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Ida Ayu Gede Bintang Madrini
Program Studi Teknik Pertanian dan Biosistem , Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Laju Pengomposan Sampah Organik Rumah Tangga pada Berbagai Konsentrasi Mol Air Cucian Beras Kadek Agus Krisna Bayu; Ida Ayu Gede Bintang Madrini; I Made Anom Sutrisna Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i02.p12

Abstract

Composting is one of solutions in household organic waste processing. The purpose of the research was to determine the rate of household organic waste composting at different concentrations of rice water MOL and to obtain the concentration of rice water MOL that produce the best household organic waste compost that accordance with minimum technical requirements of solid compost based on Decree of the Minister of Agriculture of Republic Indonesia No.261/KPTS/SR.310/M/4/2019. The treatment used 30 kg of household organic waste for one treatment and each concentrations of rice water MOL was 0 ml (control), 30 ml, 60 ml, 90 ml, 120 ml, 150 ml. The six treatments were repeated 2 times so that obtain 12 experimental units. Observation parameters include initial material content, Total Plate Count (TPC), temperature, pH, water content, electrical conductivity, carbon, nitrogen, C/N ratio, organic matter (OM). The data obtained were analyzed using Descriptive Statistical Analysis Method. Result of the composting study for 1 month showed that all the treatments had different rates of composting. The result of compost has pH value 6,8 7,2, water content 25,97%-33,42%, C-organik 30,13%-34,14%, N-total 1,26%-2,21%, C/N ratio 13,63% 26,37%, and OM 51,95%-58,86%. The treatment of adding 120 ml rice water MOL to 30 kg of household organic waste is the best treatment because it can reached ambient temperature on the 25th day and reached neutral pH on the 21st day and has met requirements of solid compost based on the Decree of the Minister of Agriculture of the Republic Indonesia No.261/KPTS/SR.310/M/4/2019.
Pengaruh Penambahan Bioaktivator EM4 dan Molase dalam Pembuatan Pupuk Organik Cair dari Limbah Restoran Khas Bali I Putu Cahya Windu Adi; I Putu Surya Wirawan; Ida Ayu Gede Bintang Madrini
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 11 No 2 (2023): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBETA.2023.v11.i02.p13

Abstract

Liquid organic fertilizer is a type of fertilizer made from the utilization of organic waste. Food waste used in the process of making liquid organic fertilizer includes vegetables, leftover rice, onion peel, and fruit residue. The purpose of this study was to obtain the effect of using EM4 and molasses bioactivator in the manufacture of liquid organic fertilizer. The method used for water content analysis is the gravimetric method (AOAC 2016). From the results of research that has been done that the use of molasses and EM4 does not cause a significant effect on temperature and pH. From the results of field research, the average temperature obtained from three replications is 27.8ºC and the resulting pH value is 7.49 at the beginning of the fermentation. In the analysis of NPK levels, the role of the use of molasses and EM4 is very influential, where each produces a value of 0.12%, 0.042% , 0.022% which is the highest value for NPK. The results of the analysis of the water content of the material get a value of 47.73%. The results of the analysis of the C/N ratio showed that the C-Organic value was higher than the N-total value. The colors produced from leachate materials are very diverse, due to variations in the raw materials used. The use of molasses and EM4 bioactivator had no effect on temperature and pH but did have a significant effect on NPK levels.
Co-Authors I Made Anom Sutrisna Wijaya I Putu Cahya Windu Adi I Putu Surya Wirawan Kadek Agus Krisna Bayu