Salah satu upaya dalam penanggulangan sampah organik ialah dengan memanfaatkannya menjadi kompos dengan bantuan larva lalat tentara hitam atau yang dikenal dengan black soldier fly (BSF). Biokonversisampah organik menggunakan larva BSF akan menghasilkan kasgot yang dapat dimanfaatkan sebagai campuran media tanam. Penelitian ini bertujuan untuk mengetahui efektivitas kasgot sebagai media tanam dan aplikasinya terhadap produksi kailan. Penelitian dilakukan dari bulan Maret sampai Juli 2021 di Kebun Percobaan dan Laboratorium Program Studi Agroekoteknologi, Universitas Trilogi. Pengujian kandungan kasgot dilakukan di Balai Penelitian Tanaman Rempah dan Obat, Bogor, Jawa Barat. Penelitian terdiri dari satu set percobaan menggunakan Rancangan Acak Kelompok (RAK) Faktorial dengan dua faktor. Faktor pertama adalah jenis kasgot (K) terdiri atas 𝐾1 = Kasgot limbah buah, 𝐾2 = Kasgot limbah sayur, 𝐾3 = Kasgot limbah nasi, dan 𝐾4 = Kasgot limbah campuran (Buah, Sayur, dan Nasi). Faktor kedua adalah persentase kasgot dalam media tanam (K) terdiri atas 𝑃1 = Kasgot 10% dan 𝑃2 = Kasgot 20%. Percobaan terdiri atas 8 perlakuan dan setiap perlakuan diulang sebanyak tiga kali dengan jumlah sampel setiap ulangan sebanyak tiga tanaman. Data hasil penelitian dianalisis menggunakan metode analysis of variance (ANOVA) dan hasil uji F yang berbeda nyata diuji lanjut menggunakan uji Duncan Multiple Range Test (DMRT) dengan taraf 5%. Hasil penelitian menunjukkan bahwa kasgot limbah nasi menjadi perlakuan media tanam terbaik dibandingkan perlakuan kasgot limbah lainnya.Persentase 10% kasgot dari limbah nasi menghasilkan tinggi tanaman 28,93 cm, jumlah daun 12,44 cm, diameter batang 6,96 cm, bobot daun panen 69,22 cm, panjang akar sebesar 33,42 cm dan bobot akar sebesar 27,42 cm. Nilai tersebut tidak berbeda nyata dengan perlakuan 20% kasgot dari limbah nasi.Kata kunci: lalat tentara hitam, limbah organik, NPK, pupuk organik, unsur hara
[NUTRITIONAL CONTENT OF BLACK SOLDIER FLY LARVAE (Hermetia illucensi) FRASS AS ORGANIC FERTILIZER]. Nowadays, maggots or Black Soldier Fly (BSF) larvae are widely used as organic waste decomposers. The use of maggot as a macro-organism waste decomposer is considered an innovation in processing waste. Maggot farming produces residue which is called Black Soldier Fly Larvae Frass (BSFF). BSFF is called organic solid fertilizer and can optimize growth because it contains various nutrient flows needed for plants. Therefore, the objective of this study was to assess the nutritional content of BSF larvae reared in the waste of rice, fruits, vegetables, and their mixture. Within this aim, it was conducted a laboratory experiment using four treatments of BSFF (the waste of rice, fruits, vegetables, and their mixture) research was conducted from March to June 2022 at the Experimental Garden and Integrated Laboratory of Trilogi University, Jakarta, with the Seameo Biotrop Laboratory, Tajur-Bogor, West Java. BSFF nutrient content was measured by the organic fertilizer test kit (PUPO) and standard laboratory procedure. According to the result of the PUPO or laboratory test, it was found that BSFF from organic waste harvested two weeks has fulfilled the standard from Permentan 2019, especially on the treatment of giving waste of rice, vegetables, or fruits with pH criteria between 4-9, C organic more than 15%, ratio C/N less than 25, the total value NPK nutrient more than 2% and Fe was found to be less than 500 mg/kg.
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