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All Journal Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Agroteknika
Shabilla Amartiya Sari
Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Energy Engineering Mechanical Engineering

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Integration of Biochar-Banana Stem Compost: An Agronomic-Economic Evaluation for Brazilian Spinach Cultivation on Peat Soil Shabilla Amartiya Sari; Tri Putri Nur; Lisa Amelia; Nuni Gofar
Agroteknika Vol 9 No 1 (2026): Maret 2026
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/agroteknika.v9i1.618

Abstract

In addition to food crops, peatland also has potential for vegetable farming, such as Brazilian spinach. The aim of this study is to determine the most effective combination of banana stem biochar and banana stem compost doses for the growth and production of Brazilian spinach, as well as to analyze the feasibility of farming on peat soil. The research was conducted from October 2024 to March 2025 on land owned by farmers in Banyu Urip Village, Tanjung Lago District, Banyuasin Regency, South Sumatra. The Complete Randomized Factorial Design (CRFD) method was used in the study and consisted of two factors. The first factor was the dose of banana stem biochar: 5, 10, 15 tons/ha. The second factor was the dose of banana stem compost: 10, 20, 30, 40 tons/ha. Based on the results, the application of a combination of biochar and banana stem compost interacted significantly in increasing plant height (cm) and number of leaves (pieces) at 3 WAP and 4 WAP, as well as the fresh weight of Brazilian spinach plants at harvest. The length and fresh weight of Brazilian spinach roots at harvest were influenced by the main factors of banana stem biochar and banana stem compost. The combination of banana stem biochar and compost did not significantly increase the pH of peat soil. Based on the farming analysis, Brazilian spinach is viable to cultivate and provides the highest profit by applying 15 tons ha⁻¹ of banana stem biochar combined with 30 tons ha⁻¹ of banana stem compost.
Soil Characteristics in Rubber, Oil Palm, and Arboretum Ecosystems: A Case Study at the Sriwijaya University Experimental Garden Tri Putri Nur; Shabilla Amartiya Sari; Nuni Gofar
Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Vol. 10 No. 2 (2026): Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian, 10 (2) Juni 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/agr.v10i2.16521

Abstract

Karakteristik tanah merupakan indikator vital dalam menentukan kesuburan dan produktivitas tanaman. Penelitian ini bertujuan mengevaluasi dan membandingkan sifat fisika serta biologi tanah pada tiga tipe penggunaan lahan (Arboretum, Karet, dan Kelapa Sawit) di Kebun Percobaan Universitas Sriwijaya. Penelitian dilakukan pada Juli-September 2023 di lahan percobaan dan Laboratorium Kimia, Biologi, dan Kesuburan Tanah Jurusan Tanah Universitas Sriwijaya. Pengambilan sampel dilakukan dengan metode survei dengan pengambilan sampel secara purposive sampling, studi ini mengungkapkan perbedaan profil tanah yang signifikan antar lahan. Hasil analisis menunjukkan bahwa tanah di lokasi arboretum dan kelapa sawit memiliki warna tanah black (10YR2/1) dan lokasi lahan karet berwarna very dark brown (10YR2/2). Lahan karet mendominasi kualitas fisik dengan kadar air, porositas, dan bulk density tertinggi, serta laju permeabilitas tercepat (11,07 cm/jam). Lahan kelapa sawit unggul dalam aktivitas mikrobiologi, ditandai dengan populasi bakteri tertinggi (1,01 x 109 CFU/g) dan total spora mikoriza terbanyak (400 spora/100g), meskipun respirasi tanah tertinggi ditemukan pada lahan karet (14,06 mg/hari). Lahan arboretum memiliki kekayaan jenis makrofauna tertinggi. Hasil penelitian menunjukkan bahwa lahan sawit memiliki keunggulan karakteristik biologi, sedangkan lahan karet lebih optimal secara fisik. Studi ini juga mengonfirmasi korelasi erat antara parameter fisik tanah dengan aktivitas biota tanah.
Co-Authors Lisa Amelia NUNI GOFAR Nuni Gofar Tri Putri Nur