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All Journal Jurnal Jeumpa Jurnal Pijar MIPA
Shahra, Farah Diba
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Immunology & microbiology Mathematics Physics

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Keanekaragaman Mollusca Sebagai Indikator Kualitas Air di Kuala Langsa, Aceh Shahra, Farah Diba; Jayanthi, Sri; Sentosa, Zill Sekar Gading Fawwaz; Ayu, Mughnita; Syahputra, Muhammad Khalid
Jurnal Jeumpa Vol 10 No 1 (2023): Jurnal Jeumpa
Publisher : Department of Biology Education, Faculty of Teacher Training and Education, Samudra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jj.v10i1.5726

Abstract

Mollusca merupakan organisme hidup yang perseptif terhadap perubahan kualitas air dihabitatnya. Penelitian ini bertujuan untuk memberikan informasi terkait keanekaragaman mollusca sebagai indikator kualitas air di desa Kuala Langsa. Penelitian ini bersifat deskriptif kuantitatif, dengan penentuan lokasi menggunakan purposive sampling. Pengambilan sampel Mollusca dilakukan dengan cara hand collecting. Jumlah total dari individu mollusca yang terletak pada setiap stasiun di kawasan Kuala Langsa adalah 811. Indeks Keanekaragaman (H') mollusca di kawasan Kuala Langsa berkisaran 1.01–1.61. Dari hasil penelitian Kisaran suhu pada setiap titik pengamatan yaitu 30°C. Salinitas perairan pada setiap stasiun yaitu berkisaran 23–25‰. Nilai derajat keasaman (pH) pada setiap stasiun di lokasi penelitian yaitu berkisaran 7.8–8.5. Substrat pada stasiun 1 yaitu pasir berlumpur, pada stasiun 2 yaitu lumpur berpasir dan pada stasiun 3 yaitu lumpur. Kualitas perairan di kawasan Kuala Langsa berada dalam kondisi tercemar sedang. Kondisi ini menunjukkan bahwa jumlah individu hampir konstan dan terdapat beberapa jenis yang dominan.
The Effect of Liquid Organic Fertilizer of Shallot Skins and Compost of Coconut Dregs on the Growth of Mint Plant (Mentha piperita L.) Cuttings Shahra, Farah Diba; Jayanthi , Sri; Atmaja, Teuku Hadi Wibowo
Jurnal Pijar Mipa Vol. 19 No. 1 (2024): January 2024
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA colaborates with Perkumpulan Pendidik IPA Indonesia Wilayah Nusa Tenggara Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpm.v19i1.6263

Abstract

Mint (Mentha piperita L.) belongs to the Lamiaceae family, whose essential oil is used as a flavouring agent and to treat diseases. The low productivity of mint plants is because the nutrients in the planting medium do not support growth efforts made through fertilization. Two organic materials that can be used as fertilizer are shallot skin and coconut dregs. This study aimed to determine the effect of liquid organic fertilizer on shallot skins and coconut dregs compost and the most optimal treatment for the growth of mint plant cuttings (Mentha piperita L.). This type of research was quantitative with an experimental method using a completely randomized design (CRD) factorial consisting of 2 factors, namely red onion skin liquid organic fertilizer and coconut dregs compost, each consisting of 3 levels so that the treatment combination consisted of 9 treatments with as many repetitions as three times. Data analysis in this study used the Kruskal Wallis test with SPSS. The results showed that it had a very significant effect on wet weight and a significant effect on the number of leaves on the growth of mint cuttings (Mentha piperita L.). The best treatment for each observation parameter was wet weight BM1AK2 (13 grams), number of primary branches BM1AK2 (2.67), plant height BM2AK1 (26.5 cm) and number of leaves BM2AK1 (27.33 strands).
Co-Authors Atmaja, Teuku Hadi Wibowo Ayu, Mughnita Jayanthi , Sri Sentosa, Zill Sekar Gading Fawwaz Sri Jayanthi, Sri Syahputra, Muhammad Khalid