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All Journal Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Jurnal Pembangunan dan Alam Lestari agriTECH SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Penelitian Kehutanan Bonita Jurnal Riset Kajian Teknologi dan Lingkungan
Sugeng Prijono
Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Effect of Coffee Ages and Shade Types on Soil Moisture and Soil N, P, K Availability in UB Forest sa'diyah, zenny faridatus; Prijono, Sugeng; Suntari, Retno; Kusuma, Zaenal
JOURNAL OF TROPICAL SOILS Vol. 28 No. 2: May 2023
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2023.v28i2.39-45

Abstract

Water and nutrients is important for plant which has its characteristics. This study has been carried out in the UB (Brawijaya University) forest about soil moisture content during rainy and dry seasons, Total-N, -P, -K from litter on different types of shade and age of coffee plants, and their effect on soil Available-N, -P, and -K. There are P1 (control), P2 (4-year-coffee + pine), P3 (7-year-coffee + pine), P4 (4-year-coffee + mahogany), and P5 (7-year-coffee + mahogany). These treatments affected to total soil moisture storage, Total-N, -P, -K of litter, and Available-N, -P, -K in the soil. The soil moisture storage change between rainy and dry seasons was 36.97 mm. The highest Total-N, -P, and -K of litter was 11.00 kg ha-1 y-1 at P3, 1.06 kg ha-1 y-1 at P2, and 4.35 kg ha-1 y-1 at P3, which was inconsistently associated with high soil nutrients. The highest Total-N was 0.40 (0-20 cm), 0.27 (20-40 cm), 0.30% (40-60 cm) at P4, Available-K was 1.69 (0-20 cm), 1.64 (20-40 cm), 1.87 cmol kg-1 (40-60 cm) at P5, and Available-P was 15.21 (0-20 cm), 14.06 (20-40 cm), 12.64 mg kg-1 (40-60 cm) at P1.
ANALISIS KAPASITAS INFILTRASI LAHAN PERTANIAN DI SUB DAS KALISARI, MALANG Nita, Istika; Ayuningtyas, Priska; Prijono, Sugeng; Putra, Aditya Nugraha
Jurnal Tanah dan Sumberdaya Lahan Vol. 11 No. 1 (2024)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2024.011.1.13

Abstract

Watershed hydrological conditions can decrease due to changes in land use and inappropriate land management. One of the watershed functions is providing water availability for agricultural areas. Along with the increasing area of agricultural land, there is often the issue of water availability, which has implications for the low opportunity for plants to use it. Infiltration is the initial process of water entry into the soil, so the availability of water is greatly influenced by this process. Agricultural land in the Kalisari sub-watershed is dry land and is dominated by dry fields. The area of the Kalisari sub-watershed has an area of ±5,000 ha divided into 5 land uses, namely mahogany-coffee agroforestry, pine-coffee agroforestry, scrub, dry land, and paddy fields. Infiltration measurements were spread over 43 measurement points, with the observed parameters being texture, bulk density, porosity, permeability, aggregate stability, and soil organic matter. The infiltration rate for all land uses is very fast (>25 cm hour-1), ranging from 12.00 cm hour-1 to 74.37 cm hour-1. The infiltration rate for all land uses was not significantly different; this was in line with soil properties, which included texture, bulk density (0.61-1.02 g cm-3), porosity (51.02-68.06%), permeability (4.88–6.79 cm hour-1), aggregate stability (2.11–3.34 mm), and organic matter (1.61-4.06%). However, the infiltration rate at the study site had a significant relationship with clay (r = -0.77), sand (r = 0.64), silt (r = 0.52) and soil organic matter   (r = 0.48).
Effects of ZnO-Based Smart Urea Coating on Ammonium Release and Characterization of Soil Ureolytic Bacteria in Loamy Soil Fathia Meidy Nurindriana; M. Wasilul Lutfi; Atiqah Aulia Hanuf; Soemarno Soemarno; Sugeng Prijono
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 1 (2026): February 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i1.322-334

Abstract

The application of ZnO-coated urea is a promising strategy to reduce nitrogen losses and improve zinc availability in soils. This study aimed to evaluate the effects of ZnO-coated urea on soil ammonium concentrations and ureolytic bacterial populations. A completely randomized design was used with five treatments:control (CU), uncoated urea (CU) and ZnO-coated urea at three different coating (bulk ZnO (NCU-Z), ZnO NPs (NCU-ZNP), and  ZnO NPs combined with bentonite NPs (NCU-ZBNP)), each with four replications. Soil samples were incubated on sterile jars under controlled conditions for 8 weeks and used loamy soil as a medium. Ammonium concentrations were measured using the spectrohotometry, while ureolytic bacteria were enumerated using the total plate count (TPC). NCU characterization results revealed inconsistencies in coating thickness, however, it has shown significant results on soil ammonium content and total ureolytic bacteria population. Results on the number of ureolytic bacterial populations showed that NCU-ZNP treatment could reduce the number of bacteria up to 77.8%. The research results also showed that the NCU-ZBNP treatment significantly maintained soil ammonium levels that were 1.76 times higher compared to CU.These findings suggest that ZnO-coated urea can slow nitrogen transformation and potentially improve nitrogen use efficiency while influencing soil microbial communities.
The reliability of Unmanned Aerial Vehicles (UAVs) equipped with multispectral cameras for estimating chlorophyll content, plant height, canopy area, and fruit total number of Lemons (Citrus limon) Al Fanshuri, Buyung; Prayogo, Cahyo; Soemarno, Soemarno; Prijono, Sugeng; Arfarita, Novi
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 2 (2023): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i2.72485

Abstract

Monitoring  lemon production requires appropriate and efficient technology. The use of UAVs can addressed these challenges. The purpose of this study was to determine the best vegetation indices (VIs) for estimating chlorophyll content, plant height (PH), canopy area (CA), and fruit total numberas (FTN). CCM 200 was used as a tool to measure the chlorophyll content index (CCI), the number of fruits was measured by hand-counter, and other variables were recorded in meters. The UAV used was a Phantom 4 with a multispectral camera capable of capturing five different bands. The VIs was obtained via analysis of digital numbers generated by the multispectral camera. Then, the VIs was correlated with the CCI, PH, CA and FTN. VIs tested included the following: the normalized difference vegetation index (NDVI), the normalized difference vegetation index-green (NDVIg), the normalized different index (NDI), green minus red (GMR), simple ratio (SR), the Visible Atmospherically Resistant Index (VARI), normalized difference red edge (NDRE), simple ratio red-edge (SRRE), the simple ratio vegetation index (SRVI), and the Canopy Chlorophyll Content Index (CCCI). The best model for predicting CCI was obtained using the NDVIg (R2=0.8480; RMSE=6.1665 and RRMSE=0.0908). Meanwhile, SR turned out to be the best model for predicting PH (R2=0.8266; RMSE=15.6432 and RRMSE=0.0883), CA (R2=0.6886; RMSE= 0.8826 and RRMSE=0.1907), and FTN (R2=0.6850; RMSE=24.5574 and RRMSE=0.3503). The implication of these results for future activities includes establishing early monitoring and evaluation systems for lemon yield and production. This model was developed and tested in this specific location and under these environmental conditions.
LINKING SOCIAL DRIVERS, WATER QUALITY, AND ECONOMIC VALUE IN FOREST FRAGMENTS SURROUNDING SPRINGS Sugiarto, Michelle Talisia; Putri, Auralia Novriani; Sinaga, Felix Bintara Putra; Prijono, Sugeng; Sari, Rika Ratna; Saputra, Danny Dwi
JTSL (Jurnal Tanah dan Sumberdaya Lahan) Vol. 13 No. 2 (2026)
Publisher : Departemen Tanah, Fakultas Bio-industri Pertanian dan Kehutanan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2026.013.2.8

Abstract

Spring ecosystems in forest fragments provide important environmental services, but their economic value is rarely included in management decisions. Most management efforts focus only on physical protection, while the way visitors value these ecosystems receives little attention. This study aims to estimate the economic value of spring ecosystem services and analyze the factors influencing visitors’ willingness to pay (WTP). This study also examines the relationship between WTP, water quality indicators, and differences in ecological conditions across several categories of forest fragments. Observations were conducted at sixteen spring locations in East Java, Indonesia. These locations represent large and small forest fragments and two management orientations, namely instrumental and relational. Data on the social and psychological characteristics of visitors were combined with several biophysical indicators, including water quality. Principal component analysis (PCA) was applied to analyze these variables, and economic efficiency was evaluated using an adjusted land equivalent ratio (LER). The results show that WTP is more influenced by visit experience, visitor trust in management, and perceived benefit efficiency than by basic demographic characteristics alone. Fragments with an instrumental orientation show higher economic efficiency compared to those with a relational orientation. Meanwhile, water quality in fragments with a relational orientation is much better, as indicated by high DO and TDS levels and greater and more stable discharge values. These findings indicate differences between economic performance and ecological conditions across forest fragment categories. Therefore, integrating social, ecological, and governance dimensions is essential for developing effective conservation strategies for springs in forest fragments.
Co-Authors A Ariffin Adinda Ardana Reswari Aditya Nugraha Putra, Aditya Nugraha Akmaludin Dimas Anggara Al Fanshuri, Buyung Anis Nur Afifah Atiqah Aulia Hanuf Atiqah Aulia Hanuf Awal Maulana Faiz Ayuningtyas, Priska Azurianti Azurianti Beauty Laras Setia Pertiwi buhari umasugi Cahyo Prayogo, Cahyo Desya Wahyu Annisa Didik Suprayogo Dina Ananda Harfia Endah Umu Nur Holisah Fathia Meidy Nurindriana Husni Thamrin Sebayang Ieke Wulan Ayu Ika Lestiana Sari Istika Nita Iva Dewi Lestariningsih M Mashudi M Maswar M. Wasilul Lutfi Moh Harrys Pramudita Moh. Harrys Moh. Teguh Satya Laksmana Ni Made Sri Gitalaxmi Mahasidhi Novi Arfarita Putri, Auralia Novriani Rani Sahfitri Reni Ustiatik Rensy Faradina Hikmawati Retno Suntari Rika Ratna Sari Rizki Puspita Rahmawati S Soemarno S Soemarno sa'diyah, zenny faridatus Salma J Fitra Saputra, Danny Dwi Saputra, Iwan Sarifudin Lathif Sinaga, Felix Bintara Putra Soemarno Soemarno Soemarno Soemarno Soemarno Soemarno Soemarno Srida Mitra Ayu Sugiarto, Michelle Talisia Syafitri Dewi Widyantika Syaifuddin Iskandar Syawaluddin Akbar Wahid Wahid Wahyuni Setyo Lestari Wani Hadi Utomo Witno Witno Wulansari D. Nurrohmah Yazid Abdur Rahman Yulfita Farni Yulia Nuraini Yumna Yumna Zaenal Kusuma Zaenal Kusuma Zaenal Kusuma zenny faridatus sa'diyah