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All Journal Akta Agrosia Lumbung Ngabdi: Jurnal Pengabdian Masyarakat
Ajidirman
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Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice

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KAJIAN EFEK RESIDU AMELIORAN IN SITU BATUBARA BITUMINOUS DAN LAPISAN PENGOTORNYA TERHADAP SIFAT FISIKA-KIMIA TANAH REKLAMASI TAMBANG BATUBARA DAN HASIL KEDELAI Khairul, Khairul; Ajidirman; Sunarti
Akta Agrosia Vol 25 No 2 (2022)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Application of slow decomposed organic ameliorants is expected to have a long-term impact on improving soil Physico-chemical properties. The source of in situ organic carbon that is easy to obtain on coal mine reclamation land are the coal itself and its coal impurities (parting) ameliorants. They are slow to decompose, so the residue can last for a long time in the soil. This study aimed to examine the effect of first-year residue of both coal and parting as ameliorants on the improvement of the physical and chemical properties of coal mine reclaimed soil and soybean yields. A pot study was เว็บสล็อต | R4shub conducted using a randomized block design with 3 treatments. The treatments tested were residues from the first year of the administration of ameliorant in situ, namely: Control, Bituminous coal ameliorant residue, and parting. Both coal and parting were tested with 5 doses each consisting of 5, 10, 15, 20, or 25 tons ha-1. The results showed that the first-year residue of bituminous coal ameliorant and coal impurities significantly affected some of the chemical properties of coal mine reclaimed soil. Both types of ameliorant residues had a very significant effect on increasing C-organic, humic acid, and total N content. The highest increase in soil organic C was found in soil ameliorated by using bituminous coal residues at 25 tons ha-1, and those by using coal impurities at was 20 tons ha-1. However, treatments did not affect soybean growth and yield.    
Pemberdayaan Kelompok Tani Makmur Melalui Pembuatan Biochar Limbah Kelapa Sawit Areal Replanting untuk Meningkatkan Kesuburan Tanah Ajidirman; Wiskandar; Zurhalena
Lumbung Ngabdi: Jurnal Pengabdian Masyarakat Vol. 1 No. 1 (2023): April
Publisher : Pusat Kajian dan Pengembangan Publikasi Ilmiah Institut Agama Islam Hamzanwadi Nahdlatul Wathan Lombok Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51806/vd1ytw12

Abstract

Limbah tanaman sawit hasil pembongkaran siklus tanam pertama sebagai sumber bahan baku biochar tersedia dalam jumlah banyak pada lahan perkebunan kelapa sawit yang akan di replanting. Ketidaktahuan petani yang terhimpun Kelompok Tani Makmur Desa Damai Kecamatan Renah Mandaluh Kabupaten Tanjung Jabung Barat dalam mengelola dan memanfaatkan limbah tanaman sawit menyebabkan bahan tersebut terbuang begitu saja di lapangan. Biochar merupakan amelioran yang dapat memperbaiki kesuburan tanah dari lahan yang digunakan untuk budidaya tanaman sawit terutama siklus tanam kedua. Tujuan dari program pengabdian kepada masyarakat ini adalah memberdayakan Kelompok Tani Makmur dalam mengelola sumber karbon organik in situ menjadi biochar untuk memperbaiki dan meningkatkan kualitas kesuburan tanah lahan pertanian secara berkelanjutan. Program pengabdian dilaksanakan melalui metode penyuluhan, bimbingan teknis pembuatan biochar, dan bimbingan pengaplikasian biochar pada lahan pertanaman siklus kedua atau replanting tanaman kelapa sawit. Hasil yang dicapai dari program pengabdian adalah petani mengakui mendapat pengetahuan baru tentang biochar dan pemanfaatan residu tanaman kelapa sawit hasil pembongkaran siklus penanaman pertama sebagai bahan baku biochar dan pemanfaatnya untuk meningkat kesuburan tanah lahan perkebunan kelapa sawit. Petani mengetahui teknologi dan dapat membuat biochar dengan teknologi yang sudah diperkenalkan.
Co-Authors Khairul Khairul, Khairul Sunarti Wiskandar Zurhalena