

Abstract/ Executive Summary:

An experiment was conducted at the Agronomy Farm of Bangladesh Agricultural University, Mymensingh from July to December 2009 to investigate the effect of hill density and number of seedlings hill^-1 on the yield performance of fine rice (cv. Kalizira). The experiment consisted of three hill densities, viz. 25cm×20cm, 25cm×15cm, 25cm×10cm and two levels of number of seedlings hill^-1 viz. 2 and 4. The experiment was layout in randomized compete block design with three replications. The highest and the lowest number of total and effective tillers hill^-1, thousand grain weight and harvest index were found when hill densities were 25 cm×20 cm and 25 cm×10 cm, respectively. The highest number and the lowest of non-effective tillers hill^-1 were found in case of 2-seedilings hill^-1 and 4-seeedlings hill^-1 respectively. The highest grain yield was observed where hill density was 25 cm×20 cm with 4- seedlings hill^-1. Results indicated that relatively wider hill density and higher number of seedlings hill^-1 produced higher yield. So the variety Kalizira should preferably be transplanted in a hill density of 25 cm×20 cm with 4-seedilngs hill^-1 to obtain the desired grain yield.

Keywords: Spacing, Hill density, Fine rice, Kalizira

Location: Agronomy Farm of Bangladesh Agricultural University, Mymensingh

Start Date: 00-07-2009

End Date: 00-12-2009

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

1. To find out the effect of hill density on the yield and yield components of fine rice cv. Kalizira, 2. To determine the optimum number of seedlings hill^-1and 3. To find out the interaction, if any, among hill density and number of seedlings hill^-1.

Methodology:

The experiment was conducted at the Agronomy Farm of Bangladesh Agricultural University, Mymensingh from July to December 2009 to investigate the effect of hill density and number of seedlings hill-1 on the yield performance of fine rice (cv. Kalizira). The experiment consisted of three hill densities, viz., 25 cm×20 cm, 25 cm×15 cm, 25 cm×10 cm and two levels of number of seedlings hill-1 viz., 2 and 4. The experiment was layout in randomized compete block design with three replications. There were 6 plots in each replication. The size of the unit plot was 4.0 m×2.5 m. Total plots in the experimental field were 18. The seeds were collected from the Bangladesh Agricultural University Farm, Mymensingh. Seedlings were raised in a medium high land. Care was taken so that there was no infestation of pests and diseases and no damage by birds or cattle. Manuring was done with cowdung at the rate of 5 t ha^-1 during the land preparation. In addition the crop was fertilized with N, P₂O₅, K₂O, S and Zn at the rate of 60- 60-40-60-5 kg ha^-1 at final land preparation in the form of urea, 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).Seedlings were uprooted carefully without causing any injury to the roots and were kept in soft mud under shade. Thirty five day old seedlings were transplanted in the puddled field on 23 August 2009.Intercultural operation were done as and when necessary. The crop was harvested plot wise on 9 December 2009 and 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): 79-82, 2012; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The Kalizira variety of fine rice can be cultivated in 25 cm×20 cm hill density with 4-seedlings hill^-1 as the promising practice to produce better grain yield. This conclusion has been made based on the results of the study, conducted only in one season.

Knowledge Management: Journal