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Intercropping of Onion and Garlic with Chilli

Dr. Mohammed Amin
Senior Scientific Officer
OFRD, Noakhali

Abstract/ Executive Summary:

The experiments were conducted at farmer’s field of FSRD site, Hazirhat, Noakhali and MLT site of Laxmipur during 2005-07 to verify the performance of onion and garlic as intercropped with chilli. Two rows of onion intercropped withchilli produced the highest gross return of TK.132360 with LER of 1.19 at farmer’s field of FSRD site, Hazirhat, Noakhali. Two rows of garlic intercropped with chilli produced the highest return of TK.116450 with the land equivalent ratio (LER) of 1.20. All the intercropped systems provide highest return and LER than sole crop (chilli).

Keywords: Intercropping, onion, garlic, chilli

Location: FSRD site, Hazirhat, Noakhali and MLT site, Laxmipur

Start Date: 21-12-2005

End Date: 07-04-2007

Program Area: Farming System

Commodity: Chilli, Garlic, Onion

Objectives:

To know the land equivalent ratio and economic return of onion and garlic intercropped with chilli.

Methodology:

The experiments were conducted at farmer’s field of FSRD site, Hazirhat, Noakhali and MLT site of Laxmipur in the growing season of 2005-07. The soil of the experimental area belongs to Young Meghna Estuarine Floodplain (AEZ 18f) and Meghna Estuarine Floodplain (AEZ 18). The soils of the experimental plot were sandy loam in texture. The experiments were set in randomized complete block design with three replications. The experiment consisted of 7 treatments are as follows: T₁ = Sole garlic, T₂ = Sole onion, T₃ = Sole chilli, T₄ = 1 row onion with 100% chilli, T₅ = 1 row garlic with 100% chilli, T₆ = 2 row onion with 100% chilli and T₇ = 2 row garlic with 100% chilli. The seeds were sown on the third week of December 2005. The unit plot size was 3 m x 2 m. Spacing of chilli was maintained at 40 x 20 cm. The land was fertilized with 100- 60-30 kg/ha (N-P-K). The whole amount of P, K and 1/3 of N were applied at the time of final land preparation and remaining N was applied in two installments at 25 and 50 DAT. Data on yield and yield contributing characters were recorded and analyzed statistically. During the experiment period the salinity range was 4.33 to 9.31 ds/m.

Source of Information: Annual Research Report, 2005-06 and 2006-07 published by OFRD, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Hazirhat: Treatment T₃ gave the higher number of fruit/plant (22.50) and the lowest from T₅ (21.37). The highest weight of fruit /plant was obtained from treatment T₃. Yield was statistically identical to all the treatments except T₆, which showed lower yield. Onion & garlic was grown as intercropped in between chilli rows. There was significant reduction in onion yield in both intercrop situation but two rows of onion gave more yield than one row. Similar trend was observed in garlic. Higher chilli equivalent yield (2.65 t/ha) was found in T₆ followed by T₇ whereas T₅showed the lowest groundnut equivalent yield (2.15 t/ha).All the intercropping treatments showed higher gross return than sole situation of chili, onion & garlic. Laxmipur: Treatment T₃ gave the highest number of fruit/plant (41.75) and the lowest was found from T₅ (36.00). But higher weight of fruit /plant was obtained from treatment T₃ (29.82 g) which was statistically identical with T₅ (27.61 g). The highest yield (1.25 t/ha) was obtained from the treatment T₃ due to highest fruit/plant, length of fruit & weight of fruit. Similar trend was followed in case of onion & garlic yield as in Hazirhat.Higher chilli equivalent yield (2.33 t/ha) was found in T₇ and T₅ showed the lowest groundnut equivalent yield (1.91 t/ha).The treatment T₇ where two rows garlic inter cropped with chilli showed higher gross return, which was closely followed by treatment T₆. All the intercropping treatments showed higher gross return than sole situation of chili, onion & garlic. Similar trend was followed in case of gross margin though higher cost was involved in both the treatment. Land equivalent ratio also higher in treatment T6. Though two rows of onion and two rows of garlic in between 100% chilli intercropping system is the most beneficial but higher cost was involved

Knowledge Management: Report/Proceedings