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Achmad Yozar Perkasa, Achmad Yozar

Staf Pengajar Agroteknologi, Universitas Gunadarma

Author-ID : 3613519

Agriculture, Biological Sciences & Forestry Environmental Science Materials Science & Nanotechnology

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Comparison of Rooftop Garden Elements in Japan and Indonesia. Study case of Ginza Six Garden, Japan, and PIM 3 Garden, Indonesia Dibyanti Danniswari; Achmad Yozar Perkasa
Journal of Synergy Landscape Vol. 1 No. 1 (2023): Vol. 1 No. 1 August 2023
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/tjsl.v1i1.17604

A rooftop garden is located on the topmost level of a building and provides similar benefits as traditional urban green space while accommodating the limited land issue in cities. The practice of rooftop gardens keeps increasing in urban areas worldwide. There may be differences between rooftop gardens in different countries, be it in the design, the elements, or the activities. This study explores the difference between rooftop gardens in Indonesia and Japan, particularly Jakarta and Tokyo. This study aims to compare the characteristics of rooftop gardens in Jakarta and Tokyo. This study follows a descriptivequalitative approach. The data used in this study is based on visitors’ photos and reviews uploaded to the internet and supported by field observation. PIM 3 Garden’s design concept is based on the trend of citizen culture, which likes to update their activities on social media. In contrast, Ginza Six Garden’s design is based on the Ginza area's history, which combines traditional and modern culture. Since the design concepts are different, the garden elements and the user activities are also different. The main reason for these differences is most likely due to cultural differences. Indonesian people like sharing their activities on social media more than Japanese people. Although the gardens exhibit contrasting designs, elements, and user activities, both seem to accommodate their respective users’ needs and behaviors effectively.

Comparison of Rooftop Garden Elements in Japan and Indonesia. Study case of Ginza Six Garden, Japan, and PIM 3 Garden, Indonesia Dibyanti Danniswari; Achmad Yozar Perkasa
Journal of Synergy Landscape Vol. 3 No. 1 (2023): Vol. 3 No. 1 August 2023
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/tjsl.v1i1.17604

A rooftop garden is located on the topmost level of a building and provides similar benefits as traditional urban green space while accommodating the limited land issue in cities. The practice of rooftop gardens keeps increasing in urban areas worldwide. There may be differences between rooftop gardens in different countries, be it in the design, the elements, or the activities. This study explores the difference between rooftop gardens in Indonesia and Japan, particularly Jakarta and Tokyo. This study aims to compare the characteristics of rooftop gardens in Jakarta and Tokyo. This study follows a descriptivequalitative approach. The data used in this study is based on visitors’ photos and reviews uploaded to the internet and supported by field observation. PIM 3 Garden’s design concept is based on the trend of citizen culture, which likes to update their activities on social media. In contrast, Ginza Six Garden’s design is based on the Ginza area's history, which combines traditional and modern culture. Since the design concepts are different, the garden elements and the user activities are also different. The main reason for these differences is most likely due to cultural differences. Indonesian people like sharing their activities on social media more than Japanese people. Although the gardens exhibit contrasting designs, elements, and user activities, both seem to accommodate their respective users’ needs and behaviors effectively.

EFFECT OF DIFFERENT AB MIX CONCENTRATIONS ON THE GROWTH AND YIELD OF SEVERAL MUSTARD VARIETIES IN AN AEROPONIC SYSTEM Arif Aula Rizki; Budiman; Perkasa, Achmad Yozar; Zatanna Balqis
Journal of Synergy Landscape Vol. 4 No. 2 (2025): Vol. 4 No. 2 Februari 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/tjsl.v4i2.22125

The mustard plant is a vegetable that Indonesian people widely consume. This research analyzes differences in AB mix nutrient concentrations on the growth and yield of several mustard varieties in an aeroponic system. The research was conducted in the Greenhouse Smart Farming Gunadarma University Technopark (UG-TechnoPark) from March to June 2024. This research used the Nested Pattern Randomized Complete Group Design method (Nested Design), which consists of 2 factors. Factor I is the concentration of AB mix nutrients (K) consisting of 2 levels, which are 1200 ppm (K1) and 1800 ppm (K2). Factor II is the type of mustard variety (V) consisting of 4 levels, namely Kumala (V1), Shinta F1 (V2), Kometa (V3), and Tosakan (V4). The results showed that differences in AB mix nutrient concentrations have significantly affected the growth and yield of the mustard plant on some parameter, which is plant height, number of leaves, root length, and dry weight of plant canopy with the highest average values, respectively, which is 35.76 cm, 10.81 leaves, 19.84 cm, and 4.18 grams. The differences in varieties have a significant effect on the growth and yield of mustard plants on the parameters of plant height, number of leaves, leaf length, leaf width, shoot wet weight, shoot dry weight, and root dry weight with the highest average value respectively, which is 39.54 cm, 11.87 leaves, 17.39 cm, 10.85 cm, 69.13 grams, 4.98 grams, and 2.06 grams.

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