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Achmad Riyanto
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Universitas Brawijaya Jl. Veteran no. 1, Malang 65145
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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 35 Documents
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Search results for , issue "Vol. 10 No. 2 (2023)" : 35 Documents clear
KLASIFIKASI WILAYAH RISIKO BENCANA BANJIR DI KOTA SEMARANG DENGAN PERHITUNGAN INDEKS VEGETASI Adenia Kusuma Dayanthi; Sri Yulianto Joko Prasetyo; Charitas Fibriani
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.29

Abstract

Land use in an area is influenced by population growth and activities. Changes in land use continuously will cause environmental changes that often trigger an increase in natural disasters. In this study, the assessment was carried out using the calculation of the Normalized Difference Vegetation Index (NDVI), Normalized Difference Wetness Index (NDWI) and Soil Adjusted Vegetation Index (SAVI). The data used came from Landsat OLI 8 imagery data from 2020 to 2023. The results of this study showed that in the range of 2020 to 2023 the changes in the three calculations of the vegetation index were not significant. From the data obtained, the classification for calculations in the rainy and dry seasons was the same, the NDVI vegetation index obtained high vegetation, the SAVI vegetation index obtained forested vegetation, and the NDWI vegetation index obtained high wetness. Overall the assessment of the vegetation index obtained good results, and it can be concluded that not all areas in Semarang City are at risk of flooding, even during the rainy season.
PREDIKSI KONVERSI LAHAN PERTANIAN BERBASIS ARTIFICIAL NEURAL NETWORK-CELLULAR AUTOMATA (ANN-CA) DI KAWASAN SLEMAN BARAT Tiara Sarastika; Yusuf Susena; Dwi Kurniawan
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.30

Abstract

Analysis and prediction of land conversion using spatial-temporal data are essential for environmental monitoring and better land use planning and management. The West Sleman area has the potential to experience land use changes due to anthropogenic factors. This study aimed to determine the spatial-temporal dynamics of land use change in 2012-2022 and predict future land use change using the ANN-CA model for 20 years (2022-2042). Analyzed the spatial-temporal dynamics of land use change based on land use data derived from SPOT imagery, then predicted future land use change with the ANN-CA model using the MOLUSCE plugin on QGIS Desktop 2.18.11. The simulation results showed an accuracy of 86.66% and an overall Kappa value of 83% obtained by comparing the actual data in 2022 with the simulated data on land use change in the same year. The irrigated paddy fields decreased by 6.39% (685.22 ha) due to conversion to settlements. The area of residential buildings increased by 4.65% (498.49 ha) during 2012- 2017. Predictions of land use change in 2022-2042 show that the reduction of irrigated paddy fields will continue, and the number of residential buildings tend to increase.
EFEK APLIKASI PUPUK KANDANG KAMBING DAN PUPUK N, P, K TERHADAP SIFAT KIMIA TANAH, SERAPAN P, PERTUMBUHAN DAN PRODUKSI SAWI HIJAU (Brassica juncea L.) DI KECAMATAN TULANGAN, KABUPATEN SIDOARJO Aisyah Hairani Aulia; Retno Suntari
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.33

Abstract

The high demand for mustard greens from consumers in Sidoarjo has forced farmers to increase their production. One of the efforts made is to provide excessive N, P, and K fertilizers. This study aimed to analyze the effect of the combined application of goat manure and N, P, K on growth, yield, P uptake, and soil chemical properties. Six treatments and three replications arranged in a randomized block design. The results showed that the combination of goat manure and N, P, K fertilizer had a significant effect (p<0.05) on plant height, number of leaves, plant fresh weight, total plant P, soil pH, soil organic C, soil total N, soil C/N ratio, and soil total P, but not significantly different (p>0.05) on plant dry weight, P absorption, and available P of the soil. The combination of goat manure and N, P, K fertilizer increased plant height from 36.4 cm to 50 cm (+37.4%), number of leaves from 18 to 43 leaves (+143.8%), fresh weight from 92 g to 310 g (+237%), dry weight from 10.8 g to 14.1 g (+30.6%), total crop P from 1.4% to 1.45% (+3.6%), P uptake from 15.1 g to 20.5 g (+35.2%), organic C from 0.97% to 1.25% (+28, 9%), total N from 0.35% to 0.42% (+20%), C/N ratio from 2.77 to 2.97 (+7.2%), total P from 18.9 mg 100 g-1 to 36.6 mg 100 g-1 (+26.6%), and available P from 4.22 ppm to 6.24 ppm (+49.9%).
SIFAT FISIK TANAH DAN PERTUMBUHAN TANAMAN PADI (Oryza sativa L.) SEBAGAI DAMPAK PENGAPLIKASIAN DEKOMPOSER PADA SISTEM REKOMENDASI PEMUPUKAN BERBASIS CITRA KAMERA MULTISPEKTRAL DI SUKAMANDIJAYA, JAWA BARAT Rizki Puspita Rahmawati; Sugeng Prijono; Syawaluddin Akbar; Yazid Abdur Rahman
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.31

Abstract

Application of balanced fertilizers and the use of decomposers on land can improve soil health and nutrient availability for plants. Giving recommended doses of fertilization through the use of multispectral camera images lead to more efficient fertilization. This study aims to analyze the impact of the application of decomposers on the implementation of a multispectral camera image-based fertilizer recommendation system on soil physical properties, growth, and crop yield. This research was carried out from November 2021 to April 2022 at the experimental field in Sukamandijaya Village, Ciasem District, Subang Regency, West Java. This study was carried out with 2 treatments, namely land without the decomposers (P1) and with the decomposers treatment (P2) on rice fields of the Mekongga variety. The decomposer used was Petro Gladiator with dose 5 liters/ha (480 ml/plot or 56 ml/m²). Data analysis was carried out by unpaired T test at 5% level to determine the effect of decomposer application on soil physical properties as well as growth and crop yield. The results showed that the application of decomposers to fertilizer recommendation systems based on multispectral camera images can improve soil conditions including improvements in soil bulk density, soil particle density, total pore space, soil moisture content pF 1, 2, and 4.2, available pore water, then soil pH, available-P soil contents, potential-K soil content, as well as rice plant height.
SEBARAN KONSENTRASI LOGAM BERAT DI LAHAN PERTANIAN KABUPATEN WONOSOBO Triyani Dewi; Cicik Oktasari Handayani; Anik Hidayah; Sukarjo Sukarjo
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.35

Abstract

The agricultural sector is still the leading sector of the economy in Wonosobo Regency. Its superior commodities include paddy rice, tea, tobacco, coffee, and vegetable plants. In the practice of agricultural activities, it is inseparable from the use of inorganic fertilizers and persistent chemical pesticides that cause heavy metal contamination in agricultural land. Industrial waste around agricultural land that enters the water body also contributes to the accumulation of heavy metals in the soil of the water for irrigation. This study aimed to determine the distribution of heavy metal content of Pb, Cd, Ni, Co, Cr, and As on the agricultural land of Wonosobo Regency. The study was conducted on the agricultural land of Wonosobo Regency. As many as 312 soil samples were taken from a layer of sports (depth of 0-20 cm) of agricultural land in ten sub-districts of Wonosobo Regency. Soil sample analysis included heavy metals Pb, Cd, Ni, Co, Cr, As, organic Carbon, CEC, and soil texture. The analysis was carried out in an integrated laboratory, the Agricultural Environment Research Center. The results showed the concentration of heavy metals detected in Wonosobo Regency agricultural land respectively Pb > Co > Ni > Cr > As > Cd. These heavy metals in the soil are still in normal concentrations and are safe for agricultural land.

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