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Suitability of Different Winter Vegetables with Sweet Gourd

SS Kakon
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur Gazipur 1701, Bangladesh

JA Chowdhury
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur Gazipur 1701, Bangladesh

MM Bazzaz
Agricultural Research Station, Rajbari, Dinajpur, Bangladesh

MM Alam
Regional Agricultural Research Station, Hathazari, Chittagong, Bangladesh

AA Begum
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur Gazipur 1701, Bangladesh

MA Aziz
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur Gazipur 1701, Bangladesh

Abstract/ Executive Summary:

The experiment was conducted at Joydebpur and Rajbari Farm of Bangladesh Agricultural Research Institute during two successive rabi seasons (2014-16) to find out the suitable vegetable for intercropping with sweet gourd for higher productivity and economic return. Six intercrop combinations of sweet gourd and vegetables viz., T₁= Sole sweet gourd, T₂= Sweet gourd (2 m x 2 m) + cabbage (50 cm x 50 cm), T₃= Sweet gourd (2m x 2m) + cauliflower (50 cm x 50 cm), T₄= Sweet gourd (2 m x 2 m) + radish (20 cm x 25 cm), T₅= Sweet gourd (2 m x 2 m) + lettuce (50 cm x 50 cm), T₆= Sweet gourd (2 m x 2 m) + tomato (50 cm x 50 cm) were tested at Joydebpur and Rajbari. The highest mean sweet gourd yield (31.37 t ha^-1 at Joydebpur and 34.54 t ha^-1 at Rajbari) was recorded in sole sweet gourd over the years. The highest mean vegetable yield (42.87 t ha^-1 at Joydebpur and 61.40 t ha^-1 at Rajbari) was recorded in sweet gourd + cabbage combination. Maximum mean sweet gourd equivalent (SEY) yield (72.55 t ha^-1), highest gross return (Tk. 362775 ha^-1 and BCR (2.98) were recorded in sweet gourd + cabbage combination over the years at Joydebpur. The maximum mean SEY (79.38 t ha^-1), highest gross return (Tk. 396905 ha^-1) and BCR (3.25) were recorded in sweet gourd + cauliflower combination at Rajbari. Two year results revealed that sweet gourd + cabbage and cauliflower might be suitable intercrop combination for getting maximum yield and economic return

Keywords: Vegetables, Sweet Gourd, Cabbage, Cauliflower, Tomato, Lettuce

Location: Agronomy Division, BARI, Joydebpur, Gazipur and ARS, Rajbari

Start Date: 00-00-2014

End Date: 00-00-2016

Program Area: Farming System

Commodity: Sweet gourd, Cabbage, Cauliflower, Radish

Objectives:

This experiment was conducted to select suitable vegetables for intercropping with sweet gourd.

Methodology:

The experiment was conducted at the research field of Agronomy Division, BARI, Joydebpur, Gazipur and ARS, Rajbari during rabi seasons of 2014-15 and 2015- 16. Six intercrop combinations of sweet gourd and winter vegetables viz., T₁= Sole sweet gourd, T₂= Sweet gourd (2m x 2m) + cabbage (50 cm x 50 cm), T₃ = Sweet gourd (2m x 2m) + cauliflower (50 cm x 50 cm), T₄ = Sweet gourd (2m x 2m) + radish (20 cm x 25 cm), T₅ = Sweet gourd (2m x 2m) + lettuce (50 cm x 50 cm), T₆ = Sweet gourd (2m x 2m) + tomato (50 cm x 50 cm) were tested The experiment was laid out in a RCB design with 3 replications. The unit plot size was 4 m x 4 m. Sweet gourd var. BARI Misti kumra-2, Cabbage var. BARI Badhacopy-1, Cauliflower var. BARI Fulcopy-1, Tomato var. BARI Tomato-2, Lettuce var. BARI lettuce-1 and radish var. BARI Mula-1 were used. Seeds of radish were sown on 25 November at Joydebpur and twenty five days old seedlings of cabbage, cauliflower, lettuce and tomato were transplanted on the same day in both the years. On the other hand, at Rajbari, seeds of radish were sown on 25 November 2014 and 09 November 2015 and twenty five days old seedlings of cabbage, cauliflower, lettuce and tomato were transplanted on the same day in both the years. Thirty days old seedlings of sweet gourd were transplanted on 12 December 2014 and 19 November 2015. Thirty days old seedlings of sweet gourd were transplanted on 10 December in both the years at Joydebpur and different winter vegetables were planted in line according to the treatments at 15 days before transplanting of sweet gourd seedlings. Fertilizers @ 80-36-100-24-2-2 kg ha^-1 NPKSZnB + CD: 10 tha^-1 were applied in sole sweet gourd Chemical fertilizers were used in the form of urea, triple super phosphate, muriate of potash, gypsum, zinc sulphate and boric acid. Fertilizers @ 100-50.5-90.5-18-2.3 kg ha^-1 NPKSZnB + CD: 10 tha^-1 were applied in vegetables. Organic manure and chemical fertilizers were applied at the final land preparation, while urea and MoP were top dressed in two equal splits at 15 and 35 DAT of winter vegetables. All chemical fertilizer along with organic manure was applied in pit 7 days before transplanting of winter vegetables and sweet gourd seedlings. At Joydebpur sweet gourd harvesting was started from 93 DAT and four harvesting was done up to 1 - 5 April 2015 and 2016. Cabbage and Cauliflower was harvested two times (55 and 70 DAT). Lettuce was harvested at 35 DAT and tomato was harvested four times at 85, 90, 93 and 100 DAT in both the years. On the other hand, at Rajbari, sweet gourd harvesting was started from 105 DAT and harvesting was done four times. Cauliflower was harvested three times (59, 68 and 74 DAT). Lettuce was harvested at 45 and 55 DAT and tomato was harvested five times at 91, 98, 105, 112, 119, and 126 DAT in both the years. Intercultural operations like watering, weeding and pest control were done as and when required. Yields of both the crops were taken from whole plot. Collected data of all crops were analyzed statistically and the means were adjudged using LSD test at 5% level. Benefit- cost analysis was also done. Sweet gourd equivalent yield was computed using the formula of Bandyopadhaya (1984). Sweet gourd equivalent yield (SEY) (kg ha^-1) = Yisg + Yiveg.Pveg./ P sg; Where, Yi sg= Sweet gourd yield (kg ha^-1) in intercropping. Yiv eg. Veg. yield (kg ha^-1) in intercropping; Psg = Price of sweet gourd (kg ha^-1) Pveg. = Price of vegetable (kg ha^-1)

Source of Information: Bangladesh Agron. J. 2018, 21(2): 7-11

Article Link (Online Journal): DOI: https://doi.org/10.3329/baj.v21i2.44486

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The overall results indicated that among the intercrop combinations sweet gourd (2 m x 2 m) + cabbage / cauliflower (50 cm x 50 cm) combination was found suitable for total productivity and economic return at Rajbari but at Joydebpur sweet gourd (2 m x 2 m) + cabbage / raddish was found viable..

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