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Effect of Planting Configurations on Yield and Yield Components in Maize + Soybean and Maize + Bushbean Intercropping System

A. K. Das
Project Director
ICTDP, Department of Agricultural Extension, Khamarbari, Farmgate, Dhaka-1215

Q. A. Khaliq
Professor
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna. Gazipur-1706

M. L. Haider
National Consultant (Crop)
Disaster and Climate Risk Management in Agriculture Project, DAE, Khamarbari, Farmgate, Dhaka-1215

Abstract/ Executive Summary:

The experiment was conducted in the experimental field of Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur, Bangladesh. This intercropping experiment was planned under the concept of cereal + legume intercropping system to find out the effect of intercropping on the yields and yield parameters of the component crops under maize + soybean and maize + bushbean intercropping system at different planting configurations. During the experiment the data on yield parameters of the component crops were recorded under sole cropping and intercropped conditions. Yield and yield components were significantly influenced by the crop combination and planting configurations. Intercropping reduced the yield in component crops. The highest yields were obtained in sole crops compared to those in intercrops. In maize the highest plant height (210.66cm), longest cob (21.15 cm) and highest grain yield (7.03 t ha^-1) was recorded in sole cropping maize. Variation in grains cob^-1 and 1000- seed was found insignificant. Maize equivalent yield was the highest (8.26 t ha^-1) in maize-bushbean intercropping at single row arrangement of maize. Plant height in soybean and bushbean was increased by intercropping with maize. Pods plant^-1, seeds pod^-1, pod length in soybean and bushbean were significantly reduced under intercropping condition. But intercropping increased the seed size in soybean and bushbean. The 100- seeds weight in soybean was the highest (14.50 g) in maize + soybean intercropping at paired row arrangement of maize. In bushbean it was the highest (19.13 g) in maize + bushbean intercropping at single row arrangement.

Keywords: Intercropping, Sole cropping, Planting configuration, Yield, Equivalent yield

Location: Experimental field of Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur

Start Date:

End Date:

Program Area: Farming System

Commodity: Cropping pattern

Objectives:

To find out the planting configurations effect on the growth and yield of component crops under maize-soybean and maize-bushbean intercropping system.

Methodology:

The experiment was conducted in the experimental field of Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur, Bangladesh. The treatment combinations were T₁ = Sole maize, T₂= Sole soybean, T₃ = Sole bushbean, T₄ = Maize - soybean single row, T₅ = Maize - bushbean single row, T₆ = Maize - soybean paired row, T₇ = Maize - bushbean paired row. In this experiment the maize cv. BARI hybrid maize-5, bushben cv. BARI jharshim-1 and soybean cv. Sohag were used. Plants from 0.5 linear meters in each plot were collected at 15 days interval starting from 10 DAE to 100 DAE for growth analysis. Then the plant materials were oven dried at 70^oC for 72 hours and final dry weights were recorded. Data on other yield parameters were recorded from 10 randomly selected plants from each plot. Yield of crop was calculated from 4m² demarcated areas from the experimental plots. The plot size was 5.0 m x 4.0 m and the experiment was laid out in RCBD with 4 replications.

Source of Information: Int. J. Expt. Agric. 3(1):38-45, (2013)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Intercropping reduced the yield in component crops. The highest yields were obtained in sole crops compared to those in intercropping condition. Maize equivalent yield recorded the highest in maize- bush bean intercropping at single row arrangement of maize. The plant height and seed size increased in the lower story crops bushbean and soybean irrespective of the planting configurations.

Knowledge Management: Journal