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All Journal Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Ilmiah Profesi Pendidikan Jurnal Inovasi Pendidikan dan Sains Bioscientist : Jurnal Ilmiah Biologi Jurnal Warta Desa (JWD) Jurnal Pijar MIPA Current Educational Review Jurnal Pengabdian Masyarakat Tropis Indonesia
Didik Santoso
Fakultas Keguruan Dan Ilmu Pendidikan Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Morphometric And Meristic Aspects of Lemuru Fish (Sardinella lemuru) Landed on Pancer Beach Banyuwangi Dea Yolanda Aulia Rida; Karnan Karnan; Didik Santoso
Jurnal Biologi Tropis Vol. 26 No. 1 (2026): Januari-Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i1.11364

Abstract

Lemuru fish (Sardinella lemuru) is the main small pelagic commodity in the Bali Strait that has high economic value but is vulnerable to pressure on the surface. This study aims to analyze the morphometric and meristic characteristics of lemuru fish landed on Pancer beach, Banyuwangi. The research method used a descriptive survey with stratified random sampling techniques of 50 individuals in the period from October to December 2022.  The results of measurements on 23 morphometric variables showed that the total length was 9 ≤ 19 cm (92%), the standard length was 7 ≤ 17 cm (86%), the body width was 1 ≤ 11 cm (90%), the height of the body was 2 ≤ 10 cm (88%), the height of the tail rod was 1 ≤ 9 cm (84%), the length of the tail rod was 1 ≤ 9 cm (96%), the length of the ventral fin was 1 ≤ 9 cm (90%),  Pectoral fin length 1 ≤ 13 cm (98%), Eye diameter 1 ≤ 9 cm (90%) and weight 10 ≤ 24 g (98%). Meanwhile, the calculation of 14 meristic variables of lemuru fish showed that: Number of Hard Dorsal Radius 2 ≤ 12 (88%), Number of Weak Dorsal Radius 3 ≤ 13 (96%), Number of Hard Anal Fin Fingers 2 ≤ 6 (86%), Number of Weak Anal Fin Fingers 2 ≤ 8 (88%), Number of Scales on Lateral Stripes 54 ≤ 67 (78%), Number of Scales Around the Body 33 ≤ 41 (60%), Number of Scales on Side Lines 5 ≤ 17 (94%),  The number of scales below the side line is 10 ≤ 20 (94%).
The Impact of Bokashi and NPK Fertilizer Applications on Pakchoy (Brassica rapa L.) Growth Ahmad Raksun; Lalu Zulkifli; I Wayan Mertha; Didik Santoso; Moh. Liwa Ilhamdi
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.11543

Abstract

The growth of pakchoy is determined by the availability of nutrients around its root system. Research on the effect of bokashi and NPK fertilizer on pakchoy vegetative growth was conducted from May to August 2025. This study aimed to measure the increase in pakchoy growth after being given bokashi and NPK fertilizer. The pakchoy planting experiment was conducted using a completely randomized design with two factors. Pakcoy was planted in experimental pots, given bokashi treatment 3 days before planting and given NPK fertilizer 15 and 22 days after planting. The results of the experiment showed that: (1) the vegetative growth parameters of pakchoy given 1.5 g of NPK fertilizer were significantly different from the control, except for leaf width, (2) the vegetative growth parameters of pakchoy given 1.6 kg of bokashi were significantly different from the control, except for leaf width, (3) The interaction of bokashi and NPK fertilizer did not significantly affect the vegetative growth of pakchoy.
Co-Authors A Wahab Jufri Abdul Syukur Abdul Syukur Abdul Syukur Abdul Syukur Abdul Syukur Abdul Syukur Abdul Syukur Abdul Syukur Agil Al Idrus Agil Al Idrus Agil Al Idrus Agil Al Idrus Agil Al Idrus Agil Al Idrus Agil Al Idrus Agil Al Idrus Ahmad Raksun Ahmad Raksun Ahmad Raksun Ainun Diniyatushoaliha Arinal Hidayati Aulia Maulidina Baiq Sri Komalasari Bukhari Abdillah Dadi Setiadi Dea Yolanda Aulia Rida Dita Anggraini Safitri Sipayung Eni Suyantri Fitriyani Fitriyani G. Gunawan Gde Cahyadi Wirajagat Gito Hadiprayitno Hadiatullah Haryani Haryani Husain, Pahmi I Gde Mertha I Gusti Ngurah Aryawan Asasandi I Wayan Mertha Imam Bachtiar Inda Wahyuni Karima Paspania Karnan Karnan Karnan Khairuddin Kumala Ratna Dewi Laela Innaza Laela Salsa A Lalu Japa Lalu Japa Lalu Japa Lalu Japa Lalu Japa Lalu Muh. Sofyan Hadinata Lalu Raftha Patech Lalu Zulkifli Lalu Zulkifli Lalu Zulkifli M. Liwa Ilhamdi M. Liwa Ilhamdi M. Liwa Ilhamdi M. Yamin Mahrus Mahrus Mahrus Maulidatin Nanisfi Moh. Liwa Ilhamdi Mohammad Liwa Ilhamdi Mohammad Liwa Ilhamdi Mohammad Liwa Ilhamdi Mohammad Liwa Ilhamdi Muh. Makhrus Muhammad Liwa Ilhamdi Muhammad Yamin Muhlis Muhlis Ni Luh Putu Pebri Artayani . Nindi Hamida Lutfiani Novia Indra Anggraini Pahrurrozi Rahmat Hidayatullah Ratna Sari Utami Rita Alawiyah Rizka Yulia Ashari Rully Bimantoro Siti Diniah Siti Nurhaliza Siti Nurul Inayah Sri Aprilia Nur Larasati Sri Prapti Astuti Susanty Ariani Syarif Husni Tita Syahri Ramadhani Wayan Pasek Eka Sedana Putra Widia Apriani X Zardht Alex Hidayat Zulhalifah Zulhalifah