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All Journal Akta Agrosia Fruitset Sains : Jurnal Pertanian Agroteknologi
Diah Listyarini
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Agriculture, Biological Sciences & Forestry

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PENGARUH KOMPOS TANDAN KOSONG KELAPA SAWIT TERHADAP BEBERAPA SIFAT KIMIA TANAH BEKAS TAMBANG BATUBARA DAN PERTUMBUHAN Falcataria moluccana (MIQ.) BARNEBY & GRIMES Diah Listyarini; Tampubolon, Gindo; Sihombing, Fajar Widodo
Fruitset Sains : Jurnal Pertanian Agroteknologi Vol. 12 No. 5 (2024): December: Ilmu Pertanian dan Bidang Terkait
Publisher : Institute of Computer Science (IOCS)

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Abstract

Penambangan batubara secara terbuka menimbulkan perubahan bentang lahan dan penurunan kualitas fisik, kimia, dan biologi tanah. Kondisi tersebut menyebabkan daya dukung untuk budidT pertanian pada tanah bekas tambang tergolong rendah rendah. Upaya yang dapat dilakukan dalam memperbaiki kualitas tanah bekas tambang batubara adalah pemberian bahan organik. Jenis bahan organik yang potensial dan cukup untuk mereklamasi tanah bekas tambang batubara serta mendukung pertumbuhan tanaman adalah Kompos Tandan Kosong Kelapa Sawit (TKKS). Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) berdasarkan arah kelerengan. Penelitian ini terdiri dari 6 perlakuan yaitu: k0 = tanpa kompos (kontrol), k1=0,75 kg/tanaman, k2 = 1,5 kg/tanaman, k3 = 2,25 kg/tanaman, k4 = 3 kg/tanaman dan k5 = 3,75 kg/tanaman. Variabel yang diamati adalah pH, P-tersedia, C-organik, tinggi dan diameter tanaman. Data penelitian ini dianalisis menggunakan uji sidik ragam untuk melihat pengaruh rata-rata perlakuan dilanjutkan dengan uji Duncan Multiple Range Test (DMRT) pada taraf ?=5%. Hasil penelitian ini menunjukan bahwa pemberian kompos TKKS mampu meningkatkan pH tanah, C-organik, menurunkan Al-dd, serta pertambahan tinggi dan diameter tanaman, namun belum mampu meningkatkan P-tersedia. Dosis terbaik kompos TKKS dalam memperbaiki sifat kimia tanah adalah 3 kg/batang.
The Effectiveness of Biochar, Compost, and Natural Phosphate in Improving Soil Quality in Oil Palm Plantations Endriani, Endriani; Sunarti; Yulfita Farni; Diah Listyarini; Najla Anwar Fuadi
Akta Agrosia Vol 27 No 2 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.27.2.71-80

Abstract

ABSTRACT เว็บสล็อต  Oil palm cultivation is increasingly carried out on suboptimal land, such as Ultisols. Application of ameliorant such as biochar and compost may be chosen as an alternative to solve the problem occurred on this sub optimal soil. This study aims to determine the optimal dosage of a mixture of oil palm empty fruit bunch (EFB) biochar, poultry manure compost, and Rock Phosphate (RP) to enhance soil quality and support the growth of one-year-old oil palm plants. The study was conducted slot maxwin over six months in a one-year-old oil palm plantation located in Panca Mulya Village. A randomized Complete Block Design (RCBD) was employed with the aplication of biochar, compost, and rock phosphate (RP = Togo Rock Phosphate, 33.5% P₂O₅) in the following treatments: P0 = control (no treatment); P1 = biochar 20 tons.ha-1 + RP 200 kg.ha-1; P2 = biochar 10 tons/ha + compost 10 tons.ha-1 + RP 200 kg.ha-1; P3 = compost 20 tons.ha-1 + RP 200 kg.ha-1; P4 = biochar 20 tons.ha-1 +compost 10 tons.ha-1 + RP 200 kg.ha-1; P5= biochar 10 tons.ha-1 + compost 20 tons.ha-1 + RP 200 kg.ha-1. Results indicated that the application of biochar, compost, and RP, whether individually or in combination, enhanced oil palm growth compared to the control. The application of biochar and compost improved soil physical properties, increased soil organic matter content, total pore space, available water content, reduced bulk density, soil penetration resistance, and promoted oil palm growth. The best treatment was found to be 10 tons.ha-1 biochar + 20 tons.ha-1 compost + 200 kg.ha-1 RP. Keywords: ameliorant, empty fruit bunch, soil quality  
Co-Authors Endriani, Endriani Gindo Tampubolon Najla Anwar Fuadi Sihombing, Fajar Widodo Sunarti Sunarti Yulfita Farni