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Journal : Journal of Agroscience Indonesia

Utilization of Bacillus subtilis Culture for Fermentation of Arabica Coffee (Coffea arabica) from Toraja Regency Asdar, Asdar; Patang, Patang; Sukainah, Andi
Journal of Agroscience Indonesia Vol 1, No 2 (2023): November
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jai.v1i2.56291

Abstract

The aim of this research was to determine the effect of giving Bacillus subtilis concentrations on caffeine levels and the physicochemistry of Arabica coffee beans. This study used a Complete Randomized Design (RAL) where the concentration of B. subtilis was 0%, 1%, 2%, 3%, 4%, 5%. Variables observed in this study included total plate numbers (ALT), total titrated acid (TAT) and pH, as well as arabica coffee bean tests (water and caffeine content). The results of this study show that B. subtilis affects ALT, TAT, pH, water content and caffeine content of fermented liquid in arabica coffee beans. The lowest caffeine content of arabica coffee beans is made from arabica coffee beans added 5% B. subtilis during fermentation with a caffeine content of 1.34%.
Analysis of Suitability of Water Quality Parameters for Vaname Shrimp (Litopenaeus Vannamei) Cultivation in Barombong Village Ma’sum, Andi Bayani; Jamaluddin, Jamaluddin; Patang, Patang
Journal of Agroscience Indonesia Vol 1, No 2 (2023): November
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jai.v1i2.56051

Abstract

The South Sulawesi region has ideal land resources for aquaculture, such as the coastal area of Barombong village, where land use has not been fully utilized by the local community. Good weather and qualified workers have the potential to develop vaname shrimp aquaculture. Beside as a tourist attaction, the coastal areas can also be utilized for aquaculture. Therefore, the purpose of this study was to analyze the suitability of water quality parameters for vaname shrimp cultivation in Barombong Beach. This study used a quantitative descriptive research with observational methods and water quality measuemeremts covering temperature, brightness, pH, dissolved oxygen, salinity, phosphate, nitrate, ammonia and plankton at three different stations, namely station 1 located near the mouth of the Jeneberang River, station 2 in behind Gor Barombong, and station 3 in the mangrove area. The data analysis technique used is quantitative descriptive analysis and scoring analysis. The results showed that the water quality at Barombong Beach at station 1 with a score of 95.8%, station 2 with a score of 95.8%, and station 3 with a score of 100% is still within the range of water quality standards for the life of white vaname shrimp. and therefore it is suitable for vannamei shrimp (Litopenaeus vannamei) aquaculture.
Cultivation of Tilapia (Oreochromis Niloticus) In Aquaponic System With Different Plants Species Simanullang, Diana Rifka; Patang, Patang; Indrayani, Indrayani
Journal of Agroscience Indonesia Vol 1, No 2 (2023): November
Publisher : Agricultural Technology Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/jai.v1i2.56151

Abstract

This study aims to analyze the effect of using different plant species on the growth and survival of tilapia in the aquaponic system and to identify the most effective plant species in maintaining water quality in tilapia rearing with aquaponic systems. This study is an experimental study with a completely randomized design (CRD) with four treatments (the use of kale, lettuce, pakcoy and control without plants) with three replications. The variables observed were the growth and survival of fish during maintenance. The data collected was then analyzed by the ANOVA test. The results showed that there was no significant effect (p>0.05) between the use of different types of plants on the growth of tilapia but the treatment using water spinach gave the highest weight gain for tilapia reaching 2.21g with an absolute length increase of 1.14 cm, and the specific growth rate reached 7.36% per day. The use of different plant species had no significant effect (p<0.05) on the survival of tilapia in the aquaponics system and kale was the most effective plant species in maintaining the water quality performance of tilapia during maintenance.
Co-Authors A.A. Ketut Agung Cahyawan W Abdullah Abdullah Adil Adil, Adil Alfionita, Andi Nur Afia Alyanti, Alyanti Amirah Mustarin Amirah, Amirah Andi Alamsyah Rivai Andi Sukainah Asdar Asdar Bachri Thalib, Syamsul Bahtiar, Virdhalya Kartika Bando, Nurjannah Christo, Jendri Darmawang, Darmawang Darongke, Fitria Silda Dewi Puspita Sari Entengo, Reflin Ernawati Syahruddin Kaseng Fadilah, Ratnawaty Fahrur, Mat Farah, Rahmawati Fitri Fitri Gani, Hamsu Abdul H, HIJRAH Hasmini, Hasmini Hasriani Hasriani, Hasriani Hidayat Suryanto Suwoyo Hilmaturrifqi, Hilmaturrifqi Idris, Andi Puspa Sari Indah Permata Sari INDRAYANI INDRAYANI Iskandar, Haerul Jamaluddin Al Afgani Jamaluddin Jamaluddin Jumriani K, Jumriani K Jusrianto, Jusrianto Kadirman, Kadirman Khalik, Abd. Lahming, Lahming Lahming, Lahming Larasati, Kiki Lukman, Husain Maedy, Herju Mansur, Suci Rahmadani Marhayati Masrah Masrah Ma’sum, Andi Bayani Mihrani Mihrani Mohammad WIJAYA Muammar Muammar, Muammar Muhammad Rais Muhammad Wiharto Mukhlis, Andi Muhammad Akram Musu, Anita Napisah, Napisah Nilakrisna, Nadila Noprianti, Asri Novitasari, Ervi Nur Rahmah Nurdini Nurdini, Nurdini Nurmila, Nurmila Nurmila, Nurmila Palallo, Muh Mufty Maarif Pandi prima, Pandi prima Pangesti, Ita Diah Purnamawati Purnamawati Puspa Sari Idris, Andi Puspayanti, Nyoman Tri Putra, Reski Praja R., Mantasiah Rahmat, Muliawan Ramadhani, Djihan Rasman Rasman Ridwan, Riswan RR. Ella Evrita Hestiandari Safri Safri Simanullang, Diana Rifka Sri Wahyuni Subariyanto, Subariyanto Sugeng Santoso Sukmawati Sukmawati Wahab, Ilham Wahidah, Sri Yanto, Subari Yanto, Subari Yuniarti Yuniarti