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All Journal Jurnal Akuakultur Rawa Indonesia Numeracy : Jurnal Ilmiah Pendidikan Matematika
Sri Hartini
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Mathematics

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KUALITAS AIR, KELANGSUNGAN HIDUP DAN PERTUMBUHAN BENIH IKAN GABUS (Channa striata) YANG DIPELIHARA DALAM MEDIA DENGAN PENAMBAHAN PROBIOTIK Sri Hartini; Ade Dwi Sasanti; Ferdinand Hukama Taqwa
Jurnal Akuakultur Rawa Indonesia Vol 1, No 2 (2013): JURNAL AKUAKULTUR RAWA INDONESIA
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (204.754 KB) | DOI: 10.36706/jari.v1i2.1739

Abstract

The aims of this research were to study the influence of probiotics on water quality of cultivation media, survival rate and growth of snakehead, and to determine the right concentration of probiotics to obtain the best water quality, survival rate and growth. This current research examined 6 treatments and each treatments was replicatet 3 times. The treatmens were randomized according to comletely randomized design.  The treatmens consisted of P0 (without probiotic addition), P1 (addition of 2.5 µl.l-1 week-1), P2 (addition of  5 µl.l-1 week-1), P3 (addition of 7.5 µl.l-1 week-1), P4 (addition of 10 µl.l-1 week-1) dan P5 (addition of 12.5 µl.l-1 week-1). The research was carried out for 30 days of maintenance in a tarp as a media container maintenance. From the research that has been done that the addition of probiotics in snakhead (C. striata)  maintenance media  obtained the best dose that is 10 μl.l-1 week-1.  Results of water quality measurements that include DO, temperature, pH, Ammonia, Nitrite and Nitrate in descriptive unreal influence.  But it gives a significantly different effect mainly on the total bacterial, survival rate (96.66%), with growth in the length of 1.3 cm and 0.27 g weight gain.   Key Word: Snakehead Larvae, Probiotics, Survival Rate, Growth
DESAIN PEMBELAJARAN MATERI PENGOLAHAN DATA MENGGUNAKAN KONTEKS ADIWIYATA MELALUI PENDEKATAN PMRI DI SD Sri Hartini; Somakim; Nila Kesumawati
Jurnal Numeracy Vol 2 No 2 (2015)
Publisher : Program Studi Pendidikan Matematika, STKIP Bina Bangsa Getsempena

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (824.053 KB) | DOI: 10.46244/numeracy.v2i2.164

Abstract

Penelitian ini bertujuan untuk menghasilkan lintasan belajar yang dapat membantu siswa dalam memahami konsep pengolahan data dengan pendekatan PMRI menggunakan konteks sekolah peduli dan berbudaya lingkungan (Adiwiyata) yang berkembang dari bentuk informal menuju bentuk formal. Metode yang digunakan adalah design research yang melalui tiga tahap, yaitu preparing for the experiment, design experiment, dan retrospective analysis. Penelitian ini dilaksanakan di kelas VI A SD IBA Palembang yang terdiri atas 25 siswa. PMRI mendasari desain konteks dan aktivitas pada penelitian ini. Pengumpulan data dilakukan melalui wawancara, rekaman video, mengumpulkan hasil kerja siswa, pre-test dan post-test. Berdasarkan hasil penelitian diperoleh lintasan belajar yang dapat mendukung konsep pengolahan data dari informal menuju formal meliputi aktivitas pengolahan data,mengolah dan menyajikan data ke dalam bentuk tabel dan menafsirkan sajian data. Hasil dari percobaan pembelajaran menunjukkan bahwa melalui serangkaian aktivitas yang telah dilakukan membantu pemahaman siswa tentang konsep pengolahan data.
Co-Authors Ade Dwi Sasanti Ferdinand Hukama Taqwa Nila Kesumawati Somakim, Somakim