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Study on Mixed Cropping Mungbean with Sesame at Different Seeding Rates

M. O. Ali
Principal Scientific Officer
Pulse Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh

M. J. Alam
Scientific Officer
Pulse Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh

M. A. Islam
Scientific Officer
Pulse Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh

M. Shahin-Uz-Zaman
Scientific Officer
Pulse Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh

M. S. Alam
Scientific Senior Officer
Pulse Research Centre, Bangladesh Agricultural Research Institute (BARI), Ishurdi, Pabna, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at PRC, Ishurdi, Pabna during Kharif-I season of 2007 to evaluate the technological feasibility and economic validity of mixed cropping mungbean with sesame by the different seeding rates. There were 7 seeding rates viz. mungbean (sole), sesame (sole), 90% mungbean seeds with 10% sesame, 80% mungbean seeds with 20% sesame, 70% mungbean seeds with 30% sesame, 60% mungbean seeds with 40% sesame, 50% mungbean seeds with 50% sesame. The seed yields of mungbean and sesame when mixed cropped under variable seeding rates were less than their sole crop yields but combined yields or equivalent yields of mungbean and sesame from mixed cropping were more than the sole crop yield of either mungbean or sesame. Significantly, the highest equivalent yield of mungbean (1476.00 kg/ha) was obtained by 70% mungbean with 30% sesame seeding ratio which was statistically identical to 90% mungbean with 10% sesame and 80% mungbean with 20% sesame but the lowest seed yield (949.00 kg/ha) was found in sole sesame. Land equivalent ratios (LER) from mixed cropping were increased by 12 to 27 over sole crop yields. The highest LER (1.27) was obtained by 70% mungbean with 30% sesame. The highest net return (Tk 31,560.00 /ha) and BCR (2.57) were found in 70% mungbean with 30% sesame and the lowest net return (Tk 16,715.00 /ha) and BCR (2.01) were found in sole sesame.

Keywords: Mixed cropping, seeding rates, grain yield

Location: Experimental Field of Pulse Research Centre, Ishurdi, Pabna

Start Date: 20-03-2007

End Date: 11-06-2007

Program Area: Crop-Soil-Water Management

Commodity: Sesame

Objectives:

To evaluate the technological feasibility and economic validity of mixed cropping mungbean with sesame by the different seeding rates.

Methodology:

The experiment was conducted at Pulses Research Centre (PRC), Ishurdi, Pabna during Kharif-I season of 2007. There were seven seeding rates viz. mungbean (sole), sesame (sole), 90% mungbean with 10% sesame, 80% mungbean with 20% sesame, 70% mungbean with 30% sesame, 60% mungbean with 40% sesame, 50% mungbean with 50% sesame. The experiment was laid out in RCB design with 3 replications. The unit plot size was 4 m x 5 m. The soil of the experimental plot was silty loam having pH 7.5. Seed sowing date was 20 March, 2007. Sole sesame and all other plots were fertilized through NPK @ 35-55-20 kg/ha and 20-40-20 kg/ha, respectively. The variety BARImung-6 and BARItil-3 were used and seed rates were 25 kg/ha and 7.00 kg/ha respectively for sole cropping and combination of seed rates incase of mixed cropping were sequentially divided as per treatments. Weeding and other intercultural operations were done as and when required. First and second pod harvesting of mungbean were done at 18 May, 2007 and 3 June, 2007, respectively. Sesame was harvested at 11 June, 2007. Data on yield contributing characters were recorded from 10 randomly selected plants from each plot and grain yield (kg/ha) was recorded from whole plot at harvest. The treatments were evaluated in terms of land equivalent ratio (LER) using the fomulae. The recorded data were statistically analyzed and mean values were separated by Duncan’s Multiple Range Test (DMRT). All types of variable production cost are recorded to find out the benefit cost ratio (BCR). Economic analysis with respect to net return was carried out to evaluate the profitability of different treatments.

Source of Information: Int. J. Sustain. Crop Prod. 2(5):74-77, 2007

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Seeding combination of mungbean and sesame @ 70% mungbean with 30% sesame is profitable for this mungbean-sesame mixed cropping system, giving the highest equivalent yield, monetary advantage and benefit cost ratio (BCR).

Knowledge Management: Journal