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Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment)
Published by Institut Pertanian Bogor
ISSN : 14107333     EISSN : 25492853     DOI : -
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Ilmu Tanah dan Lingkungan merupakan media yang menyajikan artikel mengenai hasil penelitian dan telaah perkembangan mutakhir dalam bidang ilmu tanah, air, dan ilmu lingkungan sebagai bahan kajian utama.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tanah
Articles 5 Documents
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Search results for , issue "Vol 25 No 1 (2023): Jurnal Ilmu Tanah dan Lingkungan" : 5 Documents clear
Identifikasi Arthropoda pada Lahan Daun Bawang Endang Sulistyorini; Alfu Laila; Alliva Zahra Jiedny
Jurnal Ilmu Tanah dan Lingkungan Vol 25 No 1 (2023): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.25.1.1-6

Abstract

Agricultural land is one of the factors of biodiversity. Biodiversity (biodiversity) is all types of plants, animals, and microorganisms that exist and interact in an ecosystem that greatly determines the level of agricultural productivity. In general, the soil serves as a place of life, a place of defense, and a source of food for soil organisms. Soil macrofauna can improve the physical, chemical and biological properties of the soil, its presence is influenced by vegetation diversity. The purpose of the study was to identify soil fauna communities active at ground level and their relationship to soil physico-chemical factors on leek fields. This research was carried out on leek land owned by local farmers located in Pinang District, Tangerang City, Banten using the pitfall trap method. Pit fall traps are used to collect soil insects that are above ground level, carried out for 24 hours on leek fields. The results showed that there are 2 classes, namely Insecta and Arachnida and 4 orders, namely Orthoptera, Spodoptera, Arachnida, and Hymmenoptera from the Phylum Arthropoda. The presence of soil arthropods obtained indicates the presence of low diversity based on Shannon's Diversity Index. Ant populations are found predominantly on leek cropland which are a class of Insecta class, order Hymmenoptera of 112. This is because ants act as polyphagous predators, namely having many types of food, so their existence does not only depend on one source of food.
Dampak Perusakan Antropogenik Terhadap Sedimentasi dan Erosi Pada Hutan Lindung Wosi Rendani Di Kabupaten Manokwari Mahmud
Jurnal Ilmu Tanah dan Lingkungan Vol 25 No 1 (2023): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.25.1.30-39

Abstract

Communities who live around the forest in supporting their daily lives cannot be separated from interactions with the forest, including protected forests impact that triggers erosion, sedimentation, flooding and landslides. This study aims to identify the anthropogenic destruction in Protected Forest of Wosi Rendani (PFWR) and its impact on sediment and erosion. The research was conducted through surveys and data analysis by scoring. The head of the KPHL, forest rangers and retired Forestry Service employees were selected in a purposive sampling. The results showed that anthropogenic activities in the PFWR area included forest encroachment, illegal logging, shifting cultivation by burning, soil extraction and C excavation, conversion to built-up areas. Anthropogenic activities have an impact on increasing sediment from high to very high and erosion in the very high category. The increase in sediment and erosion caused by shrinkage and destruction of PFWR is now remaining 26% which if not managed properly will trigger floods and flash floods.
Arahan Pengembangan Kawasan Permukiman di Kota Tanjungpinang Provinsi Kepulauan Riau Citra Chintia Dewi; Andrea Emma Pavitasari; Didit Okta Pribadi
Jurnal Ilmu Tanah dan Lingkungan Vol 25 No 1 (2023): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.25.1.7-18

Abstract

Tanjungpinang City is characterized as a coastal area with dense settlements around the port. Based on BPS data, the rate of population growth in the medium category each year causes the formation of new activity centers that are heading towards the mainland. This study aims to: 1) Analyze the pattern of land use change in Tanjungpinang City in 2010-2020; 2) Analyzing land suitability for settlements; 3) Analyzing the availability of land for settlement development; 4) Predict land use; 5) Prepare directions for settlement development in 2030. Land use change analysis is carried out by using the overlay method on land use maps in 2010, 2015 and 2020. The land suitability of residential land is analyzed using the evaluation method developed by FAO 2007. Land availability is carried out by applying some availability criteria. Land use projections for 2030 are made using the Land Change Modeler found in the Terrset application. Based on the results of the study, it was found that there were 6,300.73 ha of land with appropriate land suitability classes and were available based on several criteria. Based on the results of the study also shows that the 2010-2020 period shows that the largest land use change occurs in residential land, in line with this in the prediction of land use in 2030 the largest increase in area also occurs in residential land use. This causes settlements in 2030 to be the largest land use covering an area of ​​3,453.38 hectares or 23.97% of the total area of ​​Tanjungpinang City. The direction of settlement development until 2030 can be focused on lands that are included in priority categories 1 and 2, to avoid disasters, damage to land and land disputes
Pembuatan Pupuk Kalium Silikat Berbahan Dasar Pasir Kuarsa dari Bangka Arief Hartono; Budi Nugroho; Feabri Kurniawan Edwar
Jurnal Ilmu Tanah dan Lingkungan Vol 25 No 1 (2023): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.25.1.19-24

Abstract

One of the efforts to utilize the potential for quartz sand (SiO2) is through the manufacture of potassium silicate (K2SiO3) fertilizer, by reacting SiO2 in quartz sand with potassium hydroxide (KOH). This study aimed to obtain the optimal temperature in the manufacture of K2SiO3 fertilizer by mixing quartz sand from Bangka with KOH. Furthermore, the study aimed to evaluate the solubility of fertilizer in the soil and its effect on soil pH, exchangeable aluminum (exchangeable Al), exchangeable potassium (exchangeable K), and available silica (Si) through incubation experiment on Ultisol Darmaga. The results showed that the highest K content in the form of potassium oxide (K2O) was at 1000 oCelcius (oC) with a content of 66.9%, while the lowest was at 700 oC with a content of 55.1%. In contrast, the Si content in the form of SiO2 at a temperature of 1000 oC was very low. The highest SiO2 content of K2SiO3 fertilizer at a temperature of 800oC was 35.1%. The most optimal K2SiO3 fertilizer from this study was at a temperature of 800 oC with a content of 60.0% K2O and 35.1% SiO2. The incubation experiment showed that the K2SiO3 with the rate of 2.50% was the most effective rate because it increased the exchangeable K, available Si, soil pH to relatively neutral and also reduced the exchangeable Al.
Kelarutan Nikel Pada Campuran Tanah Berbahan Induk Ultrabasa dengan Gambut pada Kondisi Jenuh dan Tidak Jenuh Air David Ricardo Simbolon; Basuki Sumawinata; Gunawan Djajakirana
Jurnal Ilmu Tanah dan Lingkungan Vol 25 No 1 (2023): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.25.1.25-29

Abstract

Gambut tropik dengan bobot isi yang rendah berdampak pada berkurangnya kemampuan tanah gambut dalam menopang tanaman. Untuk meningkatkan bobot isi gambut maka dilakukan pencampuran tanah mineral dengan tanah gambut. Namun sumber tanah mineral yang dekat ke lahan gambut adalah tanah berbahan induk ultrabasa dengan kandungan logam Nikel (Ni) yang tinggi mencapai 5000 ppm. Karakter lahan gambut yang asam dan berada pada topografi yang rendah menjadi dugaan akan meningkatkan kelarutan Ni saat terjadi banjir. Oleh karena itu pencampuran bahan-bahan tanah dan perlakuan air bertujuan untuk mengukur kelarutan Ni pada kesetimbangan pH setelah pencampuran dan diekstrak menggunakan larutan NH4OAc 1.0 N pH 7.0; 4.8; 4.2, HCl 1.0 N; 0.1 N, dan H2SO4 1.0 N. Kesetimbangan pH setelah pencampuran bahan tanah berada pada pH 5.2 – 6.1 yang berarti kelarutan Ni ditunjukan oleh hasil ekstrak larutan NH4OAc 1.0 N pH 7.0 - 4.8. Pada rentang kesetimbangan pH tersebut nilai kelarutan Ni pada perlakuan penjenuhan (J) dan pengeringan (K) tidak berbeda nyata pada uji taraf 5%. Namun kelarutan Ni pada setiap penambahan bobot gambut berbeda nyata pada kondisi penjenuhan yang dikeringkan sampai kondisi lembab (JK).

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