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Intercropping of Cabbage with Maize

M.M. Khanum
Scientific Officer, Agricultural Research Station, BARI, Rajbari, Dinajpur-5200

M.M. Bazzaz
Senior Scientific Officer, Bangladesh Wheat and Maize Research Institute, Nasipur, Dinajpur-5200

B. Ahmed
Scientific Officer, Plant Physiology Division, Station, BARI, Gazipur-1701

M.S. Huda
Senior Scientific Officer, Agricultural Research Station, BARI, Rajbari, Dinajpur-5200

M.A. Hossain
Senior Scientific Officer, Agricultural Research Station, BARI, Rajbari, Dinajpur-5200

Abstract/ Executive Summary:

The experiment was carried out at the research field of Agricultural Research Station, Rajbari, Dinajpur (Latitude: 25.63544, Longitude: 88.65144) during rabi season of 2016-2017 and 2017-18 under AEZ-1 to find out the suitable crop combination for higher productivity and economic return. Five different treatments were employed in the study viz. T₁= Sole maize (60 cm x×20 cm), T₂= Maize planting (75 cm×x 25 cm) + 1 row cabbage (50 cm×50 cm) T₃= Maize paired row (150 cm/37.5cm x 25 cm) + 2 rows cabbage (50 cm x×50 cm) T₄=Maize planting (60 cm x×20 cm )+1 row cabbage (60 cm x×50 cm), T₅= Maize paired row (120 cm/30 cm× x 20 cm) + 2 rows cabbage (60 cm x 50 cm) were evaluated. Maize grain yield in intercropped combination varied from 6.60-9.23 t ha^-1. But the highest maize yield was recorded in Maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) followed by that in maize paired row (150/37.5cm × 25 cm) +2 rows cabbage (50 cm x×50 cm), while the highest cabbage yield was recorded in maize planting (60 cm x 20 cm) + 1 row cabbage(60 cm x 50 cm) between maize. The highest maize equivalent yield was also obtained in maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) followed by that in maize paired row (150/37.5cm x 25 cm) + 2 rows cabbage (50 cm x 50 cm). The highest gross return, gross margin and BCR were obtained in maize planting (60 cm × 20 cm) + 1 row cabbage (60 cm x 50 cm) followed by that in maize paired row (150/37.5cm x 25 cm) +2 rows cabbage(50 cm x 50 cm) and the lowest in sole sowing of maize. The overall results indicated that among the intercrop combinations maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) and maize paired row (150/37.5cm x 25 cm) +2 rows cabbage (50 cm x 50 cm) were found suitable for total productivity and economic return of the system.

Keywords: Intercropping, Maize, Cabbage, Cost-benefit ratio

Location: Agricultural Research Station, Rajbari, Dinajpur

Start Date: 00-00-2016

End Date: 00-00-2018

Program Area: Farming System

Commodity: Cabbage, Maize

Objectives:

To get maximum benefit from intercropping by optimizing plant population of maize and cabbage.

Methodology:

The experiment was conducted in the research field of Agricultural Research Station, Rajbari, Dinajpur (Latitude: 25.63544, Longitude: 88.65144) during rabi season of 2016-2017 and 2017-18. The experiment was laid out in randomized complete block (RCB) design with three replications. The unit plot size was 6m x 4m. Five different treatments were employed in the study viz. T₁= Sole maize (60 cm x×20 cm), T₂= Maize planting (7 5cm x 25 cm) + 1 row cabbage (50 cm x 50 cm), T₃= Maize paired row (150 cm/37.5 cm x 25 cm) +2 rows cabbage (50 cm x 50 cm), T₄=Maize planting (60 cm×20 cm) +1 row cabbage (60 cm x 50 cm), T₅=Maize paired row (120 cm/30 cm x 20 cm) +2 rows cabbage (60 cm x 50 cm). The land of the experimental plot was prepared with a power tiller by ploughing and cross ploughing followed by laddering and the soil was brought into good tilth. Fertilizers were applied @ 260-72-148-48-4-2 kg ha^-1N-P-K-S-Zn-B in the form of Urea-TSP-MOP-Gypsum-ZnSo₄-Boric acid for both the sole maize and intercrop combinations. One third of urea and full amount of other fertilizers were applied at final land preparation. Remaining urea was applied at 30 and 60 DAS in two equal splits. Maize (BARI hybrid bhutta-9) was sown on November 02-04 during the conducting years and cabbage (BARI Badhacopy-1) was sown on November 12-14 during the consecutive years. Two irrigation were provided after top dressing of urea. Earthing up and other intercultural operations were done when required. Other plant protection measures were taken when required. Cabbage was harvested on January 10-12 and the maize on April 10-13 respectively during the consecutive years. Yield contributing characters of cabbage and maize were measured from ten randomly selected plants of the sampling area of each treatment avoiding border plants. Maize grain yield and cabbage yield were measured from the whole plot and then calculated per hectare basis maintaining standard moisture content. The relative yield was obtained by dividing the intercrop yield of a crop with the respective sole crop yield of that crop using the formula (Dewit and Vander Bergh, 1965). The relative yield of a crop = Yield of component crops / Yield of sole crop Maize equivalent yield was computed by converting yield of intercrop on the basis of prevailing market price of individual crop following the formula of Bandyopadhyay (1984) as given below: Maize equivalent yield = Yim + (Yic x Pc)/ Pm; Where, Yim = Yield of intercrop maize, Yic = Yield of intercrop cabbage, Pm = Market price of maize and Pc = Market price of cabbage. Collected data were statistically analyzed by using MSTAT software packages and mean differences for each character were compared by Least Significant Difference (LSD) test (Gomez and Gomez, 1984).

Source of Information: Bangladesh Agron. J. 2019, 22(1): 115-120

Article Link (Online Journal): DOI: https://doi.org/10.3329/baj.v22i1.44943

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that the highest yield of maize was obtained in sole cropping of component crops. Under intercropping, the highest maize yield was recorded in Maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) followed by that of maize paired row (150/37.5cm x 25 cm) +2 rows cabbage (50 cm x 50 cm), while the highest cabbage yield was recorded in maize planting (60 cm × 20 cm) + 1 row cabbage (60 cm x 50 cm) between maize. The highest maize equivalent yield was also obtained in maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) followed by that of maize paired row (150/37.5cm x 25 cm) +2 rows cabbage (50 cm x 50 cm). The highest gross return, gross margin and BCR were obtained in maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) followed by that of maize paired row (150/37.5cm x 25 cm) +2 rows cabbage (50 cm x 50 cm) and the lowest in sole sowing of maize. The overall results indicated that among the intercrop combinations maize planting (60 cm x 20 cm) + 1 row cabbage (60 cm x 50 cm) and maize paired row (150/37.5cm x 25 cm) +2 rows cabbage (50 cm x 50 cm) were found suitable for total productivity and economic return of the system.

Knowledge Management: Journal