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Effect of Different Rooftop Garden Models for Vegetables Production

AKM Quamruzzaman
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

H.E.M. Khairul Mazed
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

F. Islam
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

GMA Halim
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

Abstract/ Executive Summary:

The study was conducted at the rooftop of the Mushroom laboratory, Horticulture Research Centre (HRC), Bangladesh Agricultural Research Institute (BARI), Gazipur during 2016-17 and 2017-18. Nine Treatments viz., T₁= Plastic box 1, T₂= Plastic box 2, T₃= Plastic box 3, T₄= Plastic box 4, T₅= Plastic box 5, T₆= Plastic box 6, T₇= Plastic box 7, T₈= Half drum, T₉= Sac/ Multilayer box and three rooftop garden models viz., Model 1, Model 2, Model 3were included in the study. Each model consists of 22 types of vegetables. Considering the 3 models, there was a narrow difference in term of vegetable yield and prices. The main cause behind it was the number of vegetables was the same (22) in all models. Just rearrange the vegetables within the treatments and type of production system viz., single cropping, intercropping and relay cropping. In both the year 2016-17 and 2017-18, a higher yield was obtained from Model 2 i.e. 76.0 kg and 70.8 kg, respectively and the price was also higher (2306 tk and 2115 tk, respectively). This study was just a 1-year result, so after another year's trial, it may be concluded which model is best in terms of yield and price.

Keywords: Vegetables, Cowdung, Cocodust, Vermicompost, Soil, Fertilizer, Mushroom

Location: Mushroom laboratory, Horticulture Research Centre (HRC), Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh

Start Date: 00-07-2016

End Date: 00-06-2017

Program Area: Variety and Species

Commodity: Vegetables

Objectives:

Development of suitable model on roof top for vegetable production
To accommodate maximum vegetable in a small unit area (10 m² / 100 ft²); and
To get year round nutrition supply

Methodology:

The experiment was conducted at rooftop of Mushroom laboratory, Horticulture Research Centre (HRC), Bangladesh Agricultural Research Institute (BARI), Gazipur during July 2016 to June 2017. Three rooftop garden models were included in the study. Nine Treatments viz., T₁= Plastic box 1, T₂= Plastic box 2, T₃= Plastic box 3, T₄= Plastic box 4, T₅= Plastic box 5, T₆= Plastic box 6, T₇= Plastic box 7, T₈= Half drum, T₉= Sac/ Multilayer box and three model viz., Model 1, Model 2, Model 3were included in the study. Each model consists of 22 type of vegetables. The seeds were sown or seedlings were transplanted on the plastic box, half drum, sac, multilayer box according to season of concern vegetables. The planting methods were single cropping, intercropping or relay cropping to accommodate maximum vegetables within a year. The unit plot size 10 m² / 100 ft²and 9 treatments were accommodated in a model. The soil was fertilized with cowdung, coco dust and vermicompost @ 60:50:5:2 in a weight basis, respectively. The intercultural operations (weeding, irrigation etc.) were done as and when necessary. Data on yield (kg/treatment)was recorded from each model and calculated product value with the local retail price (Tk). The information on different quantitative characters was statistically analyzed.

Source of Information: Annual Research Report-2017-2017, Olericulture Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the 3 models, there was a narrow difference in terms of vegetable yield and prices. The main cause behind it was the number of vegetables was the same (22) in all models. Just rearrange the vegetables within the treatments and type of production system viz., single cropping, intercropping and relay cropping. All the treatments produced less yield during 2017-18 compared to 2016-17. This is might be fewer plant nutrient was contained in the plastic boxes in 2^nd year (2017-18). The soil media of plastic boxes were incorporated with sufficient organic manures in the second year, but the yield was less. In both the years 2016-17 and 2017-18, a higher yield was obtained from Model 2 i.e. 76.0 kg and 70.8 kg, respectively and the price was also higher (2306 tk. and 2115 tk, respectively). This study was just 1-year result, so after another year's trial, it may be concluded which model is best in terms of yield and price.

Knowledge Management: Report/Proceedings