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Inter Mixed Cropping of Garden Pea with Onion

A H M M Rahman Talukder
RARS, Jamalpur

Jubaidur Rahman
RARS, Jamalpur

S S Nasrin
RARS, Jamalpur

Abstract/ Executive Summary:

An experiment was conducted at the Regional Agricultural Research Station, Jamalpur during the period rabi 2013-2014 to find out the optimum population of garden pea as with inter mixed cropped with onion and maximize the land utilization and economic return. The result revealed that Cultivation of Garden pea with onion was found more profitable than sole cropping of onion. The pod yield varied among the different combination due to the different ratio of garden pea. Among the intercropping system the bulb yield of onion was gradually increased with the decreasing of garden pea ratio.The farmers could obtain maximum gross margin from the combination of Sole onion (100% broadcast) + 80 % garden pea (line sowing) followed by the Sole onion (100% broadcast) + 60 % garden pea. For further confirmation of the result and to draw a better conclusion the experiment may be conducted in the next year including the same treatment.

Keywords: Inter Mixed Cropping, Garden Pea, Onion, Optimum

Location: Regional Agricultural Research Station, Jamalpur

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Farming System

Commodity: Gardenpea, Onion

Objectives:

To find out the optimum population of garden pea as with inter mixed cropped with onion and maximize the land utilization and economic return.

Methodology:

The experiment was conducted at the Regional Agricultural Research Station, Jamalpur during rabi 2013-2014 to find out the optimum population of garden pea as with inter mixed cropped with onion and maximize the land utilization and economic return. Design of the experiment was RCB with 03 (three) replications having the unit of plot 5m × 3m. BARI Motorshuti 3 along with BARI peaj 1 was used as a variety at different planting combinations. Onion seeds were sown on broadcast system @ 7 kg seed ha-1 while the BARI Motorshuti 3 variety was sown on in a line system. Treatments included in the experiment were: T₁= Sole Onion (Broadcast), T₂=Sole Garden Pea (30cm × 5cm) (Line Sowing), T₃= 100% Onion (Broadcast) + 80 % Garden pea (37.5 cm × 5cm) (Line Sowing), T₄=100% Onion (Broadcast) + 60 % Garden pea (50cm × 5cm) (Line Sowing) and T₅=100% Onion (Broadcast) + 40% Garden pea (75cm × 5cm) (Line Sowing), T₆=100% Onion (Broadcast) + 50% Garden pea (75cm × 5cm) (Broadcast). Fertilizers were applied for sole onion and intercrop at the rate of 60-30-80-20-2.00.7 kg ha-1 N-P-K-S-Zn-B. For sole onion and intercropping systems half of nitrogen and all other fertilizer should be applied during the final land preparation and half nitrogen will be top dressed at 25 and 50 DAS. For sole Motorshuti: 30-14-20-6-0.7 kg ha-1N-P-K-S-Zn respectively. For motorshuti all fertilizer was applied during the final land preparation. For motorshuti and onion irrigation was applied at fifteen days after emergence. Onion was sown on 19 November, 2013 while on the same day’s different ratio of Motorshuti was sown in a line according to the treatment. Intercultural operations like watering, weeding and spraying insecticides were followed as and when necessary. Bulb yield for onion was calculated in t ha-1 considering the whole plot harvest area. Motoshuti was harvested by hand picking on the basis of maturity were harvested two times at 25 and 35 days after sowing in line and yield was calculated in fresh weight t ha-1. For yield and yield contributing characters of onion ten bulb of onion was selected randomly to collect the length and breath of bulb. Collected data were analyzed statistically with the help of MSTAT-C programme and mean separation was done as per LSD test at 5% level of significance. Economic analysis was performed considering the price of sweet gourd and leafy vegetables prevailed at the harvesting period in the local market. Onion equivalent yield was also calculated considering the local market price at the harvesting time following the formula as stated by Aujeneyulu et al. (1982). Intercropping Efficiency the land equivalent ratio (LER) was calculated according to mead and willey (1980) using the formula: LER = Ya/Sa + Yb/Sb; where, Ya and Yb = individual crop yields in intercropping and Sa and Sb= the crop yield as sole crop.

Source of Information: ANNUAL RESEARCH REPORT 2013-2014 HRC, RARS, BARI, Jamalpur

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Cultivation of Garden pea with onion was found more profitable than sole cropping of onion. The farmers could obtain maximum gross margin from the combination of Sole onion (100% broadcast) + 80 % garden pea (line sowing) followed by the Sole onion (100% broadcast) + 60 % garden pea (line sowing). For further confirmation of the result and to draw a better conclusion the experiment may be conducted in the next year including the same treatment.

Knowledge Management: Report/Proceedings