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Riri Sadiana
Teknik Mesin Fakultas Teknik Universitas Islam “45” Bekasi Jl. Cut Meutia No.83 Bekasi
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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Analysis of Mathematical Models for Gurame Cultivation Systems in Empang Ponds in Tembelang Bekasi Regency Riri Sadiana; Hengki Rahmanto
Mestro Vol 3 No 01 (2021): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v4i01.378

Abstract

The system of gouramy cultivation in ponds conducted by the community of Tambelang Bekasi Regency is still based on their experiences that develop in an unwritten manner with the application of the Pendederan I, Pendederan II, and Pendederan III systems to anticipate the length of time they need to go from ready to consumption. Pendederan II in addition to the need for optimization on input variables (feed, sente leaves, area maintenance officers) is also a transition period that is vulnerable to predators or predators such as snakes, bats, and cork fish. Techniques and methods for dealing with predators are being developed by these farmers. The analytical approach that examines the system of gouramy cultivation in pond ponds conducted by the Tambelang Bekasi Community becomes a very urgent matter considering that the results of preliminary studies conducted on yields obtained in nursery II only range from 60% to 70% of the entire seedling population distributed . The results of the analysis of mathematical models of carp culture in pond ponds in Tambelang District, Kabasi show the results that mathematical solutions through numerical simulation are strongly influenced by intrinsic rate and emphasis on the number of predators in the form of pool sterilization efforts every three months.
Production of Effective Microorganisms (Em) From Organic Waste from Traditional Markets in Tambelang District as Biocatalysts Novi Laura Indrayani; Riri Sadiana
Mestro Vol 3 No 01 (2021): Edisi Juni
Publisher : Fakultas Teknik Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/mestro.v4i01.379

Abstract

Municipal solid waste largely consists of market waste which has become a critical problem for city environment. Indiscriminate dumping of waste around city poses environmental hazards causing ecological imbalances with respect to land, water and air pollution. This waste in the form of vegetable left over, rotten vegetables can be successfully being converted into effective micro-organism i.e. In the present work, the influence of hydraulic retention time on dark fermentation metabolism was evaluated through the operation and analysis of a series of three tank reactors ranging from 7 dayto 21 day.In depth analysis of microbial communities showed growth increases up to 8,0 x 108cpu/ml.
Co-Authors Hengki Rahmanto Novi Laura Indrayani