PENGARUH JUMLAH CACING TANAH (Lumbricus rubellus) DAN WAKTU PENGOMPOSAN TERHADAP KANDUNGAN NPK LIMBAH MEDIA TANAM JAMUR TIRAM SEBAGAI BAHAN AJAR BIOLOGI Darwis Husain1, Sukarsono1, Nurul Mahmudati1 1Pendidikan Biologi FKIP Universtias Muhammadiyah Malang, e-mail : drw.darwishusain@gmail.com ABSTRAK Penelitian ini bertujuan untuk mengetahui adanya pengaruh jumlah cacing tanah dan waktu pengomposan terhadap kandungan NPK limbah media tanam jamur tiram, mengetahui kandungan NPK terbaik sesuai standar yang ditetapkan pemerintah yaitu N 0,4%, P 0,1% dan K 0,2% serta mengetahui penerapan hasil penelitian sebagai bahan ajar biologi. Jenis penelitian yang digunakan adalah True Experimental Research yang dilakukan pada tanggal 07 Juli-07 Agustus 2014 di Laboratorium Kimia Universitas Muhammadiyah Malang. Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) Faktorial Design yang terdiri dari 2 faktor, faktor A merupakan jumlah cacing tanah (25, 30 dan 35 cacing) dan faktor B merupakan waktu pengomposan (5, 10 dan 15 hari). Analisis data menggunakan anava 2 jalan dan uji Duncan. Hasil penelitian menunjukkan bahwa jumlah cacing tanah 35 cacing dan waktu pengomposan 15 hari merupakan perlakuan terbaik. Persentasi unsur hara terbaik yang dihasilkan yaitu N (3,85 %), P (0,78 %) dan K (1,45 %). Sedangkan Rasio C/N yang dihasilkan yaitu 10,51. Kata Kunci: Limbah, Cacing Tanah, Waktu, Pengomposan, Kandungan NPK
Honingka worms (Siphonosoma australe-australe) can be found in the Wakatobi Islands, Southeast Sulawesi. Honingka worms have been used as food traditional medicine. Honingka worms have never been tested in terms of nutritional content. This study aimed to determine the nutritional content of wet worms. This research was conducted at Testing Laboratory, Faculty of Fisheries and Marine Sciences Halu Oleo Kendari University from September to October 2017. This study was descriptive quantitative research. The data were analyzed through descriptive analysis. The results showed that the nutrient content average of wet Honingka was 17.3880% protein, 1.2766% lipid, 79.5928% water, 0.6408% ash, and crude fiber of 0.5798%. The results showed that these worms in fresh/wet portions can have high levels of protein, coarse fiber, and high-water content, low ash, and non-fat content. This study showed that the fresh/wet Honingka worm has potential as a food source for the community.
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