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Potentiality of Mustard Oil Cake for Improving Fine Rice Yield

Z. Sultana
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. P. Anwar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. M. Islam
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

N. Yasmin
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. R. Sarkar
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

A randomized complete block designed experiment having three replications was conducted at the Agronomy Field Laboratory, Department of Agronomy, Bangladesh Agricultural University, Mymensingh during aman season (July to December) of 2007 where mustard oil cake was tried at different levels (0, 25, 50, 75 and 100 kg ha^-1) and times (basal, 10 days after transplanting and 20 days after transplanting) with a high yielding fine rice variety BRRI dhan38. It was found that level of mustard oil cake and time of its application and their interaction exerted significant influence on all the characters of crop except panicle length and 1000-grain weight. Grain yields registered an increasing trend upto 75 kg ha^-1 MOC. The highest grain yield (2.33 t ha^-1) was recorded from the MOC @ 75kg ha^-1applied at 10 DAT. Economic analysis showed that the highest net profit (Tk. 25421.7 ha-1) and the highest benefit cost ratio (1.56) were recorded when MOC was applied @ 75 kg ha^-1. Therefore, application of MOC @ 75 kg ha^-1 at 10 DAT appears to be the best package for BRRI dhan38 from both yield and economic viewpoints.

Keywords: Level, Application time, Mustard oil cake, Grain yield and BRRI dhan38

Location: Agronomy Field Laboratory, Department of Agronomy, Bangladesh Agricultural University, Mymensingh

Start Date: 00-07-2007

End Date: 00-12-2007

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

1. To evaluate the potentiality of use of MOC in rice production, and to find out the optimum dose and proper time of application of mustard oil cake (MOC) for obtaining higher yield of BRRI dhan38.

Methodology:

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from July to December 2007 to evaluate the effect of level of mustard oil cake (MOC) and its time of application on the performance of fine rice cv. BRRI dhan38. The experiment included five different levels of MOC viz., 0, 25, 50, 75 and 100 kg ha^-1 and three different times of application of MOC viz., basal dose, 10 days after transplanting (DAT) and 20 DAT. BRRI dhan38 was used as planting material. The experiment was laid out in a randomized complete block design with three replications. The size of unit plot was 2.5m x 2.0m. Forty-days-old seedlings were transplanted on 23 August 2007 at the rate of 3 seedlings hill^-1 with 25cm x 15cm spacing. Each plot was fertilized with TSP, MOP, gypsum and zinc sulphate @ 100, 70, 60 and 10 kg ha^-1, respectively during the time of final land preparation, and urea @ 150 kg ha^-1 was top dressed in three equal splits at 15, 30 and 45 DAT. MOC was top dressed to the plots as per treatment. Necessary intercultural operations were done in order to ensure and maintain the normal growth of the crop. When 90% of grain became golden yellow in color, ten hills (excluding border hills) were randomly selected from each unit plot for recording data on different crop characters like plant height, number of effective tillers hill^-1, number of non-effective tillers hill^-1, panicle length, number of grains panicle^-1, number of sterile spikelets panicle^-1 and 1000-grain weight, while grain and straw yields were recorded from central 1 m² area. Data were analyzed and mean differences were adjudged by Duncan’s Multiple Range Test. The cost of individual head of expenditure, gross return, net profit and benefit cost ratio were recorded and partial budget analysis was also done.

Source of Information: J. Agrofor. Environ. 2(1): 1-6, 2008; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It was found that level of mustard oil cake and time of its application and their interaction exerted significant influence on all the characters of crop except panicle length and 1000-grain weight. Grain yields registered an increasing trend upto 75 kg ha^-1 MOC. The highest grain yield (2.33 t ha^-1) was recorded from the MOC @ 75kg ha^-1applied at 10 DAT. Economic analysis showed that the highest net profit (Tk. 25421.7 ha^-1) and the highest benefit cost ratio (1.56) were recorded when MOC was applied @ 75 kg ha^-1. Therefore, application of MOC @ 75 kg ha^-1 at 10 DAT appears to be the best package for BRRI dhan38 from both yield and economic viewpoints.

Knowledge Management: Journal