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Pratomo, Bayu
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Analysis Of Biomass Of Mucuna Bracteata DC Due To The Provision Of Coffee Skin Waste As An Alternative Fertilizer Tarigan, Andry Admaja; Perangin-angin, Hagai Jorenta; Afrianti, Suratni; Sulastri, Yustina Sri; Sihaloho, Martha Adiwaty; Pratomo, Bayu
Agroprimatech Vol. 9 No. 1 (2025): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v9i1.6504

Abstract

Biomass Analysis of Mucuna bracteata DC Due to the Application of Coffee Husk Waste as an Organic Nutrient Source. Mucuna bracteata DC is a cover crop that plays a crucial role in soil conservation and soil fertility improvement. This study aims to analyze the effect of liquid organic fertilizer (LOF) derived from coffee husk waste on the biomass growth of Mucuna bracteata DC, particularly in terms of fresh shoot weight, fresh root weight, dry shoot weight, and dry root weight. The research was conducted at Jalan Kuali No. 50, Medan Petisah District. The experiment was designed using a Completely Randomized Block Design (CRBD) with a single-factor treatment consisting of seven LOF dosage levels: K0 (no treatment), K1 (5 mL/polybag), K2 (10 mL/polybag), K3 (15 mL/polybag), K4 (20 mL/polybag), K5 (25 mL/polybag), and K6 (30 mL/polybag), with four replications, totaling 28 experimental plots. The results showed that the application of coffee husk LOF significantly affected the biomass growth of Mucuna bracteata DC. The highest fresh shoot weight (9.51 g) and dry shoot weight (2.14 g) were recorded in treatment K6 (30 mL/polybag), whereas the highest fresh root weight (2.29 g) and dry root weight (0.32 g) were observed in treatment K5 (25 mL/polybag). Higher LOF doses generally increase plant biomass up to an optimal threshold, beyond which nutrient absorption efficiency by roots declines. Overall, the optimal LOF dosage for maximizing biomass growth in Mucuna bracteata DC ranges between 25–30 mL/polybag. The use of coffee husk waste as an organic nutrient source presents a sustainable alternative for improving plant productivity while reducing dependency on synthetic fertilizers.
Pertumbuhan Vegetatif Mucuna bracteata D.C dengan Pemberian Pupuk Organik Cair Limbah Kulit Kopi Depari, Ari Angga Pratama; Mendrofa, Daniel; Sembiring, lidia; Ginting, Billi Sanjaya; Tarigan, Andry Admaja; Nasution, Muhammad Arif; Pinem, Laura Juita; Sulastri, Yustina Sri; Pratomo, Bayu
Tabela Jurnal Pertanian Berkelanjutan Vol. 4 No. 1 (2026): Edisi Januari
Publisher : Ilmu Bersama Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56211/tabela.v4i1.1570

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk organik cair (POC) berbahan limbah kulit kopi terhadap pertumbuhan awal benih Mucuna bracteata D.C. sebagai tanaman penutup tanah yang umum digunakan di perkebunan kelapa sawit. Penelitian dilaksanakan di Medan dan Sibolangit pada Februari–Juli 2025 menggunakan Rancangan Acak Kelompok (RAK) nonfaktorial dengan enam taraf dosis POC, yaitu 0, 20, 40, 60, 80, dan 100 ml per 100 ml air per polybag, serta empat ulangan. Parameter yang diamati meliputi panjang sulur dan jumlah daun. Hasil penelitian menunjukkan bahwa pemberian POC limbah kulit kopi tidak berpengaruh nyata terhadap kedua parameter pertumbuhan yang diamati. Panjang sulur tertinggi diperoleh pada dosis 40 ml dengan rerata 17,95 cm, sedangkan jumlah daun terbanyak terdapat pada dosis 80 ml dengan rerata 9,88 helai. Namun, berdasarkan hasil analisis ANOVA, tidak terdapat perbedaan yang signifikan antar perlakuan. Dengan demikian, dapat disimpulkan bahwa aplikasi POC limbah kulit kopi pada dosis yang diuji belum mampu meningkatkan pertumbuhan awal Mucuna bracteata D.C. secara nyata.
Co-Authors afrianti, Suratni Angga Oktavianus Aryska, Dini Christina, Chyntia Davidson Silalahi, Calvin Depari, Ari Angga Pratama Elisa Julianti Ginting, Billi Sanjaya Ginting, Chelvin Van Roy Gunawan, Juan Felix Hagai Jorenta Perangin-angin Irni, Julaili Kurniawan, Zahir Lumban Tobing, Herdianta Martha Adiwaty Sihaloho Mendrofa, Daniel Muhammad Arif Nasution Nur Ariyani Agustina Oktavianus, Angga Perangin-angin, Hagai Jorenta Pinem, Laura Juita R Sitinjak, Rama R. Sitinjak, Rama Rahayuwati, Sat Rama Riana Sitinjak Ridwanti Batubara Sembiring, lidia Suryadi Risky Sirait Tanjung, Agung Rafiul Naldi Tarigan, Andry Admaja Tarigan, Andry Atmaja Yustina Sri Sulastri Zuliyanti, Ameilia