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Achmad Riyanto
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JTSL (Jurnal Tanah dan Sumberdaya Lahan)
Published by Universitas Brawijaya
ISSN : -     EISSN : 25499793     DOI : 10.21776/ub.jtsl
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Tanah dan Sumberdaya Lahan (JTSL) dikelola oleh Jurusan Tanah, Fakultas Pertanian, Universitas Brawijaya, Malang. Artikel dari hasil penelitian orisinil, dan review tentang aspek manajemen sumberdaya tanah dan lahan yang mencakup, kesuburan tanah, kimia tanah, biologi tanah, fisika tanah, pedologi, sistem informasi lahan, kualitas tanah dan air, biogeokimia, struktur dan fungsi ekosistem, serta rehabilitasi tanah dan lahan dapat dimuat dalam jurnal ini tanpa dipungut biaya. Jurnal Tanah dan Sumberdaya Lahan diterbitkan dalam satu volume setiap tahun. Setiap volume terdiri atas dua nomor yang diterbitkan pada bulan JANUARI dan JULI.
Arjuna Subject : -
Articles 553 Documents
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APLIKASI BIOCHAR DAN PUPUK N TERHADAP SIFAT KIMIA TANAH LAHAN KERING DAN PERTUMBUHAN SORGUM Jelita, Fransiska Delafira; Hamzah, Amir; Hapsari, Ricky Indri; Wilujeng, Retno
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 1 (2026)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.1.17

Abstract

This study aims to determine how the application of rice husk biochar and nitrogen fertilizer (urea), affects the chemical properties of dryland soil and the vegetative growth of sorghum (Sorghum bicolor L. Moench). This study was conducted from September 2024 to March 2025 at the Science Techno Park of Tribhuwana Tunggadewi University in Malang, East Java, using a Factorial Randomized Block Design with two factors: urea doses (0, 100, 150 and 200 kg ha-1) and biochar (0 and 5 tons ha-1) three replications. The parameters observed were pH H2O, total N-P-K, Organic-C, plant height, stem circumference, number of leaves, and leaf length and width. The results showed that the use of rice husk biochar and N fertilizer in dryland significantly interacted only on the parameter of sorghum plant height at 8 WAP. The use of the N3 dose (urea fertilizer dose of 200 kg ha-1) showed the most optimal results, but the N2 treatment (urea fertilizer dose of 150 kg ha-1) can be considered more efficient because the use of a lower dose of N fertilizer (urea) produced results that were not significantly different from the N3 treatment. Treatment B1 (5 t biochar ha-1) showed better results than B0 (no treatment).
PENGARUH PEMANGKASAN TAJUK TANAMAN KOPI DAN PEMUPUKAN TERHADAP PENCUCIAN UNSUR HARA PADA SISTEM AGROFORESTRI KOPI Nurcholis, Omar; Wicaksono, Kurniawan Sigit; Fata, Yulia Amirul; Kurniawan, Syahrul
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 1 (2026)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.1.8

Abstract

Tree management such as pruning of coffee canopy and fertilization in coffee-based agroforestry systems plays a crucial role in reducing nutrient losses through leaching. This study aims to evaluate the impact of coffee pruning and fertilization management on nutrient leaching. The study was conducted in a coffee agroforestry system in the Universitas Brawijaya forest from February to August 2023. This study used a split-split plot design with main plots of coffee canopy pruning (T1: pruned coffee, T2: unpruned coffee), subplots of fertilizer type (O: organic fertilizer, A: inorganic fertilizer, M: 50% organic + 50% inorganic), and sub-plots of fertilizer dosage (D1: dosage based on farmer practice, D2: recommended dosage based on the Coffee and Cocoa Research Center, D3: dosage based on the replacement of nutrients removed by the coffee bean harvest). The study had 18 treatments with 4 replicates, resulting in 72 experimental plots. The variables measured included ammonium, nitrate, phosphorus, and potassium concentrations. Sampling of nutrient leaching was conducted four times over a period of six months (February-July), specifically in February, March, April, and July 2023 at 0.5 m distance from the coffee stem in 0.6 m depth of soil. The results showed that pruning coffee plants had a significant effect (P < 0.05) on nutrient losses due to leaching, especially nitrate and potassium. A pruned coffee canopy in an agroforestry system was able to reduce nitrate and potassium leaching by 30% and 13%, respectively, compared to unpruned coffee in the agroforestry land. Nutrient loss of phosphorus through leaching was found to be 21% greater in treatment D1 compared to D2. However, this study did not find a significant effect of the interaction between pruning and fertilization in reducing the leaching of nitrogen, phosphorus, and potassium nutrients.
PERAN FUNGI MIKORIZA ARBUSKULA (FMA) DALAM MENINGKATKAN PERTUMBUHAN RUMPUT BEDE (Brachiaria decumbens Stapf.) PADA TANAH TERCEMAR TIMBAL (Pb) Hazra, Fahrizal; Rosita, Risa; Tamimi, Thariq Final
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 1 (2026)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.1.16

Abstract

Lead (Pb) contamination in soil has a deleterious effect on agricultural land quality. Remediation using Arbuscular Mycorrhizal Fungi (AMF) and signal grass (Brachiaria decumbens Stapf.) has been identified as an effective strategy. This study aims to (1) evaluate the effectiveness of AMF on sorghum growth, (2) compare the performance of single and combined AMF applications, and (3) assess the effect of AMF on the growth of signal grass. The experiment was conducted at the SEAMEO BIOTROP Laboratory using a completely randomized factorial design with three factors: (1) Pb concentration (0, 50, 100 ppm); (2) AMF application (no AMF, Glomus fasciculatum (GF), and a combination of Glomus fasciculatum + Gigaspora margarita (GF+GM)); and (3) soil conditions (sterile and non-sterile). The results showed that AMF propagation enhanced sorghum growth, with the combination treatment (GF+GM4) performing best, while the single treatment (GF5) produced the highest spore density. Single AMF propagation (GF) was more effective for spore multiplication, whereas the multi-genus combination supported greater plant growth. The GF+GM treatment also produced optimal signal grass growth, with the highest plant height at P2F3T2 (29.33 cm) and the highest number of leaves at P2F1T1 (4.06 leaves). The mechanism of Pb accumulation in roots, its translocation to the canopy, and the role of AMF in restricting Pb ion transport while enhancing nutrient uptake demonstrate that integrating phytoremediation and bioremediation effectively reduces Pb toxicity.

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