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All Journal Jurnal Penelitian Kelapa Sawit Journal of Innovative and Creativity
Dini Mufriah
Universitas Alwashliyah Medan
Agriculture, Biological Sciences & Forestry Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Aplikasi Pupuk Kompos (Campuran Limbah Sabut Kelapa, Kotoran Sapi, Dan Sampah Pasar) Dan Dolomit Terhadap Pertumbuhan Dan Hasil Tanaman Sawi (Brasicca Chinensis) Maulana Majid Shah; Dini Mufriah; Syahriandi Akbari; Dian Dhika
Journal of Innovative and Creativity Vol. 6 No. 1 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v6i1.7714

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh dosis Kompos (campuran limbah sabut kelapa,kotoran sapi, dan sampah pasar) terhadap pertumbuhan dan hasil produksi tanaman sawi, mengetahui pengaruh pupuk Dolomit terhadap pertumbuhan dan hasil prosuksi tanaman sawi, untuk mengetahui interaksi antara dosis Kompos (campuran limbah sabut kelapa,kotoran sapi, dan sampah pasar) dan pupuk Dolomit terhadap pertumbuhan dan hasil produksi tanaman sawi. Penelitian ini menggunakan metode Acak kelompok (RAK) faktorial, rancangan ini terdiri dari dua faktor. Faktor I adalah dosis pupuk kompos yang terdiri dari 3 (Tiga) taraf perlakuan yaitu: K0 (kontrol), K1(1,5 kg/plot), K2 (3 kg/plot).. Faktor II adalah pupuk Dolomit yang terdiri dari 3 (tiga) taraf perlakuan yaitu: D0 (Kontrol), D1 (1,5 kg/plot), D2 (3 kg/plot). Jumlah kombinasi perlakuan 9 (sembilan) dengan 3 (tiga) ulangan. Parameter pengamatan pada penelitian ini adalah Tinggi tanaman (cm), jumlah daun (helai), berat basah tanaman per- sampel (gram), berat basah tanaman per- plot(gram). Hasil penelitian menunjuk-kan pemberian Kompos (campuran limbah sabut kelapa,kotoran sapi, dan sampah pasar) tidak berpengaruh nyata terhadap parameter tinggi tanaman, jumlah daun, berat basah tanaman per sampel, berat basah tanaman per plot. Pemberian pupuk Dolomit tidak berpengaruh nyata terhadap tinggi tanaman, jumlah daun, berat basah tanaman per sampel, dan berat basah tanaman per plot. Interaksi antara dosis Kompos (campuran limbah sabut kelapa,kotoran sapi, dan sampah pasar) dan Dolomit berpengaruh tidak nyata terhadap tinggi tanaman, jumlah daun, berat basah tanaman per sampel, berat basah tanaman per plot, berat basah akar tanaman per sampel dah berat basah akar tanaman per plot.
Dampak Air Terhadap Perubahan Sifat Fisik, Kimia, dan Struktur Mikro Biochar dari Tandan Kosong Kelapa Sawit Benny Hidayat; Syarifa Mayly; Dini Mufriah; Fachri Muhammad; Kemala Sari
Jurnal Penelitian Kelapa Sawit Vol 34 No 1 (2026): Jurnal Penelitian Kelapa Sawit
Publisher : Pusat Penelitian Kelapa Sawit

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iopri.jur.jpks.v34i1.366

Abstract

Water is essential to life, and immersion treatment has been shown to significantly alter the properties of biochar, particularly by converting its hydrophobic nature into a hydrophilic one and others. This transformation leads to various changes in the material's physicochemical characteristics. In this study, biochar produced through pyrolysis of oil palm empty fruit bunches (EFB) using a kiln method was analyzed to assess its physical properties before and after immersion in distilled water. Surface morphology and elemental composition were evaluated using Scanning Electron Microscopy coupled with Energy Dispersive X-ray Spectroscopy (SEM-EDX), while specific surface area was measured using the Brunauer–Emmett–Teller (BET) method. Additional analyses, including pH, bulk density, water holding capacity, and moisture content, were conducted at the National Research and Innovation Agency (BRIN) and the Soil Biology Laboratory, Faculty of Agriculture, University of North Sumatra. The results demonstrated that water immersion induced notable changes in biochar characteristics. The pH of the biochar slightly decreased from 10.09 in dry EFB biochar to 9.54 in the soaked sample. While the soaked biochar exhibited higher concentrations of most nutrient elements, the carbon (C) content remained higher in the dry biochar at 65.06%. BET analysis revealed that the surface area of dry biochar (79.446 m²/g) was substantially greater than that of the soaked biochar (38.783 m²/g). Conversely, the soaked biochar showed superior performance in terms of bulk density (0.34 g/cm³), water holding capacity (10.51%).
Co-Authors Benny Hidayat Dian Dhika Fachri Muhammad Kemala Sari Maulana Majid Shah Syahriandi Akbari Syarifa Mayly