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Effect of Planting Arrangements on Productivity of Cotton + Mungbean Intercropping Systems

M. F. A. I. Tabib
Deputy Director
Cotton Development Board, Dhaka Region, Dhaka.

M. A. Karim
Professor
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur.

M. M. Haque
Professor
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur.

Q. A. Khaliq
Professor
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur.

A. R. M. Solaiman
Professor
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur.

Abstract/ Executive Summary:

An experiment was conducted at the Cotton Research Farm, Sreepur, Gazipur during 2009-10 growing season to maximize the benefit of cotton + mungbean intercropping system through appropriate planting arrangement of component crops in the system. Performance of eight different planting arrangements, such as 1, 2, 3 and 4 rows of mungbean in between single row of cotton and 4, 5, 6 and 7 rows of mungbean in between paired row cotton ware compared against their sole cropping. Intercropping and mungbean density reduced individual yield of cotton and mungbean compared to their sole cropping but increased equivalent yield of both cotton and mungbean. The highest seed cotton (2951 kg ha^-1) and mungbean (3373 kg ha^-1) equivalent yield was recorded from the paired row cotton +4-row mungbean. The land equivalent ratio of the same combination indicated 31% yield advantage over sole cropping. The same plating arrangement also recorded the highest gross return (Tk. 118039 ha^-1), gross margin (Tk. 60220 ha^-1) and BCR (2.04). Thus, the panting arrangement of paired row cotton and 4 rows of mungbean could be grown for higher productivity and economic return in the system.

Keywords: Spatial arrangement, Cotton, Mungbean, Intercropping

Location: Cotton Research Farm, Sreepur, Gazipur

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Farming System

Commodity: Cotton

Objectives:

To determine the appropriate planting arrangement of both cotton and mungbean in order to achieve maximum productivity and economic return from cotton + mungbean intercropping system.

Methodology:

The experiment was conducted at the Cotton Research Farm, Sreepur, Gazipur during 2009-10 growing season. The site was high land and located in the centre of Madhupur Tract of agro-ecological zone (AEZ)-28. The soil of the experimental site belongs to the Salna series and is classified as Shallow RedBrown Terrace type which falls under the order Inceptisols of soil taxonomy (Anon., 1988; Brammer, 1996). Experiment was laid out in randomized complete block design (RCBD) with three replications. The unit plot size was 5.4 m x 4.5 m. Eight different plating arrangements of cotton and mungbean were compared with paired row and single row sole cotton and sole mungbean. Cotton population was 100% of sole cropping in all arrangements but mungbean population was 28, 44, 56, 67, 78, 83 and 111% of sole mungbean. Cotton var. CB-10 and mungbean var. BUmung-4 were used for the experiment. All the treatments except sole mungbean was fertilized with 23-34-17.5-18-4.60-2.2-1.90 kg of N P K S Zn B and Mg ha^-1, respectively as urea, triple super phosphate, muriate of potash, gypsum, zinc sulphate, borax and magnesium sulphate. Additional three top dressing of 23 kg N each and 22.5-30-17.5 kg K were applied at 20, 40 and 60 days after sowing (Anon., 2009). Sole mungbean was fertilized at the rate of 23-17-18 kg of N P K ha^-1, respectively. Liming was done 25 days before sowing by using dolochun CaMg (CO₃)2 at the rate of 2 tons ha^-1 while 5 tons of cowdung ha^-1 was incorporated with the soil at the time of final land preparation. Both cotton and mungbean were sown on 21 July 2009. Cotton and mungbean seeds were soaked into water for 3 hours just before sowing. The mungbean seeds were treated with Vitavex-200 at the rate of 3g kg^-1 and cotton seed with gaucho at the rate of 5g kg^-1. Three seeds of cotton and 3-4 seeds of mungbean per hill were hand planted in dibbling method. Cotton took 5-7 days and mungbean took 3-5 days to emergence. Immediately after sowing light irrigation was given to ensure uniform crop emergence. Subsequent irrigation was also provided to avoid any moisture stress. Two times weeding, eight times insecticide spraying, two times hand picking of bollworm larvae were performed to keep the field free from pest. Mature mungbean pods were harvested at 55 and 65 DAS and mature seed cotton in three installments at 150, 165 and 180 DAS. Data on agronomic traits of cotton and qualitative characters of cotton including fibre length, fibre strength, micronaire and ginning out turn was also recorded. Lint and seed yield was recorded after separation of seed and lint from seed cotton by using ‘Lummus 20- saw’ ginning machine. Fibre length, fibre strength and micronaire were measured by using Fibrograph instrument, Pressly meter and micronaire testing instruments, respectively. Data on yield and yield components of mungbean was measured at harvest from randomly selected plants. The productivity of cotton + mungbean intercropping system was assessed by land equivalent ratio (LER), monetary advantage index (MAI) and equivalent yield of cotton and mungbean by using the standard formula as well as cost and benefit analysis was also calculated. The data were analyzed statistically and means were separated by Least Significance Difference (LSD) test at 5% level of significance (Gomez and Gamez, 1984).

Source of Information: Bangladesh Agron. J. 2014, 17(1): 11-22

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Based on the results of the present experiment it was concluded that paired row cotton + 4-row mungbean was the best combination in relation to LER, equivalent yield, monetary advantage index, economic returns and benefit cost ratio.

Knowledge Management: Journal