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Intercropping of Maize with Cowpea, Khesari, Mungbean and Groundnut

B. L. Nag
Regional Agricultural Research Station, Rahmatpur, Barisal and Bangladesh Agricultural Research Institute, Joydebpur, Gazipur.

A. K. Kundhu
Regional Agricultural Research Station, Rahmatpur, Barisal and Bangladesh Agricultural Research Institute, Joydebpur, Gazipur.

M. A. Quayyum
Regional Agricultural Research Station, Rahmatpur, Barisal and Bangladesh Agricultural Research Institute, Joydebpur, Gazipur.

A. B. M. Salah uddin
Regional Agricultural Research Station, Rahmatpur, Barisal and Bangladesh Agricultural Research Institute, Joydebpur, Gazipur.

Abstract/ Executive Summary:

Monoculture of maize, cowpea, khesari, mungbean, groundnut and maize intcrcropped with legumes (cowpea, khesari, mungbean and groundnut) in paired rows were compared in an experiment conducted at the Regional Agricultural Research Station, Rahmatpur, Barisal during rabi 1993-94 and '94-95. During 1993-94, highest maize equivalent yield (6,973 kg/ha) was obtained from maize + groundnut intercropping, but maize + khesari combination gave the highest maize equivalent yield (5,6'l5 kg/ha) in 1994-95. Maize + groundnut and maize + Khesari combination also gave the highest net return (Tk. 50,952/ha. and Tk. 40,245/ha.) during 1993-94 and 94-95, respectively. But on an average maize + cowpea and maize + khesari combination gave the highest benefit cost ratio (5.34 and 5.32) and land equivalent ratio (1.35).

Keywords: Intercropping, Cowpea, Khesari, Mungbean , Groundnut, Crop combination

Location: Regional Agricultural Research Station, Rahmatpur, Barisal

Start Date: 00-00-1993

End Date: 00-00-1995

Program Area: Farming System

Commodity: Maize, Cowpea, Grasspea, Mungbean, Ground nut

Objectives:

To find out suitable crop combination of maize intercropped with mungbean, cowpea, khesari and groundnut.

Methodology:

The experiment was conducted at the Regional Agricultural Research Station, Rahmatpur, Barisal during rabi, 1993-94 and 1994-95. The experiment was laid out in randomized Complete Block Design with four replications. The treatments were: Maize sole (75 cm x 25 cm), Cowpea sole (30 cm x 10 cm), Khesari sole (30 cm x 5 cm), Groundnut sole (30 cm x 15 cm), Mungbean sole (30 cm x 5 cm), Maize paired rows (MPR) + 4 rows of cowpea with 30 cm x 10 cm apart, MPR + 4 rows khesari with 30 cm x 5 cm apart, MPR + 4 rows of groundnut with 30 cm x 5 cm apart and MPR + 4 rows of mungbean with 30 cm x 5 cm apart. The unit plot size. was 4.5m x 5 m. The maize plots (both sole and intererop) were fertilized with 120-60-40 N, P₂0₅ and K₂0 kg/ha in the from of urea, triple superphosphate (TSP) and muriate of potash (MP). Full dose of triple super phosphate and muriate of potash and one-third of urea were applied as basal. Remaining urea were side dressed in maize rows in two equal splits at 25 and 60 days after emergence. The crop (Maize sole and intercropped maize) was irrigated at 25 and 60 days after emergence (DAE). Cowpea, khesari, groundnut and mungbean sole plots were fertilized with 20-40-20 N P₂0₅ and K₂0 kg/ha in the form of urea, TSP and MP. All the fertilizers were incorporated into soil before seeding. Crop seeds were sown at the third week of December. Cowpea was harvested at 106, 116 and 130 (three pickings), khesari at 130, mungbean at 70, groundnut at 160 and maize at 145 days after sowing (DAS), respectively. Grain yield and yield component data were collected and analyzed statistically. Total man hours required for different operations were recorded along with cost of different treatments. Cost and benefit analysis was done for each treatment on a hectare basis taking into account of market values of maize, cowpea, khesari, groundnut and mungbean. Total yield (maize equivalent) of maize-legume inter cropping was worked out by countering the legume crops into yield of maize on the basis of their local market price.

Source of Information: Bangladesh Agron. J. 1996, 6(1 & 2): 29-34

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

During 1993-94, highest maize equivalent yield (6,973 kg/ha) was obtained from maize + groundnut intercropping, but maize + khesari combination gave the highest maize equivalent yield (5,6l5 kg/ha) in 1994-95. Maize + groundnut and maize + Khesari combination also gave the highest net return (Tk. 50,952/ha and Tk. 40,245/ha.) during 1993-94 and 94-95, respectively. But on an average maize + cowpea and maize + khesari combination gave the highest benefit cost ratio (5.34 and 5.32) and land equivalent ratio (1.35).

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