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Soil REns
Published by Universitas Padjadjaran
ISSN : 14114224     EISSN : 26854058     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
SoilREns merupakan jurnal ilmiah ilmu tanah pertanian dan lingkungan. Berisi kumpulan hasil penelitian terkini mengenai isu-isu ilmu tanah pertanian dan lingkungan. Diterbitkan atas kerjasama antara Departemen Ilmu Tanah dan Sumberdaya Lahan Fakultas Pertanian UNPAD, bekerjasama dengan Himpunan Ilmu Tanah Indonesia (HITI).
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Articles 7 Documents
 1 
Search results for , issue "Vol 23, No 2 (2025)" : 7 Documents clear
Eksplorasi Sinergi Pendekatan Fitoremediasi dan Ameliorasi dalam Rehabilitasi Tanah pada Lahan Pascatambang Melati Ambarita, Debora Dellaocto; Nurrulhusna, Nabila; Azizah, Azizah
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69710

Abstract

Soil degradation due to mining activities has led to a significant decline in environmental quality, with the mining sector contributing to deforestation of 29,635 hectares and critical land in Indonesiareaching 12.7 million hectares. Additionally, heavy metal contamination has caused a 75% decreasein soil fertility, posing a threat to ecosystem health and human well-being. This study aims to explorethe effects of phytoremediation and amelioration on the rehabilitation of post-mining soils to enhancesoil health. The article employs a systematic literature review approach using PRISMA guidelines andbibliometric use VOSviewer 1.6.19 version analysis through Scopus search engine. A systematic reviewwas conducted on studies published between 2016 and 2026, and out of 1,942 identified articles, 15were deemed eligible for inclusion. The findings indicate that the synergy between phytoremediationand amelioration has significant potential in the recovery of post-mining soils contaminated withheavy metals. Phytoremediation plants such as Rumex nepalensis, which can accumulate heavy metalsup to 100%, have proven to be effective in reducing soil contamination. Moreover, ameliorants suchas biochar and compost can reduce the bioavailability of heavy metals by up to 75%, while improvingsoil quality by enhancing soil structure, raising pH, and supporting plant growth. The combination ofthese approaches creates more favorable conditions for plant growth, thereby accelerating therehabilitation of soils and ecosystem recovery. The appropriate selection of plant species andameliorants can significantly improve the efficiency and sustainability of post-mining soil restoration,offering a long-term solution to environmental degradation caused by mining activities.
Integrasi Kompos Kulit Kopi dan Biochar untuk Meningkatkan Kualitas Bibit Kopi Arabika Sara, Dirga Sapta; Tridakusumah, Ahmad Choibar; Joy, Benny; Sofyan, Emma Trinurani; Suriadikusumah, Abraham
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69715

Abstract

The application of organic amendments is an important strategy to improve seedling quality in coffee nurseries. This study aimed to evaluate the effects of coffee husk compost and biochar, appliedsingly and in combination, on the growth of Arabica coffee seedlings. The experiment was conductedin a nursery using polybags filled with 5 kg of growing media and arranged in a randomized completeblock design with seven treatments and four replications. The treatments consisted of a control, coffeehusk compost alone, biochar alone, and combinations of compost and biochar at different rates.Growth parameters observed included plant height, stem diameter, and number of leaves. The resultsindicated that all amended treatments significantly improved seedling growth compared to thecontrol. The best growth performance was consistently obtained from the combined application ofcoffee husk compost at 300 g polybag⁻¹ and biochar at 200 g polybag⁻¹, which produced the highestplant height, stem diameter, and leaf number. This treatment demonstrated a synergistic effectbetween coffee husk compost as a nutrient source and biochar as a soil conditioner that improved thegrowing media environment. These findings suggest that the combined use of coffee husk compost andbiochar at appropriate rates is an effective approach to enhance vegetative growth and overall qualityof Arabica coffee seedlings in nursery systems.
Peran Biochar-silika dan Pupuk Anorganik Tunggal dalam Meningkatkan Ketersediaan Fosfor dan Hasil Padi Sawah Muhammad, Fadlan Atalla; Rival, Rival; Citraresmini, Ania; Sofyan, Emma Trinurani; Joy, Benny
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69718

Abstract

Rice productivity in Inceptisols is often constrained by high phosphate fixation and low nutrient efficiency, despite high total nutrient reserves. This study aimed to evaluate the effectiveness of silicaenriched biochar in improving soil chemical properties and maintaining rice yield under reduced N, P, K fertilization. A field experiment was arranged in a Randomized Block Design with two factors: silicaenriched biochar (0, 1.25, and 2.5 t ha-1) and N, P, K fertilizer dosages (0, 50%, and 100% of the  recommended dose). Observed parameters included Cation Exchange Capacity (CEC), available phosphorus, total soil silica, and yield components. The results showed a significant interaction between treatments on soil chemical properties, particularly CEC and pH. Application of 2.5 t ha-1 silica-enriched biochar independently increased available phosphorus by 24.3% and total soil silica by 5.9% compared to the control, likely due to phosphate desorption mechanisms. Agronomically, while N, P, K fertilizer was the dominant factor for yield, the combination of 2.5 t ha-1  silica-enriched biochar  with 50% N, P, K dosage produced Milled Dry Grain (MDG) yields that were statistically comparable to the 100% N, P, K treatment. This indicated that silica-enriched biochar can substitute up to 50% of inorganic fertilizer requirements without compromised yield
Peningkatan Ketersediaan Fosfor Tanah dan Tanaman serta Hasil Padi Sawah pada Inceptisols asal Jatinangor Melalui Aplikasi Pembenah Tanah dan Pemupukan Sofyan, Emma Trinurani; Sudirja, Rija; Setiawan, Ade; Puspasari, Lindung Tri; Zahra, Siti Revita
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69740

Abstract

Inceptisols is a soil order that usually low in organic matter and nutrient content. This condition resulted to dominantly sub optimal soil that is required to be amended prior cultivation process.Inceptisols properties can be enhanced through the addition of organic matter such as water hyacinthcompost, straw biochar, humic acid, and guano. Besides organic matter, the integration of NPKfertilizer can improve the chemical and physical characteristics of the soil, nutrient availability, andoptimize rice productivity in Inceptisols. This experiment aimed to identify the optimal dosage of soilamendments in combination with N, P, and K fertilizers to maximize phosphorus availability in the soiland plants, as well as rice yields in Inceptisols. This experiment took place from September 2025 toJanuary 2026 at the Soil Chemistry and Plant Nutrition Laboratory Experimental Garden, Faculty ofAgriculture, Universitas Padjadjaran, Jatinangor, Sumedang. The experiment used a RandomizedComplete Block Design with six treatments and four replications, that is: control; recommended N, P,K; soil amendment; ½ soil amendment + ¾ dose of N, P, K; 1 soil amendments + ½ dose of N, P, K; 1 ½soil amendment + ¼ dose of N, P, K. One dose of soil amendment used was 8000 kg ha-1, while one doseof N, P, K fertilizer was 350 kg ha-1 Urea, 50 kg ha-1 SP-36, and 50 kg ha-1 KCl. The results of theexperiment showed that the dose of 1 soil amendment + ½ dose of N, P, K yielded a percentage of grainper panicle of up to 94.75% and provided the highest available P and P uptake by plants.
Peranan Pupuk Magnesium–Sulfur (Kieserit) dalam Memperkuat Efisiensi Pemupukan NPK dan Produktivitas Jagung Manis pada Inceptisol Mulyani, Oviyanti; Sofyan, Emma Trinurani; Joy, Benny
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69712

Abstract

Modern agriculture largely depends on NPK fertilization however, the neglect of secondary nutrients, particularly magnesium (Mg) and sulfur (S), has increasingly led to nutrient imbalances andreduced fertilizer efficiency. Magnesium plays a crucial role in photosynthesis, energy transfer, andenzyme activation, and its deficiency often referred to as the “forgotten element” has become moreprevalent in intensive cropping systems and leached mineral soils. This study aimed to evaluate therole of magnesium–sulfur (Mg–S) fertilizer derived from kieserite in enhancing the growth and yieldof sweet corn (Zea mays saccharata L.) cultivated on Inceptisol soil. This study used a RandomizedBlock Design (RBD) with seven different combination treatments between kieserite (½; ¾; 1; 1 ½ andNPK (¾ and 1) recommended dosages, one treatment recommendation dose of local farmer and onetreatment without fertilizer for comparison. Each treatment was replicated three times, resulting in atotal of twenty-seven experimental plots. Soil chemistry parameters as a main object of thisexperiment. The results of this study showed that the application of kieserite inorganic fertilizersignificantly improved N, P, K, and Mg concentrations in plant tissue, increased total soil Mg content,and enhanced yield components of sweet corn compared to the control and standard NPK treatments.The combined application of one dose of kieserite (300 kg ha⁻¹) and the recommended NPK rate (350–100–50 kg ha⁻¹) produced the highest yield, reaching 14.24 t ha⁻¹, indicating that balanced Mg–Ssupplementation is essential for optimizing nutrient efficiency and maximizing sweet cornproductivity on Inceptisol soils.
Peran Azolla dalam Memperkaya Amelioran Organik sebagai Pupuk Hayati Padat dan Cair pada Padi Organik Setiawati, Mieke Rochimi; Suswanto, Irwan; Suryatmana, Pujawati
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69717

Abstract

Improvement of rice productivity can be achieved by conducting farming efficiency and utilizing  local resources. The Azolla water fern is a local resource that can be used as organic fertilizer in organic farming. Organic farming is a cultivation technique that utilizes organic materials to preserve the production environment so that the sustainability of agriculture can be maintained. This study aimed to determine the efficiency of the use of organic ameliorant added with Azolla sp. compost and biological fertilizers on soil C-organic content, C/N ratio of soil and organic rice yields. This research was conducted at the Experimental Station of the Faculty of Agriculture, Universitas Padjadjaran. The design used was randomized block design (RBD) with six treatments and four replications. The treatment is used in the form of a combination of organic ameliorants (straw and animal manure 10 tons ha-1 and straw, Azolla sp. and compost 7.5 tons ha-1) and solid and liquid biofertilizers with doses each of 10 kg ha-1  and 5 L ha-1.  Result showed that the soil treated with combination of organic ameliorant added Azolla sp with solid biofertilizer had higher C-organic content compared to other treatments. Whereas the aplication of organic ameliorant added with Azolla sp. combined with liquid biofertilizers has increased organic rice yield.
Efek Inokulasi Bakteri Pemfiksasi N dalam Carrier Organik terhadap Pertumbuhan dan Hasil Padi Gogo pada Inceptisol Suryatmana, Pujawati; Setiawati, Mieke Rochimi
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69714

Abstract

National rice production in Indonesia is supported by two main rice-growing types—lowland (paddy) and upland (dryland) rice. Lowland rice contributes a larger share to national rice productionthan upland rice. However, several constraints in lowland rice cultivation may hinder efforts to furtherincrease its productivity. One alternative approach to address these constraints is the development ofupland rice cultivation. The objective of this study was to investigate the effects of urea fertilizerdosage and nitrogen-fixing bacteria (NFB) applied with different carrier materials (compost, amixture of compost and rice bran, and Azolla) on the growth and yield of upland rice grown onInceptisols in Jatinangor. The experiment was arranged in a randomized block design with twofactors: urea fertilizer dosage (100% and 50% of the recommended rate) and the application ofnitrogen-fixing bacteria using various carrier materials (compost, rice bran, and Azolla meal) as wellas a liquid culture without a carrier. The results demonstrated that the effect of urea dosage wasindependent of the nitrogen-fixing bacteria applied using carrier materials. Individually, thetreatments were not significantly affected the population of Azotobacter spp. and Azospirillum spp.,plant height, number of panicles, or 1,000-grain weight of upland rice. However, the nitrogen-fixingbacteria inoculation with a mixed carrier (compost, rice bran, and Azolla) significantly increased filledgrain weight, resulting in the highest average filled grain yield of 37.30 g per plant.

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